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This device measures the number of Lumens emitted by your light source (MH - HPS - CFL).
Simple and effective, this measuring instrument will indicate the rate of wear of your lamps.
High accuracy in measuring, fast reflection time
Data hold function
Symbolly and unit display for easy reading
Measuring range: 1 Lux ~ 100000 Lux
Display: 3 1/2 digits LCD display, maximum display value 1999
Range selection: 2000 Lux, 20000 Lux, 100000 Lux (20000 Lux range reading x20, 100000 Lux range reading x100)
Accuracy: <10000 Lux ±(4% rdg + 10 dgt)
≥10000 Lux ±(5% rdg + 10 dgt)
Calibrated to standard incandescent lamp at color temperature 2856K.
Resolution: 1 Lux
Repeatability: ±2%
Temperature Characteristic: ±1%/°C
Test Rate: 2 times/sec
Photo Sensor: one silicon phot diode with filter.
Operation temperature-humidity: 0°C to 40°C, 0~70% Rh
Storage temperature-humidity: -10°C to 50°C, 0~80% Rh
Power supply: one 9V battery (model 6F22)