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MQ-200 Quantum Separate Sensor with Handheld PAR Meter

MQ-200 Quantum Separate Sensor with Handheld Meter
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MQ-200 Quantum Separate Sensor with Handheld PAR Meter

SKU: 207794
Performance
5 Review(s)
$379.99
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  • Get what you pay for By zega on 5/13/2015

    I am the lucky one having 2 Li-COR quantum sensor units, bunch of photospectrometers building kinetic flurimeters & stuff (check photosynq.org)...
    Now i compared it with Li-cor and i.e. when using 660 monochromatic light source (LED-actinic) or blue errors are huge exceeding 80%, it is calibrated for sunlight spot on, but for FL it is 10% off (i have done correlation for FL with LI190/LI-250 f(x)=0.904-5.94
    r^2 0.999
    for that reason i have printed spectral sensitivity curve and correlation and keep that in the box all the time.
    So spectraly it is meh 2-3stars, linearity is nice, it is small practical, looks good (better then Li-cor looks and functionality are great) waterproof (great)...
  • Very nice and compact By Reef&Frag on 12/10/2014

    I have been very happy with this unit. Very simple and easy to use. After watching some videos online it seemed like it worked better as a relative measurement than a precise reading. Overall very happy with my purchase.
  • Great for PAR By NE Patriots Fan on 4/3/2014

    Very good if you want to get serious about your lighting. This gives you great results and is easy to use. PAR is very important if you have a reef tank. This is a good meter to use to see where your lights stand. I bought one 8 year ago and still use it today.
  • Nice unit By Chicago on 3/25/2014

    I use this to track loss of light not necessarily the exact par. Works as described. Might want to research it's ability to read all blue led
  • Great product By ReefDVMs on 5/13/2013

    When switching over to LEDs and or moving coral via one system to another i have found this device to be very valuable, works well and waterproof sensor is prefect

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