A compact kit comprising a rugged carrying case, a light adapted Yield (YII) meter, a dark adapted Fv/Fm meter, 10 dark adaption clips, 2 x rechargeable batteries, 2 x USB cables, USB battery charger and manuals.
Specification Y (II) and Fv/Fm
Light Sources:
Saturation pulse:7,000umols white LED 6,000umol red LED
Modulated light:Red: 660 nm LED with 690 nm short pass filter
Actinic light source:Ambient light only, Dark adapted only
Detection method:Pulse modulation method
Detector & Filters:A PIN photodiode with a 700 ~750 nm bandpass filter
Sampling Rate:Auto-switching from 1 to 10,000 points per sec, depending on test & on phase of test Automated routine to optimally set the modulated light intensity. The modulated light may also be set manually Multi-Flash Fm’ correction for all light adapted
Protocols & quenching:May be turned off
Test Duration:About 3 seconds for fast tests and may be run for months in monitor mode
Storage Capacity:2 Gigabyte of non-volatile flash memory, supporting almost unlimited data sets
Special Algorithms:8 point rolling 25 ms average to determine Fm and Fm’ eliminating saturation pulse NPQ as an issue
Output:USB comma delineated files may be opened in Excel
User Interface:Menu driven with arrows
Display:Graphic black and white display 132 x 32 pixels
Power Supply:8 hour USB lithium ion battery is Standard, but any USB battery can be used. Mains current may also be used. Mains plug is also supplied. Charger included
Dimensions:23cm long with a USB cable that is 160cm long the case is 36 x 28 x 15mm -
included
Weight:Meters w/battery & USB cable- 0.45 kg Complete w/case & accessories- 1.5 kg
Operating temperature range:0°C to 50°C
Absorptance measuring standard: 2 included