Technical Support and Questions

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

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Difference between NPQt and phiNPQ?

By David Suchoff

What exactly is the difference between these two parameters? Furthermore, in the One protocol I'm giving three SPAD related vales: PQ SPAD, PQ SPAD1, PQ SPAD2, and PQ SPAD 3 - what is the difference? Thanks!
2
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Aug 2016


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Light induction curve?

By Yoshihiro Suzuki

Can we get a light induction curve with a leaf of higher plant with MultispeQ? We have to learn a principle of the data of photosynQ. For these purpose we have to write some scripts?
0
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Aug 2016


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Question to set PAR

By Nathan G. Swenson

Hi, is there a way to set a question where the user can type in a PAR value to use?
9
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Sep 2016


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Determinat of Some Carotenoids

By Andriy Herts, Nataliia Herts

Hi. I saw protocol for measurement anthocyanins (only V1.0). 510-540 nm have absorption maxima most natural anthocyanins. The absorption spectra of carotenoids have an intense band at 400-500 nm. I know that Carotenoids (zeaxanthin (480 nm), violaxanthin (490)) provide non-photochemical quenching etc. How do you think. Is it possible to create a protocol for their deter... read more
8
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Aug 2016


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PhotosynQ - ChromeApp (help menu)

By Andriy Herts, Nataliia Herts

Hi. Where can i find of "Working with PhotosynQ and MultispeQ" in PhotosynQ ChromeApp menu (help menu). In previos version this was. Thanks.
3
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Aug 2016


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Short answer questions crash app

By Daniel Kane

Hi there, Trying to add short answer questions to my project. They show up fine on the app but when I try to make an entry the app crashes. Any thoughts? Sent crash report too.
2
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Jul 2016


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External power supply

By Andriy Herts, Nataliia Herts

Hi! What kind of external power supply can I use through usb? Can I use powerbank? INPUT :100-240V, 50-60Hz --- ??? OUTPUT: 5V, 2A --- ??? Thanks!
1
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Jul 2016


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any news about shipping date?

By Itay cohen

the blog want updated for long
1
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Jul 2016


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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
3
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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.
1
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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.
1
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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.
4
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Mar 2016