Luxmeter 0-200,000LUX Auto range

Product Overview

This light meter from AMPROBE, the Amprobe LM-120, measures visible light from fluorescent, metal halide, high-pressure sodium, and incandescent light sources. The Amprobe LM-120 provides readings in Lux or Foot-candles and is designed for handheld, portable use with a digital display.

Features and Technical Specifications

• Sensor: Silicon photodiode with filter.
• Measurement Units: Lux and Foot-candles, front panel switchable.
• Measurement Ranges: up to 200,000 Lux or 20,000 Foot-candles (autoranging and manual ranging available).
• Display: 3 1/2 digit LCD, maximum reading 1999.
• Data Processing: Data Hold and Min/Max functions; zero function to reset display before measurement.
• Sampling Rate: approximately 2.5 readings per second.
• Power Supply: 9 V battery (NEDA 1604 / IEC 6F22 / JIS 006P); battery life approx. 200 hours.
• Auto Power Off: approx. 6 minutes (to save battery).

Documentation

See the manufacturer's datasheet for detailed information and complete specifications: See datasheet from manufacturer

Typical Applications

• Measuring visible light from fluorescent, metal halide, high-pressure sodium, and incandescent lamps.
• Determining illumination levels and adjusting fixture output (e.g., to reduce or increase brightness).

Specifications

• Model: Amprobe LM-120.
• Sensor: Silicon photodiode and filter.
• Measurement Ranges: 20, 200, 2000, 20000, 200000 Lux; 20, 200, 2000, 20000 Foot-candles.
• Display: 3 1/2 digit LCD, maximum 1999.
• Sampling Rate: 2.5 times per second.
• Accuracy: ±3 % calibrated to standard incandescent lamp at 2854 °K; 6 % for other visible light sources.
• Zero function: available (reset before measurement).
• Min/Max-hold: available.
• Ranging: Autoranging and manual ranging.
• Power: 9 V battery; Battery life approx. 200 hours; Auto Power Off approx. 6 min.
• Operating Temperature: 14 °F to 104 °F (-10 °C to 40 °C), 0–80 % RH. Storage: 14 °F to 122 °F (-10 °C to 50 °C), 0–70 % RH.
• Altitude Operation: 2000 m, indoor use.
• Dimensions (base): 130 x 63 x 38 mm; Sensor: 80 x 55 x 29 mm; Weight: 220 g (incl. battery).
• Calibration Point: 2854 °K, Cosine angle corrected according to JIS C 1609:1993 and CNS 5119 general A class.
• Included: LM-120 unit, 9V battery, carrying case, user manual.
• Approvals: EMC EN61326-1 (listed in manufacturer documentation).

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