Testing water flow, turbidity and quality

Hi all

We are just exploring our next phase of recording activity in Guyana. And
one theme is water.

We are at the early stages of planning what to record but it is looking
like a combination of flow, turbidity which can be tested by conventional
low tec mechanisms - but we may also be looking to test quality of water
and look for Alkalinity, Ammonia, Chloride, Chlorine, Chromium, Copper,
Dissolved Oxygen/BOD, Hardness, Iron, Nitrate, pH, Phosphate etc

Question, has anyone any experience in this area, and in particular the
integration/use with ODK collect.

We have found a couple of interesting technologies - one that connects to
the phone

and one that is an independent device

http://www.hachco.ca/product.detail-overview.jsa?id=15684103253

Am keen not to create a different recording system and data/analysis flow
because of this new recording theme - so wondering if anyone is doing this
with ODK.

Thanks in advance

Jon

1 Like

Hi Jon,

I don't have experience using ODK Collect for this, but here is my 2 cents
anyway:

I would personally try not to be dependent on dedicated measuring +
collection equipment, because I imagine there will always be parameters
that you'd like to measure but are not included in the equipment. Using
manual entry in an ODK Collect or Enketo form would seem attractive to me
for this reason (you can using any sensors - including perfectly adequate
manual ones like turbidity tubes - and testing equipment, and e.g. add
sanitary survey questions, but manually record the values in your form with
ODK Collect or Enketo). Of course, it does increase the potential for human
error in reading/entering values which can only partially be addressed with
clever constraints.

In addition, using complex form logic, you could also provide an efficient
on-the-spot analysis of overall water safety/risk in a step-by-step process
(e.g. a different water quality parameters depending on the type of water
source, exclude measuring residual chlorine if the turbidity is high, etc,
and calculating a final result at the end of the form).

Cheers,
Martijn

ยทยทยท On Monday, October 28, 2013 2:55:26 AM UTC-6, Jon Parsons wrote: > > Hi all > > We are just exploring our next phase of recording activity in Guyana. And > one theme is water. > > We are at the early stages of planning what to record but it is looking > like a combination of flow, turbidity which can be tested by conventional > low tec mechanisms - but we may also be looking to test quality of water > and look for Alkalinity, Ammonia, Chloride, Chlorine, Chromium, Copper, > Dissolved Oxygen/BOD, Hardness, Iron, Nitrate, pH, Phosphate etc > > Question, has anyone any experience in this area, and in particular the > integration/use with ODK collect. > > We have found a couple of interesting technologies - one that connects to > the phone > > http://postscapes.com/mobile-water-sensing-mobosens > > and one that is an independent device > > http://www.hachco.ca/product.detail-overview.jsa?id=15684103253 > > Am keen not to create a different recording system and data/analysis flow > because of this new recording theme - so wondering if anyone is doing this > with ODK. > > Thanks in advance > > Jon >

Good stuff Martijn,
One thing we noticed on using the very complex forms, the small 3.5"
screens just does not cut it....

I like your suggestions.

Rox.

ยทยทยท On Tue, Oct 29, 2013 at 10:47 AM, Martijn van de Rijdt wrote:

Hi Jon,

I don't have experience using ODK Collect for this, but here is my 2 cents
anyway:

I would personally try not to be dependent on dedicated measuring +
collection equipment, because I imagine there will always be parameters
that you'd like to measure but are not included in the equipment. Using
manual entry in an ODK Collect or Enketo form would seem attractive to me
for this reason (you can using any sensors - including perfectly adequate
manual ones like turbidity tubes - and testing equipment, and e.g. add
sanitary survey questions, but manually record the values in your form with
ODK Collect or Enketo). Of course, it does increase the potential for human
error in reading/entering values which can only partially be addressed with
clever constraints.

In addition, using complex form logic, you could also provide an efficient
on-the-spot analysis of overall water safety/risk in a step-by-step process
(e.g. a different water quality parameters depending on the type of water
source, exclude measuring residual chlorine if the turbidity is high, etc,
and calculating a final result at the end of the form).

Cheers,
Martijn

On Monday, October 28, 2013 2:55:26 AM UTC-6, Jon Parsons wrote:

Hi all

We are just exploring our next phase of recording activity in Guyana. And
one theme is water.

We are at the early stages of planning what to record but it is looking
like a combination of flow, turbidity which can be tested by conventional
low tec mechanisms - but we may also be looking to test quality of water
and look for Alkalinity, Ammonia, Chloride, Chlorine, Chromium, Copper,
Dissolved Oxygen/BOD, Hardness, Iron, Nitrate, pH, Phosphate etc

Question, has anyone any experience in this area, and in particular the
integration/use with ODK collect.

We have found a couple of interesting technologies - one that connects to
the phone

http://postscapes.com/mobile-**water-sensing-mobosenshttp://postscapes.com/mobile-water-sensing-mobosens

and one that is an independent device

http://www.hachco.ca/product.**detail-overview.jsa?id=**15684103253http://www.hachco.ca/product.detail-overview.jsa?id=15684103253

Am keen not to create a different recording system and data/analysis flow
because of this new recording theme - so wondering if anyone is doing this
with ODK.

