DLM1000, Digital Blacklight & Whitelight Meter (Digital Radiometer)



Gould-Bass DLM-1000 Digital Light Meters are portable, 3-1/2 digit instruments with the latest LSI circuit design and display technology in order to achieve the lowest possible component count. These Light Meters measure blacklight intensity in the spectral range of 320 to 400 nanometers in microwatts per square centimeter or visible light intensity of 380 to 700 nanometers in Lux or Foot Candles based on the sensors selected.

The DLM-1000 is simple to operate, with an LED display that indicates Lux or Foot Candles at 1x the display reading and microwatts/cm2 at 10x the display reading. An auto-zeroing display and a visible sensor corrected to CIE curve saves time during applications. The DLM-1000 Digital Light Meters meet AMS, ASTM, and Mil standards.

  • Latest LSI circuit design and display technology
  • Simple to operate
  • LED display
  • Auto zeroing display
  • Visible sensor corrected to CIE curve
  • Highly portable




In stock


Model DLM-1000
Sensor “B” UV Sensor (µW/cm²)
“C” Visible Sensor (foot-candles)
“L” Visible Sensor (Lux)
Spectral Range “B”: 320 – 400 nm
“C”: 380-700 nm
“L”: 380-700 nm
Readout Unit Display 13 mm (0.5″)
Readout Unit Sampling Time 0.4 seconds
Range 0-1999
Resolution 1x (FC or Lux)
10x µW/cm²
Accuracy ± 2% (+2 digits)
Weight Readout Unit: 160 g (0.36 lb)
Sensor: 90 g (0.20 lb.)
Dimensions Readout Unit: 108 mm x 73 mm x 23 mm (4.3″ x 2.9″ x 0.9″)
Sensor Head: 70 mm x 52 mm x 17 mm (2.8″ x 2.0″ x 0.7″)
Humidity Range 0 to 100% R.H. non-condensing
Temperature Range Operation: 0° – 50° C (32° – 122°F)
Storage: 10°C – 50º C (14° – 122°F)
Power Requirement One 9-volt battery (provided)
Specifications Meets AMS, ASTM, and Mil Standards

What’s Included:

  • DLM-1000 Digital Radiometer
  • Durable Polymer Case

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