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Extech EN300
Hygro-Thermo-Anemometer-Light-Sound Meter
Measures Humidity, Temperature, Air Velocity, Light and Sound

 
  • Rugged 5-in-1 environmental meter with tripod mount and RS-232 PC interface
  • Large dual LCD simultaneous display of Temperature and Air Velocity or Relative Humidity
  • Characters on display reverse direction depending on Hygro-Thermo-Anemometer or Light-Sound Mode
  • Data Hold, Min/Max, Auto power off, Low Battery/Overrange indication
  • Built-in low friction vane wheel improves accuracy of air velocity in ft/min, MPH, m/s, km/h, and Knots
  • Built-in precision thin-film capacitance humidity sensor for fast response
  • Built in thermistor for ambient temperature measurements
  • Type K input measures temperature to 2372° (1300°C)
  • Utilizes precision photo diode and correction filter for Cosine and color corrected light measurements
  • Sound Level measurement meets IEC 61672 class 2 using A frequency weighting and fast response time
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Extech EN300 Shown

Product Information
Datasheet 490 KB PDF
Manual 1.6 MB PDF
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The Extech EN300 Hygro-Thermo-Anemometer-Light-Sound Meter measures Humidity, Temperature, Air Velocity, Light and Sound. The large dual LCD simultaneously displays Temperature and Air Velocity or Relative Humidity. Characters on display reverse direction depending on Hygro-Thermo-Anemometer or Light-Sound mode. Built-in precision thin-film capacitance humidity sensor for fast response and a thermistor for ambient temperature measurement. It utilizes precision photo diode and correction filter for Cosine and color corrected light measurements. Type K input measures temperature to 2372° (1300°C) using an optional Type K probe. Sound Level measurement meets IEC 61672 class 2.
 
Specification EN300
Measurement Range Resolution Basic Accuracy
Air Velocity
ft/min (feet per min.) 80 to 5910 ft/min 1ft/min ±3%
m/s (meters per sec.) 0.4 to 30m/s 0.1m/s
km/h (kilometers per hr.) 1.4 to 108km/h 0.1km/h
MPH (miles per hour) 0.9 to 67MPH 0.1MPH
knots (nautical miles per hr.) 0.8 to 58.3 knots 0.1knots
Light
Foot Candles 0 to 1860Fc 0.1Fc ±(5% rdg + 8 digits)
Lux 0 to 20,000Lux 1Lux ±(5% rdg + 8 digits)
Humidity
% Relative Humidity 10 to 95%RH 0.1%RH ±4%RH of reading
Temperature
Thermistor 32 to 122°F 0.1°F ±2.5°F
0 to 50°C 0.1°C ±1.2°C
Type K -148°F to 2372°F 0.1°F ±(1%+2°F) of reading
-100°C to 1300°C 0.1°C ±(1%+1°C) of reading
Sound
Sound 35 to 130dB 0.1dB ±1.4dB
Frequency 31.5 to 8,000Hz
Weighting/Response A weighting/fast response
 
Ordering Information
Model  Description Buy Online Price
EN300 Extech EN300 5-in-1 Environmental Meter Buy Now $319.99
Included Items
 
  • 1 Type K thermocouple probe
  • 1 Pouch case
  • 6 AAA batteries
  • 1 Manual
Included

*NOTE: Items ordered with optional NIST calibration will require
approximately 10 days to complete the certification.