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Extech LT300 Light Meter with NIST

Item #:
EXT-LT300-NIST
Brand:
Extech
Extech LT300 Light Meter with NIST
$335.49
Qty

Discontinued

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Extech LT300 Light Meter with NIST

Extech LT300 Light Meter with NIST

$335.49

Discontinued


LT300 Light Meter with NIST by Extech

Measures light intensity up to 40,000 Foot-candles or 400,000 Lux with high resolution to 0.01 Fc/Lux. Ideal for indoor lighting tests and for checking security and safety illumination in parking garages, night time ATM areas, stairwells, landings, and hallways.

Features

  • Relative mode indicates change in light levels
  • Peak mode capture highest reading
  • Remote light sensor on 12" (30.5cm) coiled cable - expandable to 24" (61cm)
  • Utilizes precision photo diode and color correction filter
  • Cosine and color corrected measurements
  • Measures up to 40,000Fc/400,000Lux with 0.01 rmax resolution and basic accuracy of ±(5% rdg + 0.5%FS)
  • MIN/MAX feature stores maximum and minimum readings
  • Data Hold freezes reading in the display
  • Large LCD display with analog bargraph
  • Backlight for readings in low light levels
  • Dimensions: 5.9 x 2.95 x 1.57" (150 x 75 x 40mm); Weight: 7oz (200g)
  • Complete with 9V battery, light sensor with protective cover, protective holster, and soft case
General Specifications
Display Multi‐function 3‐3/4 (3999) digit LCD with Bargraph indicator
Over range indication LCD displays 'OL'
Spectral response CIE photopic (CIE human eye response curve)
Spectral accuracy CIE V function (f’1, 6%)
Measurement Repeatability ±2%
Temperature coefficient ±0.1% per °C
Sampling rate 13.3 times per second (Bargraph); 1.3 times per second (digital display)
Photo detector Silicon photo-diode and spectral response filter
Peak hold Capture light peaks to 10μS
Operating conditions Temperature: 0 to 40°C (32 to 104°F); Humidity: < 80%RH
Storage conditions Temperature: (-10 to 50°C (14 to 140°F); Humidity: < 80%RH
Dimensions 165 x 76 x 43mm (6.5 x 3.0 x 1.7")
Weight Approx. 403g (14.2 oz.) with battery installed
Low battery indication Battery symbol appears on the LCD
Power supply 9V battery

Range Specifications
Ranges and Resolution
Accuracy
Lux
40.00, 400.0, 4000, 40.00k, 400.0kLux
± (5% Rdg + 0.5% Full Scale)
Foot candle (Fc)
40.00, 400.0, 4000, 40.00kFc
± (5% Rdg + 0.5% Full Scale)

Datasheets & User Manuals

Questions & Answers


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