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Digital LUX Meter HP-881A
The Digital Illuminance Meter is a precision instrument used to measure illuminance in the field.
It is fully cosine corrected for the angular incidence of light.
The illuminance meter is compact, tough and easy to handle owing to its construction.
The light sensitive component used in the meter is a very stable, long life silicon diode.
GENERAL SPECIFICATIONS
Display: 3 1/2 digits LCD display, maximum reading value display 1999
Ranges: 1-50,000Lux.
Resolution: 1Lux
Accuracy: ≤10,000Lux: ±4%rdg±0.5f.s
≥10,000Lux:±5%+10digits(Calibrated to standard incandescent lamp at color temperature 2856K)
Repeatability:±2%
Temperature Characteristic: ±0.1%/℃
Test rate: 0.4 sec.
Photo detector: one silicon photo diode with filter.
Operation temperature-humidity:-0℃ to 40℃(32℉-104℉) 0~70%Rh
Storage temperature-humidity: -10℃ to 50℃(14℉-122℉) 0~80%Rh
Over-input: indication of "1" (2,000Lux/20,000Lux)
Indication of "OVER" (50,000Lux)
Dimension: 165×67×32mm
Weight: approx. 155 g (including battery)
Power Supply one 9V battery, Consumption current approx.2mA
Accessories: Instruction-manual
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