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EN300-EU-EN v1.3 4/14
2
Introduction
Congratulations on your purchase of this Extech Meter. The EN300 is five 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 5-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.
4. Type K thermometer uses standard type K (NiCr-NiAl) thermocouple input jack suitable for
diverse application type K probes.
5. The sound level meter meets IEC 61672 class 2 with "A" frequency weighting and "Fast"
time response.
Common Features:
Built-in microprocessor circuit assures excellent performance and accuracy.
Concise and compact button arrangement for ease of operation.
Record / recall maximum and minimum values.
Hold function freezes the current reading value.
Front panel °C / °F selection button.
Front panel 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.
Zero button for light meter.
Robust housing suitable for one hand operation