Thanks in advance

Jon

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"Like a camera I use the negative to develop..uDig"
"Success is the ability to go from one failure to another with no loss of
enthusiasm"
---------------------------------------------------------------------------------------------------------->
Roxroy K. Bollers
OutSourceRox*
*Geographic Information Systems, IT Professional & Wed Developer
tel. 592.685.2737
.........................................................
Follow Us On
Facebook http://www.facebook.com/OutSourceRox
Google+ https://plus.google.com/114064153117817313312
Web http://twitinternational.com/outsourcerox.htm
Twitter: @drbollers http://www.twitter.com/drbollers

Portfolio:
Tropical Timber http://www.tropicaltimber.com
Adventure Guianas http://www.adventureguianas.com/
Surama Eco-Lodge http://www.suramaecolodge.com/
Forest Connect Guyana http://iwokrama.org/forestconnect/index.htm

Maybe consider using tablets with either ODK Collect or Enketo depending on
your needs (some key differences between them in the table on this
pagehttps://enketo.org/openrosa
).

Good luck,
Martijn

ยทยทยท On Wed, Oct 30, 2013 at 7:45 AM, Roxroy Bollers wrote:

Good stuff Martijn,
One thing we noticed on using the very complex forms, the small 3.5"
screens just does not cut it....

I like your suggestions.

Rox.

On Tue, Oct 29, 2013 at 10:47 AM, Martijn van de Rijdt <martijn@enketo.org wrote:

Hi Jon,

I don't have experience using ODK Collect for this, but here is my 2
cents anyway:

I would personally try not to be dependent on dedicated measuring +
collection equipment, because I imagine there will always be parameters
that you'd like to measure but are not included in the equipment. Using
manual entry in an ODK Collect or Enketo form would seem attractive to me
for this reason (you can using any sensors - including perfectly adequate
manual ones like turbidity tubes - and testing equipment, and e.g. add
sanitary survey questions, but manually record the values in your form with
ODK Collect or Enketo). Of course, it does increase the potential for human
error in reading/entering values which can only partially be addressed with
clever constraints.

In addition, using complex form logic, you could also provide an
efficient on-the-spot analysis of overall water safety/risk in a
step-by-step process (e.g. a different water quality parameters depending
on the type of water source, exclude measuring residual chlorine if the
turbidity is high, etc, and calculating a final result at the end of the
form).

Cheers,
Martijn

On Monday, October 28, 2013 2:55:26 AM UTC-6, Jon Parsons wrote:

Hi all

We are just exploring our next phase of recording activity in Guyana.
And one theme is water.

We are at the early stages of planning what to record but it is looking
like a combination of flow, turbidity which can be tested by conventional
low tec mechanisms - but we may also be looking to test quality of water
and look for Alkalinity, Ammonia, Chloride, Chlorine, Chromium, Copper,
Dissolved Oxygen/BOD, Hardness, Iron, Nitrate, pH, Phosphate etc

Question, has anyone any experience in this area, and in particular the
integration/use with ODK collect.

We have found a couple of interesting technologies - one that connects
to the phone

http://postscapes.com/mobile-**water-sensing-mobosenshttp://postscapes.com/mobile-water-sensing-mobosens

and one that is an independent device

http://www.hachco.ca/product.**detail-overview.jsa?id=**15684103253http://www.hachco.ca/product.detail-overview.jsa?id=15684103253

Am keen not to create a different recording system and data/analysis
flow because of this new recording theme - so wondering if anyone is doing
this with ODK.

Thanks in advance

Jon

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"Like a camera I use the negative to develop..uDig"
"Success is the ability to go from one failure to another with no loss of
enthusiasm"

---------------------------------------------------------------------------------------------------------->
Roxroy K. Bollers
OutSourceRox*
*Geographic Information Systems, IT Professional & Wed Developer
tel. 592.685.2737
.........................................................
Follow Us On
Facebook http://www.facebook.com/OutSourceRox
Google+ https://plus.google.com/114064153117817313312
Web http://twitinternational.com/outsourcerox.htm
Twitter: @drbollers http://www.twitter.com/drbollers

Portfolio:
Tropical Timber http://www.tropicaltimber.com
Adventure Guianas http://www.adventureguianas.com/
Surama Eco-Lodge http://www.suramaecolodge.com/
Forest Connect Guyana http://iwokrama.org/forestconnect/index.htm

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GitHub https://github.com/MartijnR

Hey Martijn,
That was very informative. As I will be starting a new project which will
be focusing on data collecting using mobile device, so these ideas are
good. One question I do have for the enketo - is it possible for that to
work in a NON CLOUD environment?

The area where project will be establish would not have internet, neither
mobile data service so as much as I want to use mobile handsets to aid in
data collection, I need to be able to get the data off the phone and into
my mapping prog.

