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Beha-Amprobe LM-100 Light Meter

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The Beha-Amprobe LM-100 is a compact light meter which measures the level of light given off by fluorescent, metal halide, high pressure sodium and incandescent light sources.

For easier measuring, the LM-100's light sensor is attached to the meter via a flexible coiled cable. This will allow you to hold the sensor close the light source while holding the meter in your other hand so you can actually view the readings.

Beha-Amprobe's LM-100 can measure light in both lumens (lux) and footcandles (FC) with the ability to easily switch between each unit as needed. It can measure both parameters up to a maximum of 20,000 FC or 200,000 lux with high resolution of 0.01FC/Lux.

The LM-100 also includes a data hold function which will freeze the current reading shown on the screen and a MAX mode which calculates and shows the maximum value taken over a period of time.

Beha-Amprobe LM-100 Light Meter Key Features

  • Measures light in lux or footcandles
  • Flexible sensor attached to meter by coiled cable
  • Silicon photodiode sensor and filter
  • Suitable for testing fluorescent, metal halide, high pressure sodium and incandescent light sources
  • Measurement range to 200,000 lux or 20,000 FC
  • Data hold function temporarily freezes current value shown on the screen
  • MAX function stores and displays highest reading taken over a period of time
  • Protective sensor cap included
  • Large size, 3 1/2 digit display

What's Included?

  • Beha-Amprobe LM-100 Light Meter
  • Installed Batteries
  • Carrying Case
  • User Manual
Part Code3052348

Beha-Amprobe LM-100 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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