Amprobe LM-120 Light Meter with Auto Ranging

Overview

Measure in Lux or Footcandles, front panel switchable
Measuring Range to 200,000 Lux or 20,000 Foot candles
Silicon photodiode sensor and filter
Data Hold to freeze reading on the digital display
MIN / MAX ability to show high and low readings
Autoranging plus Manual Range
Zero function to null display before a reading
Auto Power Off to save battery life
Large, 3-1/2 digit display
Battery Life: 200 hours
Size: base: 130 x 63 x 38 mm (5.1 x 2.5 x 1.5”) Sensor: 80 x 55 x 29 mm (3.2 x 2.2 x 1.1”)
Weight: 220 g (.48 lb.) include battery
Safety: CE EMC
Illumination: Accuracy at 23°C ± 5°C (73.4°F ± 5°F), < 75% R.H.
Sensor: Silicon photodiode and filter
Range: 20, 200, 2000, 20000, 200000 Lux
Range: 20, 200, 2000, 20000 Foot candles
Display: 3¾ digit liquid crystal display (LCD) with a maximum reading of 1999
Power Supply: 9V NEDA 1604, IEC 6F22, JIS 006P battery

Amprobe LM-120 Datasheet

Range	0 lux, 200 lux, 2,000 lux, 20,000 lux, 200,000 lux, 20 fc, 200 fc, 2,000 fc, 20,000 fc
Sampling rate	2.5 times per second for digital display
Accuracy	+ or - 3 percent (calibrated to standard incandescent lamp at 2,856 degrees K), + or - 6 percent for other visible light sources
Angle deviation from cosine, 30 degrees	+ or - 2 percent
Angle deviation from cosine, 60 degrees	+ or - 6 percent
Angle deviation from cosine, 80 degrees	+ or - 25 percent
Polarity	Automatic, positive implied, negative polarity indication
Operating temperature	14 to 104 degrees F (-10 to 40 degrees C) at less than 80 percent relative humidity
Storage temperature	14 to 122 degrees F (-10 to 50 degrees C) at 0 to 70 percent relative humidity
Dimensions	Base is 5.1 x 2.5 x 1.5 inches/130 x 63 x 38 mm, sensor is 3.2 x 2.2 x 1.1 inches/80 x 55 x 29 mm (H x W x D)
Weight	.48 lb. (220 g) (including battery)
Standards	Japanese Industrial Standard (JIS) C1609:1993 and CNS 5119 general A-class specifications, and European Community Directives: 89/336/EEC (Electromagnetic Compatibility) and 73/23/EEC (Low Voltage) as amended by 93/68/EEC (CE Marking)