UEi Test Instruments DAFM3 - Manual (Page 4)

Safety Notes
Before using this meter, read all safety information carefully. In
this manual the word “WARNING” is used to indicate conditions
or actions that may pose physical hazards to the user. The word
“CAUTION” is used to indicate conditions or actions that may
damage this instrument.
CAUTION!
Objects striking the fan may damage meter.
IMPORTANT NOTE:
1. Rotate the protective cover in the center of the fan to open before
measurement to ensure the measured data is correct.
2. The fan and meter are sold as a kit and are calibrated to each
other. Please don’t connect the fan with another DAFM3 or other
similar anemo-psychrometers because the characteristic of each
fan is different.
3
CLOSED OPEN