Rox.

ยทยทยท On Wed, Oct 30, 2013 at 11:35 AM, Martijn van de Rijdt wrote:

Maybe consider using tablets with either ODK Collect or Enketo depending
on your needs (some key differences between them in the table on this pagehttps://enketo.org/openrosa
).

Good luck,
Martijn

On Wed, Oct 30, 2013 at 7:45 AM, Roxroy Bollers rkbollers@gmail.comwrote:

Good stuff Martijn,
One thing we noticed on using the very complex forms, the small 3.5"
screens just does not cut it....

I like your suggestions.

Rox.

On Tue, Oct 29, 2013 at 10:47 AM, Martijn van de Rijdt < martijn@enketo.org> wrote:

Hi Jon,

I don't have experience using ODK Collect for this, but here is my 2
cents anyway:

I would personally try not to be dependent on dedicated measuring +
collection equipment, because I imagine there will always be parameters
that you'd like to measure but are not included in the equipment. Using
manual entry in an ODK Collect or Enketo form would seem attractive to me
for this reason (you can using any sensors - including perfectly adequate
manual ones like turbidity tubes - and testing equipment, and e.g. add
sanitary survey questions, but manually record the values in your form with
ODK Collect or Enketo). Of course, it does increase the potential for human
error in reading/entering values which can only partially be addressed with
clever constraints.

In addition, using complex form logic, you could also provide an
efficient on-the-spot analysis of overall water safety/risk in a
step-by-step process (e.g. a different water quality parameters depending
on the type of water source, exclude measuring residual chlorine if the
turbidity is high, etc, and calculating a final result at the end of the
form).

Cheers,
Martijn

On Monday, October 28, 2013 2:55:26 AM UTC-6, Jon Parsons wrote:

Hi all

We are just exploring our next phase of recording activity in Guyana.
And one theme is water.

We are at the early stages of planning what to record but it is looking
like a combination of flow, turbidity which can be tested by conventional
low tec mechanisms - but we may also be looking to test quality of water
and look for Alkalinity, Ammonia, Chloride, Chlorine, Chromium, Copper,
Dissolved Oxygen/BOD, Hardness, Iron, Nitrate, pH, Phosphate etc

Question, has anyone any experience in this area, and in particular the
integration/use with ODK collect.

We have found a couple of interesting technologies - one that connects
to the phone

http://postscapes.com/mobile-**water-sensing-mobosenshttp://postscapes.com/mobile-water-sensing-mobosens

and one that is an independent device

http://www.hachco.ca/product.**detail-overview.jsa?id=**15684103253http://www.hachco.ca/product.detail-overview.jsa?id=15684103253

Am keen not to create a different recording system and data/analysis
flow because of this new recording theme - so wondering if anyone is doing
this with ODK.

Thanks in advance

Jon

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"Like a camera I use the negative to develop..uDig"
"Success is the ability to go from one failure to another with no loss of
enthusiasm"

---------------------------------------------------------------------------------------------------------->
Roxroy K. Bollers
OutSourceRox*
*Geographic Information Systems, IT Professional & Wed Developer
tel. 592.685.2737
.........................................................
Follow Us On
Facebook http://www.facebook.com/OutSourceRox
Google+ https://plus.google.com/114064153117817313312
Web http://twitinternational.com/outsourcerox.htm
Twitter: @drbollers http://www.twitter.com/drbollers

Portfolio:
Tropical Timber http://www.tropicaltimber.com
Adventure Guianas http://www.adventureguianas.com/
Surama Eco-Lodge http://www.suramaecolodge.com/
Forest Connect Guyana http://iwokrama.org/forestconnect/index.htm

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GitHub https://github.com/MartijnR

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"Like a camera I use the negative to develop..uDig"
"Success is the ability to go from one failure to another with no loss of
enthusiasm"
---------------------------------------------------------------------------------------------------------->
Roxroy K. Bollers
OutSourceRox*
*Geographic Information Systems, IT Professional & Wed Developer
tel. 592.685.2737
.........................................................
Follow Us On
Facebook http://www.facebook.com/OutSourceRox
Google+ https://plus.google.com/114064153117817313312
Web http://twitinternational.com/outsourcerox.htm
Twitter: @drbollers http://www.twitter.com/drbollers

Portfolio:
Tropical Timber http://www.tropicaltimber.com
Adventure Guianas http://www.adventureguianas.com/
Surama Eco-Lodge http://www.suramaecolodge.com/
Forest Connect Guyana http://iwokrama.org/forestconnect/index.htm

Hi Rox,

Enketo requires a compatible data/form server in the cloud, such as an
installation of ODK Aggregate or Formhub.

Enketo itself (the data collection web app) requires an occasional Internet
connection to:

  • 'install' the application,
  • keep it up to date and,
  • upload locally saved records.

