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Extech LT45 Color LED Light Meter

Item #:
EXT-LT45
Brand:
Extech
Extech LT45 Color LED Light Meter
$299.99
Qty

Discontinued

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Extech LT45 Color LED Light Meter

Extech LT45 Color LED Light Meter

$299.99

Discontinued


LT45 Color LED Light Meter by Extech

Extech LED Light meters are used for monitoring and optimizing environmental light levels in buildings, schools, and offices. LED lighting is being used more commonly, because they are less expensive, more energy efficient and brighter. Model LT40 measures the light intensity for white LED lights, while the LT45 measures both white and color LED lights.

Features

  • Measure LED and Standard Lighting in Lux or Foot-Candle (Fc) units
  • 4000 count display
  • Min/Max Average
  • Cosine and color corrected measurements
  • Auto Power off
  • Measures white, red, yellow, green, blue, and purple LED lights
  • Manually store/recall up to 99 readings
  • Complete with light sensor with protective cover and coiled cable expandable to 59" (1.5m), 9V battery, and hard case
Sampling rate 2.5 times per second (digital display)
Display 6-digit LCD with battery icon, measurement overload, and other function indicators
Sensor (detector) Silicon photodiode with spectral response filter and cosine correction
Ranges and Resolution Lux: 399.9, 3999, *39999, *399999
Foot-candles: 39.99, 399.9, 3999, *39999
*Above 3999, the LCD uses smaller digits on the right side (1 Fc = 10.76 Lux)
Auto-range The meter automatically ranges the display
Accuracy ± (3% of reading + 3 digits) up to 500 Lux
± (3%) above 500 Lux
Calibrated to standard incandescent lamp 2856°K at an ambient temperature of 23°C
±6% + 3 digits for other visible light sources
Angle deviation from cosine characteristics
30°: ±2%
60°: ±6%
80°: ±25%
LED Types Meter measures white, red, yellow, green, blue, purple LED light
Operating conditions Temperature: 5 to 40°C (41 to 104°F); Humidity: < 80% RH
Storage Temperature/RH -10 to 60°C (14 to 140°F); Humidity: < 70% RH
Battery status indication Battery symbol appears empty when battery voltage reaches critical level
Power supply 9V battery
Auto Power OFF Meter powers down after 5 minutes of inactivity (can be defeated)
Dimensions Meter: 38 x 55 x 130mm (1.5 x 2.2 x 5.1")
Sensor: 25 x 44 x 80mm (9.8 x 2.2 x 3.1")
Cable length: 1.5m (4.9 ft.)
Weight Approx. 250g (8.8 oz.) with battery installed

Datasheets & User Manuals

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