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Perform light intensity measurements up to 4000Fc/40000LUX with Extech’s LT10 Pocket Light Meter. The LT10 has a measuring rate of 1.5 times/second and user friendly operation. The compact, pocket-sized construction allows the meter to be easily stowed and transported to wherever applications demand. Supplied with a 9V battery, Extech’s LT10 Pocket Light Meter is the perfect choice for quick and handy light intensity measurements.
General Specifications
Display 1999 Count Backlit LCD with LUX, fc, battery, and MAX indicators
Display Polarity Automatically detects polarity; displays (‐) for negative polarity
Over range indication LCD displays ‘OL’
Low Battery Indication Battery icon appears when battery voltage is below operating level
Measurement rate 2.5 readings per second, nominal
Measurement Repeatability ±2%
MAX indication Displays highest reading
Temperature coefficient ±0.1% per ºC
Photo detector Silicon photo‐diode with spectral response filter
Sensor Calibration Calibrated to standard incandescent lamp; color temperature 2856k
Spectral response CIE photopic (CIE human eye response curve)
Power supply 9V battery
Auto Power Off Meter automatically switches off after 17 minutes of inactivity
Operating conditions Temperature: 0 to 40ºC (32 to 104ºF); Humidity: < 80% RH
Storage conditions Temperature: ‐10 to 60ºC (14 to 140ºF); Humidity: < 80% RH
Dimensions 157 (H) x 54 (W) x 34 (D) mm (6.2 x 2.1 x 1.3")
Weight 170 g (6 oz.)
Electrical Specifications
Ranges and Resolution | Accuracy |
LUX | ± (5% reading + 10 digits (<10000 LUX/fc) ± (10% reading + 10 digits (>10000 LUX/fc) Note that readings over 1999 will show the x10 or x100 multiplier.
|
200.0, 2000, 20000, 40000 | |
Foot candles (Fc) | |
20.0, 200.0, 2000, 4000 |
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