'Installing' simply means opening the form in your mobile browser and
waiting a few seconds until you see the red icon in the top left. You could
e.g. do this via a internet-connected wifi network in the office/tent/car.
After that you can go into the field and collect data. You will be able to
open the form without an internet connection and save data persistently in
the browser. You'll see the amount of records queued in the top right of
the form. When data collection is finished, the device can be returned to
the office/tent/car (with the Internet-connected wifi network). Opening the
form when connected will automatically start uploading the data (to your
installation of ODK Aggregate or Formhub).

So it's a web app designed for contexts with poor and intermittent Internet
Connectivity but it requires Internet access occasionally.

Cheers,
Martijn

ยทยทยท On Wed, Oct 30, 2013 at 2:49 PM, Roxroy Bollers wrote:

Hey Martijn,
That was very informative. As I will be starting a new project which will
be focusing on data collecting using mobile device, so these ideas are
good. One question I do have for the enketo - is it possible for that to
work in a NON CLOUD environment?

The area where project will be establish would not have internet, neither
mobile data service so as much as I want to use mobile handsets to aid in
data collection, I need to be able to get the data off the phone and into
my mapping prog.

Rox.

On Wed, Oct 30, 2013 at 11:35 AM, Martijn van de Rijdt <martijn@enketo.org wrote:

Maybe consider using tablets with either ODK Collect or Enketo depending
on your needs (some key differences between them in the table on this
page https://enketo.org/openrosa).

Good luck,
Martijn

On Wed, Oct 30, 2013 at 7:45 AM, Roxroy Bollers rkbollers@gmail.comwrote:

Good stuff Martijn,
One thing we noticed on using the very complex forms, the small 3.5"
screens just does not cut it....

I like your suggestions.

Rox.

On Tue, Oct 29, 2013 at 10:47 AM, Martijn van de Rijdt < martijn@enketo.org> wrote:

Hi Jon,

I don't have experience using ODK Collect for this, but here is my 2
cents anyway:

I would personally try not to be dependent on dedicated measuring +
collection equipment, because I imagine there will always be parameters
that you'd like to measure but are not included in the equipment. Using
manual entry in an ODK Collect or Enketo form would seem attractive to me
for this reason (you can using any sensors - including perfectly adequate
manual ones like turbidity tubes - and testing equipment, and e.g. add
sanitary survey questions, but manually record the values in your form with
ODK Collect or Enketo). Of course, it does increase the potential for human
error in reading/entering values which can only partially be addressed with
clever constraints.

In addition, using complex form logic, you could also provide an
efficient on-the-spot analysis of overall water safety/risk in a
step-by-step process (e.g. a different water quality parameters depending
on the type of water source, exclude measuring residual chlorine if the
turbidity is high, etc, and calculating a final result at the end of the
form).

Cheers,
Martijn

On Monday, October 28, 2013 2:55:26 AM UTC-6, Jon Parsons wrote:

Hi all

We are just exploring our next phase of recording activity in Guyana.
And one theme is water.

We are at the early stages of planning what to record but it is
looking like a combination of flow, turbidity which can be tested by
conventional low tec mechanisms - but we may also be looking to test
quality of water and look for Alkalinity, Ammonia, Chloride, Chlorine,
Chromium, Copper, Dissolved Oxygen/BOD, Hardness, Iron, Nitrate, pH,
Phosphate etc

Question, has anyone any experience in this area, and in particular
the integration/use with ODK collect.

We have found a couple of interesting technologies - one that connects
to the phone

http://postscapes.com/mobile-**water-sensing-mobosenshttp://postscapes.com/mobile-water-sensing-mobosens

and one that is an independent device

http://www.hachco.ca/product.**detail-overview.jsa?id=**15684103253http://www.hachco.ca/product.detail-overview.jsa?id=15684103253

Am keen not to create a different recording system and data/analysis
flow because of this new recording theme - so wondering if anyone is doing
this with ODK.

Thanks in advance

Jon

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"Like a camera I use the negative to develop..uDig"
"Success is the ability to go from one failure to another with no loss
of enthusiasm"

---------------------------------------------------------------------------------------------------------->
Roxroy K. Bollers
OutSourceRox*
*Geographic Information Systems, IT Professional & Wed Developer
tel. 592.685.2737
.........................................................
Follow Us On
Facebook http://www.facebook.com/OutSourceRox
Google+ https://plus.google.com/114064153117817313312
Web http://twitinternational.com/outsourcerox.htm
Twitter: @drbollers http://www.twitter.com/drbollers

Portfolio:
Tropical Timber http://www.tropicaltimber.com
Adventure Guianas http://www.adventureguianas.com/
Surama Eco-Lodge http://www.suramaecolodge.com/
Forest Connect Guyana http://iwokrama.org/forestconnect/index.htm

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GitHub https://github.com/MartijnR

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"Like a camera I use the negative to develop..uDig"
"Success is the ability to go from one failure to another with no loss of
enthusiasm"

