MT-902 Digital LCD Light Meter Illuminometer Photometer FC Tester 0-200K Lx/0-20KFc Condition: Item Type: Light Meter Material: ABS Display 4-Digit LCD Display Measuring Range 0Lx-200K Lx, 0Fc-20KFc Spectrum Response CIE Photo (CIE Human Eye Response Curve) Out of Range Indication LCD Displays ''-OL-'' or ''-LO-'' Spectrum Accuracy CIEVλfunction (f1'≤6%，f2'≤2%) Accuracy ±3%rdg±0.5%fs (<10,000Lx) ±4%rdg±10dgts (>10,000Lx) Sampling Rate 2 Times/Sec Photodetector A silicon photodiode with a spectrum response filter Battery Life At Least 60 Hours Working Conditions Temperature: -20℃~60℃ Humidity: 10%~90%RH Storage Conditions Temperature: -20℃~60℃ Humidity: 10%~75%RH Power Supply 1 x 9V Battery, 006P, NEDA1604 or IEC6F22 (Not Included) Product Size Approx. 172 x 55 x 38 mm / 6.8 x 2.2 x 1.5 in Weight Approx. 163g / 5.7oz