Portable Luminous Flux Visible Light Spectrometer Radiometer(PAR-355)

1. Application: environmental monitoring2. Operating temperature: 32 Fahrenheit to 122 Fahrenheit (0 Celsius to 50 Celsius)3. Storage temperature: -4 Fahrenheit to 140 Fahrenheit (-20 Celsius to 60 Celsius)4. Operation and storage: RH 0-95 percent , non-condensing5. Repeatability: +/-1 umol/m2 per second6. Measurement range: 0-5000um ol/m2/second Display Resolution; 0.01 um ol/m2/second (0-99.99); 0.1 um ol/m2/second (100-999): 1 mol/m2/second (1000-5000)7. Measurement rate: 1 measurement per second8. Starting wavelength: 400+/-10 nanometers9. Cut-off wavelength: 700 +/- 10 nm10. Power requirements: 2 x 1.5 V size A alkaline batteries or suitable rechargeable batteries (batteries not included)11. Dimensions: 115 x 60 x 24 mm12. Weight: 115 g