Extech 5-in-1 Environmental Meter

Extech 5-in-1 Environmental Meter


The Extech Hygro-Thermo-Anemometer-Light-Sound Meter measures humidity, temperature, air velocity, light, and sound.


  • Type K input measures temperature up to 2372° (1300°C)
  • Built-in low friction vane wheel
  • Utilizes precision photo diode and correction filter
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The Extech Hygro-Thermo-Anemometer-Light-Sound Meter is a rugged 5-in-1 environmental meter that measures humidity, temperature, air velocity, light, and sound. The characters on display can reverse direction depending on the meter mode. The built-in low friction vane wheel improves accuracy of air velocity, the precision thin-film capacitance humidity sensor for fast response, and the thermistor for amibient temperature measurements.


The type K input measures temperature up to 2372°F. The meter utilizes a precision photo diode and correction filter for cosine and color corrected light measurements. the sound level measurement meets IEC 61672 class 2 using A frequency weighting and fast response time. An optional tripod mount allow for continuous measurements.

Notable Specifications:
  • Air velocity
  • ft/min range: 80 to 5910 ft/min
  • ft/min resolution: 1ft/min
  • ft/min basic accuracy: ±3% FS
  • m/s range: 0.4 to 30m/s
  • m/s resolution: 0.1m/s
  • m/s basic accuracy: ±3% FS
  • km/h range: 1.4 to 108km/h
  • km/h resolution: .01km/h
  • km/h basic accuracy: ±3% FS
  • MPH range: 0.9 to 67MPH
  • MPH resolution: 0.1PMH
  • MPH basic accuracy: ±3% FS
  • Light
  • Foot candles range: 0 to 1860Fc
  • Foot candles resolution: 0.1Fc
  • Foot candles basic accuracy: ±(5% rdg + 8d)
  • Lux range: 0 to 20,000Lux
  • Lux resolution: 1Lux
  • Lux basic accuracy: ±(5% rdg + 8d)
  • Relative humidity
  • RH range: 10 to 95%RH
  • RH resolution: 0.1%RH
  • RH basic accuracy: ±4%RH of rdg
  • Temperature
  • Thermistor range: 32 to 122°F (0 to 50°C)
  • Thermistor resolution: 0.1°
  • Thermistor basic accuracy: ±2.5°F/ 1.2°C
  • Type k range: -148 to 2372°F (-100 to 1300°C)
  • Type k resolution: 0.1
  • Type k basic accuracy: ±(1%+2°F1°C) of rdg
  • Sound
  • dB range: 35 to 150dB
  • dB resolution: 0.1dB
  • dB basic accuracy: ±1.4dB
  • Frequency range: 31.5 to 8,000Hz
  • General
  • Weighting/response: A weighting/fast response
  • Power: 6 X AAA batteries
  • Dimensions: meter, 9.8 x 2.8 x 1.3" (248 x 70 x 34mm); vane, 1.2" (31mm)
  • Weight: 11.8oz (335g)
What's Included:
  • (1) Meter
  • (1) Type k thermocouple probe
  • (1) Vane wheel
  • (1) Windscreen
  • (1) Pouch case
  • (6) 1.5V AAA batteries
Image Part # Product Description Price Stock Order
Extech 5-in-1 Environmental Meter EN300 Hygro-thermo-anemometer-light-sound meter
Drop ships from manufacturer
Image Part # Product Description Price Stock Order
Extech TP870 Bead Wire Type K Temperature Probe TP870 Bead wire Type K temperature probe with mini connector
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