---------------------------------------------------------------------------------------------------------->
Roxroy K. Bollers
OutSourceRox*
*Geographic Information Systems, IT Professional & Wed Developer
tel. 592.685.2737
.........................................................
Follow Us On
Facebook http://www.facebook.com/OutSourceRox
Google+ https://plus.google.com/114064153117817313312
Web http://twitinternational.com/outsourcerox.htm
Twitter: @drbollers http://www.twitter.com/drbollers

Portfolio:
Tropical Timber http://www.tropicaltimber.com
Adventure Guianas http://www.adventureguianas.com/
Surama Eco-Lodge http://www.suramaecolodge.com/
Forest Connect Guyana http://iwokrama.org/forestconnect/index.htm

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GitHub https://github.com/MartijnR

Hi Martin,

Great software I really like it. You can also use Enketo from a Smap
Server now. Just select the "Web Forms" menu option.

regards

Neil

ยทยทยท On Thu, Oct 31, 2013 at 8:41 AM, Martijn van de Rijdt wrote:

Hi Rox,

Enketo requires a compatible data/form server in the cloud, such as an
installation of ODK Aggregate or Formhub.

Enketo itself (the data collection web app) requires an occasional
Internet connection to:

  • 'install' the application,
  • keep it up to date and,
  • upload locally saved records.

'Installing' simply means opening the form in your mobile browser and
waiting a few seconds until you see the red icon in the top left. You could
e.g. do this via a internet-connected wifi network in the office/tent/car.
After that you can go into the field and collect data. You will be able to
open the form without an internet connection and save data persistently in
the browser. You'll see the amount of records queued in the top right of
the form. When data collection is finished, the device can be returned to
the office/tent/car (with the Internet-connected wifi network). Opening the
form when connected will automatically start uploading the data (to your
installation of ODK Aggregate or Formhub).

So it's a web app designed for contexts with poor and intermittent
Internet Connectivity but it requires Internet access occasionally.

Cheers,
Martijn

On Wed, Oct 30, 2013 at 2:49 PM, Roxroy Bollers rkbollers@gmail.comwrote:

Hey Martijn,
That was very informative. As I will be starting a new project which will
be focusing on data collecting using mobile device, so these ideas are
good. One question I do have for the enketo - is it possible for that to
work in a NON CLOUD environment?

The area where project will be establish would not have internet, neither
mobile data service so as much as I want to use mobile handsets to aid in
data collection, I need to be able to get the data off the phone and into
my mapping prog.

Rox.

On Wed, Oct 30, 2013 at 11:35 AM, Martijn van de Rijdt < martijn@enketo.org> wrote:

Maybe consider using tablets with either ODK Collect or Enketo depending
on your needs (some key differences between them in the table on this
page https://enketo.org/openrosa).

Good luck,
Martijn

On Wed, Oct 30, 2013 at 7:45 AM, Roxroy Bollers rkbollers@gmail.comwrote:

Good stuff Martijn,
One thing we noticed on using the very complex forms, the small 3.5"
screens just does not cut it....

I like your suggestions.

Rox.

On Tue, Oct 29, 2013 at 10:47 AM, Martijn van de Rijdt < martijn@enketo.org> wrote:

Hi Jon,

I don't have experience using ODK Collect for this, but here is my 2
cents anyway:

I would personally try not to be dependent on dedicated measuring +
collection equipment, because I imagine there will always be parameters
that you'd like to measure but are not included in the equipment. Using
manual entry in an ODK Collect or Enketo form would seem attractive to me
for this reason (you can using any sensors - including perfectly adequate
manual ones like turbidity tubes - and testing equipment, and e.g. add
sanitary survey questions, but manually record the values in your form with
ODK Collect or Enketo). Of course, it does increase the potential for human
error in reading/entering values which can only partially be addressed with
clever constraints.

In addition, using complex form logic, you could also provide an
efficient on-the-spot analysis of overall water safety/risk in a
step-by-step process (e.g. a different water quality parameters depending
on the type of water source, exclude measuring residual chlorine if the
turbidity is high, etc, and calculating a final result at the end of the
form).

Cheers,
Martijn

On Monday, October 28, 2013 2:55:26 AM UTC-6, Jon Parsons wrote:

Hi all

We are just exploring our next phase of recording activity in Guyana.
And one theme is water.

We are at the early stages of planning what to record but it is
looking like a combination of flow, turbidity which can be tested by
conventional low tec mechanisms - but we may also be looking to test
quality of water and look for Alkalinity, Ammonia, Chloride, Chlorine,
Chromium, Copper, Dissolved Oxygen/BOD, Hardness, Iron, Nitrate, pH,
Phosphate etc

Question, has anyone any experience in this area, and in particular
the integration/use with ODK collect.

We have found a couple of interesting technologies - one that
connects to the phone

http://postscapes.com/mobile-**water-sensing-mobosenshttp://postscapes.com/mobile-water-sensing-mobosens

and one that is an independent device

http://www.hachco.ca/product.**detail-overview.jsa?id=**15684103253http://www.hachco.ca/product.detail-overview.jsa?id=15684103253

Am keen not to create a different recording system and data/analysis
flow because of this new recording theme - so wondering if anyone is doing
this with ODK.

