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Beha-Amprobe LM-120 Light Meter

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3052353
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Determine the amount of visible light coming from a light source with the Beha-Amprobe LM-120.

Suitable for use with fluorescent, metal halide, high-pressure sodium and incandescent light sources, the LM-120 includes a light sensor attached to the main meter via a flexible cable. The light sensor should be held as close to the source as possible to gain a reading.

Light levels can be measure up to 20,000 footcandles (FC) or 200,000 lux with accurate high resolution of 0.01FC/lux. The LM-120 includes both auto and manual ranging modes, plus a zeroing mode which ensures accuracy before measurements taken place.

Want to jot down a reading? Hit the data hold button to instantly freeze the current value on the screen. A dedicated mode for calculating the maximum/minimum light levels over a period of time is also included.

Beha-Amprobe LM-120 Light Meter Key Features

  • Measuring range to 200,000 lux or 20,000 fc
  • Data hold function to freeze readings on the digital display screen
  • MIN/MAX shows high and low readings
  • Zero function can null displays before a reading
  • Protective sensor cap
  • Auto power off extends battery life
  • Silicon photodiode sensor and filter
  • Measuring in lux or foot candles, front panel switchable
  • Autoranging with optional manual ranging

What's Included?

  • Beha-Amprobe LM-120 Light Meter
  • Installed Batteries
  • Carrying Case
  • User Manual
Part Code3052353

Beha-Amprobe LM-120 Technical Specifications

Illumination Accuracy at 23°C ± 5°C (73.4°F ± 5°F), < 75% R.H.
Sensor Silicon photodiode and filter
Measurement Rate 2.5 times per second
Range 20, 200, 2000, 20000, 200000 Lux
20, 200, 2000, 20000 Foot candles
Accuracy ± 3% (Calibrated to standard incandescent lamp at 2854°K)
6% other visible light sources
Angle deviation from cosine Characteristics
30° ± 2%
60° ± 6%
80° ± 25%
Cosine Angular corrected per JIS C 1609:1993 and CNS 5119 general A class
Resolution 0.01 fc/lux
Display 3¾ digit liquid crystal display (LCD) with a maximum reading of 1999
Sampling Rate 2.5 times per second for digital display
Polarity Automatic, positive implied, negative polarity indication
Overrange (OL) or (-OL) is displayed
Zero Automatic
Low Battery Indication Symbol is displayed when battery voltage level drops below operating level
Temperature/Humidity Operating -10°C to 50°C (14°F to 122°F), 0 to 80%RH
Storage -10°C to 50°C (14°F to 122°F), 0 to 70%RH
Altitude 2000m, indoor operation
Power Supply 9V NEDA 1604, IEC 6F22, JIS 006P battery
Battery Life 200 hours
Auto Power Off Approx 6 min
Dimension (Base) 130 x 63 x 38 mm (5.1 x 2.5 x 1.5”)
Dimension (sensor) 80 x 55 x 29 mm (3.2 x 2.2 x 1.1”)
Weight 220 g (.48 lb.) include battery
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