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Amprobe Light Meter 光度計-LM-120
The Amprobe LM-120 light meter measures the visible light from fluorescent, metal halide, high-pressure sodium or incandescent sources. It is a portable, easy-to-use digital light meter designed for simple one-hand operation reading in Lumen (lux) or foot candle (fc) units. The LM-120 measures a wide range of light up to 20,000 fc or 200,000 lux with an accurate, high resolution of 0.01 fc/lux. This unit is Auto-ranging plus manual ranging with ability to Zero out the reading before taking a measurement.
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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
Includes protective sensor cap
Large, 3-1/2 digit display
| Feature | LM-100 | LM-120 |
| Ranging | Manual | Automatic/Manual |
| Illumination sensor | Silicon photodiode and filter | |
| Range lux | 20, 200, 2000, 20000, 200000 | |
| Range footcandles | 20, 200, 2000, 20000 | |
| Calibration point | 2854 °K Cosine Angular corrected per JIS C 1609:1993 and CNS 5119 general A class | |
| Data | Data hold | Data hold, min/max |