Thanks in advance

Jon

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of enthusiasm"

---------------------------------------------------------------------------------------------------------->
Roxroy K. Bollers
OutSourceRox*
*Geographic Information Systems, IT Professional & Wed Developer
tel. 592.685.2737
.........................................................
Follow Us On
Facebook http://www.facebook.com/OutSourceRox
Google+ https://plus.google.com/114064153117817313312
Web http://twitinternational.com/outsourcerox.htm
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Portfolio:
Tropical Timber http://www.tropicaltimber.com
Adventure Guianas http://www.adventureguianas.com/
Surama Eco-Lodge http://www.suramaecolodge.com/
Forest Connect Guyana http://iwokrama.org/forestconnect/index.htm

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"Like a camera I use the negative to develop..uDig"
"Success is the ability to go from one failure to another with no loss of
enthusiasm"

---------------------------------------------------------------------------------------------------------->
Roxroy K. Bollers
OutSourceRox*
*Geographic Information Systems, IT Professional & Wed Developer
tel. 592.685.2737
.........................................................
Follow Us On
Facebook http://www.facebook.com/OutSourceRox
Google+ https://plus.google.com/114064153117817313312
Web http://twitinternational.com/outsourcerox.htm
Twitter: @drbollers http://www.twitter.com/drbollers

Portfolio:
Tropical Timber http://www.tropicaltimber.com
Adventure Guianas http://www.adventureguianas.com/
Surama Eco-Lodge http://www.suramaecolodge.com/
Forest Connect Guyana http://iwokrama.org/forestconnect/index.htm

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Application Developer - neilpenman@gmail.com minqiang.huang@gmail.com
Twitter: @dgmsot
Skype: ianaf4you
Phone: +61 402 975 959
Blog: http://blog.smap.com.au http://smap.com.au/blog

1 Like

Thanks Neil,

I will be expecting code contributions for the new
enketo-corehttps://github.com/MartijnR/enketo-corewhen it is stable
in 1 or 2 weeks! :wink:

Cheers,

ยทยทยท On Wed, Oct 30, 2013 at 4:50 PM, Neil Penman wrote:

Hi Martin,

Great software I really like it. You can also use Enketo from a Smap
Server now. Just select the "Web Forms" menu option.

regards

Neil

On Thu, Oct 31, 2013 at 8:41 AM, Martijn van de Rijdt martijn@enketo.orgwrote:

Hi Rox,

Enketo requires a compatible data/form server in the cloud, such as an
installation of ODK Aggregate or Formhub.

Enketo itself (the data collection web app) requires an occasional
Internet connection to:

  • 'install' the application,
  • keep it up to date and,
  • upload locally saved records.

'Installing' simply means opening the form in your mobile browser and
waiting a few seconds until you see the red icon in the top left. You could
e.g. do this via a internet-connected wifi network in the office/tent/car.
After that you can go into the field and collect data. You will be able to
open the form without an internet connection and save data persistently in
the browser. You'll see the amount of records queued in the top right of
the form. When data collection is finished, the device can be returned to
the office/tent/car (with the Internet-connected wifi network). Opening the
form when connected will automatically start uploading the data (to your
installation of ODK Aggregate or Formhub).

So it's a web app designed for contexts with poor and intermittent
Internet Connectivity but it requires Internet access occasionally.

Cheers,
Martijn

On Wed, Oct 30, 2013 at 2:49 PM, Roxroy Bollers rkbollers@gmail.comwrote:

Hey Martijn,
That was very informative. As I will be starting a new project which
will be focusing on data collecting using mobile device, so these ideas are
good. One question I do have for the enketo - is it possible for that to
work in a NON CLOUD environment?

The area where project will be establish would not have internet,
neither mobile data service so as much as I want to use mobile handsets to
aid in data collection, I need to be able to get the data off the phone and
into my mapping prog.

Rox.

On Wed, Oct 30, 2013 at 11:35 AM, Martijn van de Rijdt < martijn@enketo.org> wrote:

Maybe consider using tablets with either ODK Collect or Enketo
depending on your needs (some key differences between them in the table onthis pagehttps://enketo.org/openrosa
).

Good luck,
Martijn

On Wed, Oct 30, 2013 at 7:45 AM, Roxroy Bollers rkbollers@gmail.comwrote:

Good stuff Martijn,
One thing we noticed on using the very complex forms, the small 3.5"
screens just does not cut it....

I like your suggestions.

Rox.

