Key facts
- Brand
- EXTECH
- Model
- EN300
- Category
- Other Electronics
- Documents
- 8
- Languages
- EN · ES · IT · DE · FR
- Last added
- 2023-10-18
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Extech EN300 5-in-1 Environmental Meter User Manual
The Extech EN300 is a compact, five-in-one environmental meter designed for professional use. It measures air velocity, humidity, light, temperature (via type K thermocouple), and sound levels. The device features a dual display, unit selection buttons, and functions like hold, max/min recording, and RS-232 output. It operates with 6 AAA batteries or an optional AC adapter and includes safety warnings and calibration instructions.
The manual details how to power the device, select measurement modes, calibrate the light sensor, and use the data record function. It also covers safety precautions, battery replacement, and disposal guidelines, including legal requirements for battery disposal.
EXTECH EN300 specifications
| Display | LCD display, 41.5 x 31.5 mm |
|---|---|
| Operating Humidity | 80%RH Max. |
| Operating Temperature | 0 to 50°C (32 to 122°F) |
| Power Supply | 1.5V DC battery (UM4/AAA x 6) or 9V DC adapter |
| Weight | 335 g / 0.74 lb |
| Dimensions | 248 x 70 x 34 mm (9.8 x 2.8 x 1.3 inch) |
| Anemometer Accuracy | ±3% F.S. up to 3900 ft/min, ±4% F.S. above |
| Humidity Accuracy | ±4% RH below 70% RH, ±(4% reading + 1.2% RH) above 70% RH |
| Light Accuracy | ±5% reading ±8 digits |
| Sound Level Accuracy | Meets IEC 61672 class 2, A weight, Fast response |
All EXTECH EN300 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
- Extech EN300 5-in-1 Environmental Meter User Manual 9 p
- Extech EN300 Environmental Meter User Manual 9 p
- Extech EN300 Environmental Meter User Manual 9 p
- Extech EN300 5-in-1 Environmental Meter User Manual 9 p
- Extech EN300 Environmental Meter User Guide 9 p
- Extech EN300 5-in-1 Environmental Meter User's Guide 9 p
Questions answered in these manuals
How do I switch between °C and °F on the EN300?
During temperature measurements, press the °C/°F button once to change the unit from °C to °F.
How do I zero the light sensor?
Completely cover the light sensor and press the "Unit/Zero Button" to set the zero point.
How do I change the temperature units?
Press the °C/°F button once to switch between Celsius and Fahrenheit.
How do I record maximum and minimum values?
Press the Max/Min button to start recording; press it again to view Max or Min values.
How do I switch between Celsius and Fahrenheit?
Press the °C/°F button on the front panel to change temperature units.
How do I record maximum and minimum values?
Press the Max/Min button once to start recording, then press it again to view max or min values.