EXTECH LT300: LIGHT METER

Key Features

  • Wide range to 40,000Fc or 400,000 Lux with max resolution to 0.01 Fc/Lux
  • Relative mode indicates change in light levels, peak mode captures highest reading
  • Remote light sensor on 12″ (30.5cm) coiled cable – expandable to 24″ (61cm)
  • Utilizes precision photo diode and color correction filter
  • Large LCD display with analog bargraph
  • Backlight for readings in low light levels
  • Complete with 9V battery, light sensor with protective cover, protective holster, and soft case

SPECIFICATIONS EXTECH LT300 LIGHT METER

 + Lux

Ranges and Resolution: 40.00, 400.0, 4000, 40.00k, 400.0kLux

Accuracy: ± (5% Rdg + 0.5% Full Scale)

 + Foot candle (Fc)

Ranges and Resolution: 40.00, 400.0, 4000, 40.00kFc

Accuracy: ± (5% Rdg + 0.5% Full Scale)

  • 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)

Measurement Repeatability: ±2%

Temperature coefficient: ±0.1% per oC

Sampling rate: 13.3 times per second (bargraph); 1.3 times per second (digital display)

Photo detector: Silicon photo‐diode with spectral response filter

Peak Hold: Capture light peaks to 10μS

Operating conditions: Temperature: 0 to 40oC (32 to 104oF); Humidity: < 80% RH

Storage conditions: Temperature: ‐10 to 50oC (14 to 140oF); 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

 Power supply: 9V battery

Introduction Extech LT300

Digital and Analog display of light in Foot-candles or Lux

Insufficient lighting can create security risks or result in OSHA crackdowns. The Extech LT300 light meter can determine whether you have adequate illumination to protect workers, students, visitors, patients or attendees of different venues. This handheld instrument measures up to 40,000 Fc (or 400,000 Lux) utilizing a remote light sensor connected via 12 in. coiled cable (expandable to 24 in.). A prominent LCD readout displays a digital calculation and complementary analog bar graph for quick, reliable assessments. Complete with 9V battery, light sensor with protective cover, protective holster, and soft case.

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
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