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Extech EA31 Easyview Light Meter
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Extech EA31
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Features:
- Compact and rugged design with large display
- Low range model measures to 2,000Fc/ 20,000Lux
- Data Hold and Min/Max readings
- Auto power off, Zero function
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Description
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This device measures up to 20,000 Fc and 20,000 Lux. Careful use of this meter will provide years of reliable service.
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| EA31 |
LIGHT METER EASY VIEW 30 SERIES |
| $129.99 |  |
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| EA31-NIST |
LIGHT METER, EASY VIEW, EA31, WITH NIST |
| $204.99 | |
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| EA30 |
LIGHT METER, WIDE RANGING EASY VIEW 30 SERIES |
| $169.99 | |
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| EA30-NIST |
LIGHT METER, EASY VIEW, EA30, WITH NIST |
| $244.99 | |
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Specifications
| General Specifications |
| Display |
3-1/2 digit, 2000 count LCD |
| Over range indication |
LCD displays ‘OL’ |
| Spectral response |
CIE photopic (CIE human eye response curve), Cosine corrected |
| Spectral accuracy |
CIE V 2 function (f’1 6%) |
| Measurement Repeatability |
±2% |
| Calibration |
Calibrated to a standard incandescent lamp at color temperature 2856°K |
| Temperature coefficient |
±0.1% per °C |
| Sampling rate |
2.5 times per second |
| Photo detector |
Silicon photo-diode and spectral response filter |
| Operating conditions Temperature |
32 to 104 °F (0 to 40 °C) |
| Humidity |
<80% RH |
| Storage conditions Temperature |
14 to 140 °F (-10 to 50 °C) |
| Humidity |
< 80% RH |
| Dimensions |
5.91 x 2.8 x 1.4" (150 x 72 x 35mm) |
| Weight Approx. |
11.3 oz. (320g) with battery |
| Photo Detector Dimensions |
3.62 x 2.36 x 1.14” (92 x 60 x 29mm) |
| Detector cable length |
3’ (91cm) approximately |
| Low battery indication |
“BT” appears on the LCD |
| Power supply |
6 ‘AAA’ cells; Battery life approx 400 hours |
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