User Manual

EN100-150-EU-EN v1.1 11/13 2
Introduction
Congratulations on your purchase of this Extech Meter. The EN100 or 150 is 11 professional
meters built into one convenient package. This meter ships fully tested and calibrated and, with
proper use, should provide many years of reliable service.
Features
This 11-in-1 professional measuring instrument provides the following functions:
1. Anemometer uses a low-friction ball bearing mounted wheel design for high accuracy
2. Humidity meter uses a high Precision humidity sensor for fast response time
3. Light meter uses a photo diode and color correction filter light sensor; spectrum meets C.I.E.
photopic (EN100 only). The EN150 has a UV Light sensor
4. Optional PT1000 thermistor for external temperature measurements (EN100-TP)
Common Features
Built-in microprocessor circuit assures excellent performance and accuracy
Concise and compact button arrangement for ease of operation
Maximum and minimum values
Hold function freezes the current reading value
Front panel °C / °F selection button
Lux/Foot-candle selection button
Five (5) air velocity measurement units, selected by a front panel button
Dual display with simultaneous display of relative humidity and temperature or air velocity and
temperature
Automatic Zero for the light meter
Measurement capabilities for: Air Velocity, Air Flow, Wind Chill, Humidity, Dew Point, Wet
Bulb, Heat Index, Light (Visible – EN100) (UVA – EN150), Thermometer, Barometric
Pressure, Altitude