One-Piece Light Meter


One-Piece Light Meter

The #DLM204 has the range and accuracy needed to make meaningful measurements of indoor or outdoor light levels. Applications include OSHA compliance, industrial/commercial photography/videography and surveillance/security.


Best For:



  • Displays measurements in lux or foot-candles
  • Jumbo 3-1/2 digit (2000 count) LCD
  • Uses cosine angular correction, a silicon diode and a spectral response filter
  • Min/max memory + data hold
  • Zero level adjustment
  • Small and lightweight
  • Protective cover for light sensor
  • NIST calibration is available
  • Specifications


    • Measurement ranges: 0 to 200/2000/20,000,200,000 lux (0 to 20/200/2000/20,000 foot-candles)
    • Measurement accuracy: ±3% of reading for standard incandescent lamps; ±6 to 8% for other visible light sources (incandescent, fluorescent, high-pressure sodium and metal-halide lamps)
    • Measurement resolution (max): 0.01 ft-cd (0.1 lux)
    • Display size and type: 2 in. (50mm) diagonal LCD with 1 in. high digits
    • Operating temperature: 14° to 122°F (-10° to 50°C) @ <80% RH
    • Weight (including battery): 8.8 oz. (250g)
    • Power source: "9V" battery (included)


    • Battery
    • Soft pouch
    • 1-year limited warranty


    • 6.7 x 2.2 x 1.5 in. (172 x 55 x 38mm)
    Prop 65

    ⚠ WARNING: This product can expose you to chemicals including di2-ethylhexylphthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to