On Tue, Oct 29, 2013 at 10:47 AM, Martijn van de Rijdt < martijn@enketo.org> wrote:

Hi Jon,

I don't have experience using ODK Collect for this, but here is my 2
cents anyway:

I would personally try not to be dependent on dedicated measuring +
collection equipment, because I imagine there will always be parameters
that you'd like to measure but are not included in the equipment. Using
manual entry in an ODK Collect or Enketo form would seem attractive to me
for this reason (you can using any sensors - including perfectly adequate
manual ones like turbidity tubes - and testing equipment, and e.g. add
sanitary survey questions, but manually record the values in your form with
ODK Collect or Enketo). Of course, it does increase the potential for human
error in reading/entering values which can only partially be addressed with
clever constraints.

In addition, using complex form logic, you could also provide an
efficient on-the-spot analysis of overall water safety/risk in a
step-by-step process (e.g. a different water quality parameters depending
on the type of water source, exclude measuring residual chlorine if the
turbidity is high, etc, and calculating a final result at the end of the
form).

Cheers,
Martijn

On Monday, October 28, 2013 2:55:26 AM UTC-6, Jon Parsons wrote:

Hi all

We are just exploring our next phase of recording activity in
Guyana. And one theme is water.

We are at the early stages of planning what to record but it is
looking like a combination of flow, turbidity which can be tested by
conventional low tec mechanisms - but we may also be looking to test
quality of water and look for Alkalinity, Ammonia, Chloride, Chlorine,
Chromium, Copper, Dissolved Oxygen/BOD, Hardness, Iron, Nitrate, pH,
Phosphate etc

Question, has anyone any experience in this area, and in particular
the integration/use with ODK collect.

We have found a couple of interesting technologies - one that
connects to the phone

http://postscapes.com/mobile-**water-sensing-mobosenshttp://postscapes.com/mobile-water-sensing-mobosens

and one that is an independent device

http://www.hachco.ca/product.**detail-overview.jsa?id=**15684103253http://www.hachco.ca/product.detail-overview.jsa?id=15684103253

Am keen not to create a different recording system and data/analysis
flow because of this new recording theme - so wondering if anyone is doing
this with ODK.

Thanks in advance

Jon

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"Like a camera I use the negative to develop..uDig"
"Success is the ability to go from one failure to another with no loss
of enthusiasm"

---------------------------------------------------------------------------------------------------------->
Roxroy K. Bollers
OutSourceRox*
*Geographic Information Systems, IT Professional & Wed Developer
tel. 592.685.2737
.........................................................
Follow Us On
Facebook http://www.facebook.com/OutSourceRox
Google+ https://plus.google.com/114064153117817313312
Web http://twitinternational.com/outsourcerox.htm
Twitter: @drbollers http://www.twitter.com/drbollers

Portfolio:
Tropical Timber http://www.tropicaltimber.com
Adventure Guianas http://www.adventureguianas.com/
Surama Eco-Lodge http://www.suramaecolodge.com/
Forest Connect Guyana http://iwokrama.org/forestconnect/index.htm

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GitHub https://github.com/MartijnR

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"Like a camera I use the negative to develop..uDig"
"Success is the ability to go from one failure to another with no loss
of enthusiasm"

---------------------------------------------------------------------------------------------------------->
Roxroy K. Bollers
OutSourceRox*
*Geographic Information Systems, IT Professional & Wed Developer
tel. 592.685.2737
.........................................................
Follow Us On
Facebook http://www.facebook.com/OutSourceRox
Google+ https://plus.google.com/114064153117817313312
Web http://twitinternational.com/outsourcerox.htm
Twitter: @drbollers http://www.twitter.com/drbollers

Portfolio:
Tropical Timber http://www.tropicaltimber.com
Adventure Guianas http://www.adventureguianas.com/
Surama Eco-Lodge http://www.suramaecolodge.com/
Forest Connect Guyana http://iwokrama.org/forestconnect/index.htm

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Application Developer - neilpenman@gmail.com minqiang.huang@gmail.com
Twitter: @dgmsot
Skype: ianaf4you
Phone: +61 402 975 959
Blog: http://blog.smap.com.au http://smap.com.au/blog

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Hi Martin,

I have passed this email onto the students from RMIT who added Enketo to
the Smap server. Hopefully they will have time soon to work on some new
features.

regards

Neil

ยทยทยท On Thu, Oct 31, 2013 at 11:04 AM, Martijn van de Rijdt wrote:

Thanks Neil,

I will be expecting code contributions for the new enketo-corehttps://github.com/MartijnR/enketo-corewhen it is stable in 1 or 2 weeks! :wink:

Cheers,

On Wed, Oct 30, 2013 at 4:50 PM, Neil Penman neilpenman@gmail.com wrote:

Hi Martin,

Great software I really like it. You can also use Enketo from a Smap
Server now. Just select the "Web Forms" menu option.

regards

Neil

On Thu, Oct 31, 2013 at 8:41 AM, Martijn van de Rijdt <martijn@enketo.org wrote:

Hi Rox,

Enketo requires a compatible data/form server in the cloud, such as an
installation of ODK Aggregate or Formhub.

Enketo itself (the data collection web app) requires an occasional
Internet connection to:

  • 'install' the application,
  • keep it up to date and,
  • upload locally saved records.

