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The Amprobe LM631A unit offers high resolution readings and adherence to published standards for human eye response to illuminance.
Designed for facility engineers or building maintenance personnel who need to ensure indoor light and work area lighting requirements, compliance with safety regulations, and to monitor building and security light levels. Also useful for anyone who wants to measure illumination levels.
Features:
Measures wide range of light up to 20,000 fc or lux, front panel switchable Accurate, high resolution of 0.01 fc/lux
Sensor dome has 45" attached cord for measurement flexibility
Built-in CIE spectrum curve for accurate human eye response
Peak hold and data hold
Large 3-1/2-digit display with backlight feature
Meets CE EN61326-1 certification for safety ratings
Analog output for monitoring and charting
Case is rugged valox plastic in ergonomic design for holding ease
The CIE photopic curve is an international standard for the color response of the average human
eye. CIE standard illuminant is defined as a gas-filled tungsten-filament lamp operating at a
correlated color temperature.
General Specifications
Display:
3 1⁄2-digit (LCD) with maximum reading of 1999
Overrange:
(OL) is displayed
Low Battery Indication:
Change batteries immediately
Measurement Rate:
2.5 times per second, nominal
Operating Environment:
32 to 122°F (0 to 50°C) at < 75% R.H.
Storage Temperature:
- 4 to 140 °F (- 20 to 60 °C), 0 to 80 % R.H. with batteries removed
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Amprobe LM631A Digital Light Meter
