Product Description; Meter Description; Function Buttons - Extech Instruments RH250W User Manual

Hygro-thermometer
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4

Product Description

4.1 Meter Description

1. Temperature & Relative Humidity Sensor
2. Backlit LCD (detailed below)
3. Function buttons (detailed below)
4. Tripod mount
5. Battery compartment

4.2 Function Buttons

#NAS100074; r. AA/78956/78963; en-US
Power / Bluetooth button
Long press to switch the device on. Short press to switch off.
With the meter powered, long press to switch Bluetooth on/off.
Short press to switch the meter off directly from the Bluetooth mode.
MAX/MIN button
Short press to cycle through MAX/MIN readings. MAX/MIN memories
are cleared each time meter power is cycled.
Data Hold / Backlight button
Short press to freeze/unfreeze the displayed reading. HOLD will display
when data hold is active.
Long press to switch the LCD backlight on/off.
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