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SPECIFICATIONS EXTECH LT505 POCKET LIGHT METER
Display: 9999 count LCD. Sampling rate 2.5 times per second
Light sensor: Silicone photodiode with cosine correction filter
Measurement Units: LUX and FC (Foot candles)
Lighting source types: Fluorescent, metal halide, high-pressure sodium, and incandescent
Input Overload Display: ‘ OL ’
Tripod mount: On back of meter
Power: 2 x 1.5V AAA batteries. Low battery indicator included
Automatic power off: After approx. 12 minutes of inactivity
Operating Temp/Humidity: 5°C to 40°C (40°F to 104°F); <80%RH Max
Operating Altitude: 2000 meters (7000ft) maximum
Storage Temp/Humidity: -10°C to 60°C (14°F to 140°F); <70%RH Max
Dimensions/Weight: 133 x 48 x 23mm (5.3 x 1.9 x 0.9”) /250g (8.8oz)
Safety: For indoor use only. EMC: EN61326-1 (2006), IEC 61000- 4-2 (2008, IEC 61000-4-3 (2006) + (2007); Pollution Degree 2.
- Electrical Specifications (23±5°C)
– Lux (autorange)
| Unit | Range | Resolution | Accuracy |
| Lux | 999.9 | 0.1 | ±3%rdg + 3 dgts |
| 9 999 | 1 | ±3%rdg +10 dgts | |
| 99 990 | 10 | ||
| 400 000 | 100 |
– Foot-candle (autorange)
| Unit | Range | Resolution | Accuracy |
| fc
|
99.99 | 0.01 | ±3%rdg + 3 dgts |
| 999.9 | 0.1 | ±3%rdg +10 dgts | |
| 9 999 | 1 | ||
| 40 000 | 10 |
∗ Note: All ranges calibrated to a standard incandescent lamp at color temperature of 2856°K
Introduction Extech LT505
Wide Range Foot-Candle/Lux Light Meter
Extech’s pocket-sized autoranging Light Meter offers wide light intensity ranges measuring up to 40,000Fc (400,000Lux) with high resolution to 0.01Fc (0.1Lux). Ideal for indoor lighting tests and for checking security and safety illumination in parking garages, night time ATM areas, stairwells, landings, and hallways.
Features
– Zero/Calibration function
– Data Hold and Min/Max functions
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