II Features
Light-measuring levels ranging from 0.01 lux ~ 0.1 klux / 0.01 fc ~ 0.01 kfc,
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repeatedly.
High accuracy and rapid response.
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Data-hold function for holding measuring values.
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Unit and sign display for easy reading.
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Automatic zeroing.
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Meter corrected for spectral relative efficiency.
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Correction factor need not be manually calculated for non-standard light sources.
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Short rise and fall times.
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Peak-hold function for tracing the peak signal of light pulse with least duration 10μs
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and keeping it.
Capable of selecting measuring mode in lux or fc scale, alternatively.
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Auto power off 30 minutes.
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Maximum and minimum measurements.
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Relative reading function.
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III Specifications
Display:3-3/4 digit LCD with high speed 42 segment bargraph.
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Measuring Range:40.00 lux, 400.0 lux, 4000 lux, 40.00 Klux and 400.0 klux / 40.00 fc,
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400.0 fc, 4000 fc, 40.00 Kfc.
Note : 1fc=10.76Lux , 1Klux=1000Lux , 1Kfc=1000fc
Overrange Display: LCD will show "OL" symbol.
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Spectral Response: CIE Photopic. (CIE human eye response curve).
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Spectral Accuracy: CIE Vλ function f '
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Cosine Response: f '
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Accuracy: ±3% rdg ± 0.5% f.s. (±4% rdg±10 dgts as > 10,000 lux/fc range).
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(calibrated to standard incandescent lamp at color temperature 2856K).
Repeatability: ±2%.
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Temperature Characteristics: ±0.1%/°C.
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Sampling Rate: 13.3 times/sec of analong bar-grahp indication; 1.3 times/sec of
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digital display.
Photo Detector: One silicon photo diode and spectral response filter.
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Operating Temperature & Humidity:
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0°C to 40°C (32°F to 104°F) & 0% to 80% RH.
Storage Temperature and Humidity:
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-10°C to 50°C (14°F to 140°F) & 0% to 70% RH.
Power Source: 6 pcs size AAA battery.
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Battery life ( typical ): 400 hours ( carbon zine ).
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Photo detector Lead Length: 150 cm ( approx. ).
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Photo detector Dimensions: 92L×60W×29H (mm).
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Meter Dimensions: 150L×72W×35H (mm).
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Weight: 320g.
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Accessories: Carry case, instruction manual, battery.
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Elma 1335
≤ 6%
1
≤ 2%
2
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