College Of Agriculture Tender

Portable Chlorophyll Meter

SPECIFICATIONS FOR PORTABLE CHLOROPHYLL METER 1. Measured Parameters - YIELD ( II ),Leaf Absorptance, Leaf Temperature ,Relative Humidity ,PAR,ETR , NPQ ,Maximal Fluorescence with actinic illumination at steady state fluorescence, Fluorescence under steady state conditions’ correction. Monitor Mode : Fv/Fm. For growth chamber & lab Work ( Long Term Measurement Night and day ) ; 2. Saturation pulse - White LED saturation flash to 7000 μmoles or better ; 3. Sensors - Pin Photodiode with a 700nm to 750nm band pass filter 2 RGB sensors leaf reflectance, leaf transmittance, and leaf absorptance, calibrated with standard. From 0 to 100%.Relative humidity 0% to 100% +-2% PAR sensor measures from 400nm to 700nm, cosine corrected. +- 3 μmols ; 4. Modulation Light - 660 nm LED with 690 nm short pass filter, Modulated light settings (Both manual and automatic) ; 5. Detection Method - Pulse Modulation ; 6. Sampling Rate - Auto Switching from 1 to 10,000 points per sec or better ; 7. Test Duration - About 3 Seconds for fast test, Several months in monitor mode ; 8. Display - 132 x 30 Pixel Graphic LCD Display or Better Screen Visible in bright sun light ; 9. Memory - 2 Giga Bytes or More ; 10. Data Generation Output - Standard USB Storage Devices : Files to be opened in Excel, No Special software is required ; 11. Power Input - Lithium-ion USB battery pack with 8 hour life. Designed to be carried in a pocket. The unit may be used with any USB compatible battery. The instrument will also run on most mains current USB chargers ; 12. Weight - Less than 0.5 KG ; 13. Accessories - Carry Case , Absorbance measuring Standard