YX-162 Plant Efficiency Meter 
YX-162 is a popular plant efficiency meter, can be used to measure chlorophyll fluorescence parameters of plant leaves conveniently. The instrument can be used in biology, agriculture and forestry c*tion and breeding, ecological protection, biological tolerance, environmental pollution and other aspects of teaching and research work. Ⅰ. Instrument Function 1. Measure: Fo, Fj, Fi, Fm (Fp) fluorescence values 2. Calculate: Fv/Fm, Fv, Vt, Vj, Mo, Sm, Ss, φPo, ψO, φEo, φDo, PIABS, PICS and other fluorescence related parameters 3. Calibration: Automatic calibration 4. Display: The measured value, file name and date 5. Power supply: Rechargeable lithium battery 6. Set: The file name; Measurement parameters 7. Date: stores, transfers and deletes measurement data Ⅱ Technical Parameters 1. LED light: Blue LED, wave peak 470 nm 2. Light intensity range: 0.0~3500.0 μmol/ m2s, 500, 1000, 1500, 2000, 3500 optional 3. Measurement time: 0~10s, 1s, 2s, 5s, and 10s are optional 4. Detector: PIN silicon photodiode 5. Dark adaptation clip: 70×25×5 mm 6. Optical module: PBC+ Optical film + filter 7. Battery: 18650 can be recharged with lithium 8. Display: 1.3-inch 128×64 dot matrix OLED display 9. Keyboard: 2×2 capacitive touch keyboard 10. Storage: Store 9999 measurements 11. Transmission: USB Type-C data transmission 12. Size: 18×4×4 cm 13. Working environments: Temperature: 0 ~ 50℃; Humidity: 0 ~ 90% RH does not condensation 14. Storage temperature: -20~50 ℃ 15. Other: Support firmware upgrade, low voltage alarm
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