Prokit's Industries MT-1620 - Manual (Page 39)

4.20 HUMIDITY MEASURING
WARNING
To avoid damage to the meter, input plug
can not connect with any electric signal.
4.20.1 Set the transform switch at the %RH range
position.
4.20.2 The ‘LCD’ display will show the current
environment humidity.
NOTE:
 When the tested environment humidity value
changed. It need to a few minutes to get the stable
"RH" reading.
4.21 SOUND LEVEL (dB) MEASURING
WARNING
To avoid damage to the meter, input plug
can not connect with any electric signal.
4.21.1 Set the transform switch at the dB range
position.
4.21.2 Move the sensor in front of the meter to the
sound source in a horizontal position.
4.21.3 The ‘LCD’ display will show the current
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