Technical Support and Questions

Please attempt to thoroughly troubleshoot the problem yourself AND search the forums for solutions before posting!

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What Tablets are Supported?

By Brian Baer

I just bought a Dell Venue 7 tablet to try to run the PhotSynq app. When I try to download the app from the Google Play Store I get the message: Your device isn't compatible with this version. What devices are are supported? Is there a list some place?
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Jun 2016


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Clip sensor dimensions

By Francesco Petruzzellis

Hi, I want to know the dimensions of the sensor in the clip of MultispeQ. Thanks, Francesco
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Jun 2016


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NPQ: qE, qT, qI

By Andriy Herts, Nataliia Herts

NPQ include: qE qT qI. What do you think, how to assess the contribution of each parameter. Is that possible? And how calculate value qP - photochemicalquenching? Thanks!
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May 2016


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How can this spectrometer instrument be used for general purpose gardening?

By John Gilmore

I work at Hamamatsu and we are considering purchasing one of these units as it includes our microspectrometer (C12666MA). We are thinking to use it as a possible demo unit at future tradeshows. But we're not sure how the average laymen will relate? What can an amateur home vegetable gardener gain from these reading?
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Apr 2016


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Data collection

By MISHECK DAVIS CHIRWA

I create an account but then during data collection the software is just indicating Join project. am using a Tab in my data collection.
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Mar 2016


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Time-scale for accurate measurements in chambers

By Saket Navlakha

The last of my current barrage of questions :) We are doing growth experiments in chambers. I assume the most accurate measurements will come if we measure The One (Phi2, PhiNPQ, PhiNO) while the plant is in the chamber. But let's say we remove the plant from the chamber, and then measure these values. How long can we wait before we start to get highly different measuremen... read more
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Mar 2016


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Difference between Phi2, PhiNO, PhiNPQ?

By Saket Navlakha

Hi, I've been looking at the forums and blog and was unable to find the difference between Phi2, PhiNO, PhiNPQ? Can you please help clarify? Thanks.
6
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Mar 2016


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The fate of beta MultispeQ

By Andriy Herts, Nataliia Herts

What is the fate of beta MultispeQ?
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Mar 2016


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Measure cuvette for algae or leaf

By Andriy Herts, Nataliia Herts

As i understand For measure of chlorophyll fluorescence in extract will be use cuvette. This cuvette are analogy cuvette for spectrophotometer? How she will be attached to MultispeC?
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Mar 2016


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External sensor connector

By Andriy Herts, Nataliia Herts

Hi. What kind and type of external sensor, can connect to MultispeQ? How do this? Thanks!
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Mar 2016


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Shipping time for new MultiSpeQ

By Saket Navlakha

Hi, I'm wondering if there's any update on target delivery for the new MultiSpeQ device? Is it still anticipated to be next month? Please let me know. I am trying to plan a future experiment. Thanks.
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Mar 2016


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Leaf thickness availability?

By Saket Navlakha

Hi, does the latest MultiSpeQ device include the leaf thickness functionality? I was testing an old version, and I believe this feature was missing (even though there is a protocol for this). Thanks.
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Mar 2016


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new question:

By Greg Austic

POSTED BY STEPHANIE --> Hi Greg, My name is Stephanie and I just started learning how to use PhotosynQ to collect and analyze data. I made a trial project named Tomato Trials and am currently taking a bunch of measurements just to learn how to use the device and figure out the uncertainty of the measurements. Is there a way to hide select data without having to filter... read more
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Mar 2016


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Show equation of linear model: simple regression.

By Andriy Herts, Nataliia Herts

Hi! In the previous version of the website after used of menu "Analysis" - "Linear" in legend of plot, was shown equation of linear model: simple regression. Now this feature is absent?
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Mar 2016


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Fluorescence decrease ratio (RFd)

By Andriy Herts, Nataliia Herts

It is possible to make, a calculation of fluorescence decrease ratio (RFd) in protocol? Thanks!
5
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Mar 2016


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Difference between protocols - The Ones

By Beatrice Landoni

The One v3.0 (Phi2, NPQt, using Multi-Phase Flash) The One Protocol (Phi2, PSI, NPQ) II What is the exact difference between these two protocols? Should I use version 3 because it is just the last version of "The One" protocol or are there differences that make them suitable for different occasions? Maybe it is a very basic question, but I want to make sure I have grasped... read more
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Feb 2016


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Missing Data

By Veronica Greve

I took measurements yesterday (11/24) for the isolated endophytes project. All of the questions, like plant number, pot id, etc..., are not appearing. Nothing should have been different -no project changes were made between 11/17 and 11/24. The data and measurements are there, just without any identifying information. http://photosynq.org/projects/isolated-endophytes-in-m... read more
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Dec 2015


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The temperature range of work the device

By Andriy Herts, Nataliia Herts

Hi. What is the temperature range for work device? I want to make the study of photosynthesis in winter.
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Nov 2015


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spad III protocols

By RICARDO MELCHIORI

Hy Greg, yesterday we update our multispec (device number 76) to firmware v0.45. We configure a new proyect to perform measurements with the one protocol + SPAD III, and we made some test measurements but spad III does not show data. What could be the problem? If required we could send you a screen capture to show the situation. Another question is that our device only can... read more
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Nov 2015


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question about firmware updating

By Greg Austic

QUESTION (Susana): We are trying to use photosynQ and it have been a long time since we used. The firmeware of our device is v0.37 and now there is available a new one (v0.45), do we need to update it? Or can we use the old version? Can we use the new protocols if we don´t update it? We made all steps from the page but it doesn’t work. We downloaded teensy and the other... read more
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Nov 2015