General WDCFM8912 User Manual page 3

Digital air flow meter with cfm, btu, temp, humidity, dp, fpm, mph, kph, mps, knots & wet bulb
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REMINDER
IMPORTANT:
1. Rotate the cover before measurement to
ensure the measured data is correct.
2. The fan and meter are sold as a kit and
are calibrated together.
When you need to replace the fan,
please see page 11 for details on
fan replacement.
CONTROLS AND INDICATORS LCD DISPLAY
LCD DISPLAY
KEY PAD
O
1. Power:
- Turn on the meter with auto-sleep mode.
- Turn off the meter at any mode.
- When the meter is off, pressing
enter units selection.
2. MODE:
- Pressing to select different modes.
Temp.
DP
- Pressing longer to select VOL and CAP.
WB
RH
Velocity.
O
more than two sec. to
3

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