7. Calibration procedure
(1) Make the following switch settings:
a) Frequency weighting: A-weighting
b) Time weighting: FAST
c) Level range: 50 ~100dB
(2) Insert the microphone housing carefully into the 1/2 inch
insertion hole of the calibrator（94dB @ 1kHZ）.
(3) Turn on the switch of calibrator and adjust the CALL
potentiometer until 94.0dB is displayed.
NOTE: This meter has already been calibrated before delivery.
The recommended recalibration cycle is one year.
To Next Page
Loading...