'Installing' simply means opening the form in your mobile browser and
waiting a few seconds until you see the red icon in the top left. You could
e.g. do this via a internet-connected wifi network in the office/tent/car.
After that you can go into the field and collect data. You will be able to
open the form without an internet connection and save data persistently in
the browser. You'll see the amount of records queued in the top right of
the form. When data collection is finished, the device can be returned to
the office/tent/car (with the Internet-connected wifi network). Opening the
form when connected will automatically start uploading the data (to your
installation of ODK Aggregate or Formhub).

So it's a web app designed for contexts with poor and intermittent
Internet Connectivity but it requires Internet access occasionally.

Cheers,
Martijn

On Wed, Oct 30, 2013 at 2:49 PM, Roxroy Bollers rkbollers@gmail.comwrote:

Hey Martijn,
That was very informative. As I will be starting a new project which
will be focusing on data collecting using mobile device, so these ideas are
good. One question I do have for the enketo - is it possible for that to
work in a NON CLOUD environment?

The area where project will be establish would not have internet,
neither mobile data service so as much as I want to use mobile handsets to
aid in data collection, I need to be able to get the data off the phone and
into my mapping prog.

Rox.

On Wed, Oct 30, 2013 at 11:35 AM, Martijn van de Rijdt < martijn@enketo.org> wrote:

Maybe consider using tablets with either ODK Collect or Enketo
depending on your needs (some key differences between them in the table onthis pagehttps://enketo.org/openrosa
).

Good luck,
Martijn

On Wed, Oct 30, 2013 at 7:45 AM, Roxroy Bollers rkbollers@gmail.comwrote:

Good stuff Martijn,
One thing we noticed on using the very complex forms, the small 3.5"
screens just does not cut it....

I like your suggestions.

Rox.

On Tue, Oct 29, 2013 at 10:47 AM, Martijn van de Rijdt < martijn@enketo.org> wrote:

Hi Jon,

I don't have experience using ODK Collect for this, but here is my 2
cents anyway:

I would personally try not to be dependent on dedicated measuring +
collection equipment, because I imagine there will always be parameters
that you'd like to measure but are not included in the equipment. Using
manual entry in an ODK Collect or Enketo form would seem attractive to me
for this reason (you can using any sensors - including perfectly adequate
manual ones like turbidity tubes - and testing equipment, and e.g. add
sanitary survey questions, but manually record the values in your form with
ODK Collect or Enketo). Of course, it does increase the potential for human
error in reading/entering values which can only partially be addressed with
clever constraints.

In addition, using complex form logic, you could also provide an
efficient on-the-spot analysis of overall water safety/risk in a
step-by-step process (e.g. a different water quality parameters depending
on the type of water source, exclude measuring residual chlorine if the
turbidity is high, etc, and calculating a final result at the end of the
form).

Cheers,
Martijn

On Monday, October 28, 2013 2:55:26 AM UTC-6, Jon Parsons wrote:

Hi all

We are just exploring our next phase of recording activity in
Guyana. And one theme is water.

We are at the early stages of planning what to record but it is
looking like a combination of flow, turbidity which can be tested by
conventional low tec mechanisms - but we may also be looking to test
quality of water and look for Alkalinity, Ammonia, Chloride, Chlorine,
Chromium, Copper, Dissolved Oxygen/BOD, Hardness, Iron, Nitrate, pH,
Phosphate etc

Question, has anyone any experience in this area, and in particular
the integration/use with ODK collect.

We have found a couple of interesting technologies - one that
connects to the phone

http://postscapes.com/mobile-**water-sensing-mobosenshttp://postscapes.com/mobile-water-sensing-mobosens

and one that is an independent device

http://www.hachco.ca/product.**detail-overview.jsa?id=**15684103253http://www.hachco.ca/product.detail-overview.jsa?id=15684103253

Am keen not to create a different recording system and
data/analysis flow because of this new recording theme - so wondering if
anyone is doing this with ODK.

Thanks in advance

Jon

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"Like a camera I use the negative to develop..uDig"
"Success is the ability to go from one failure to another with no
loss of enthusiasm"

---------------------------------------------------------------------------------------------------------->
Roxroy K. Bollers
OutSourceRox*
*Geographic Information Systems, IT Professional & Wed Developer
tel. 592.685.2737
.........................................................
Follow Us On
Facebook http://www.facebook.com/OutSourceRox
Google+ https://plus.google.com/114064153117817313312
Web http://twitinternational.com/outsourcerox.htm
Twitter: @drbollers http://www.twitter.com/drbollers

Portfolio:
Tropical Timber http://www.tropicaltimber.com
Adventure Guianas http://www.adventureguianas.com/
Surama Eco-Lodge http://www.suramaecolodge.com/
Forest Connect Guyana http://iwokrama.org/forestconnect/index.htm

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GitHub https://github.com/MartijnR

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"Like a camera I use the negative to develop..uDig"
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