VOLTCRAFT SL-300 - Calibration Procedures

13
DCOutput voltage10mv/dB
Output impedance 1KΩ
 Calibration potentiometerCALL
For external standard level calibration
adjustments.
 Tripod mounting screw
 Battery cover
 Microphone
1/2 inch Electret Condenser microphone
5. CALIBRATION PROCEDURES
 Make the following switch
settings:
Frequency weighting: A-weighting
Time weighting: FAST
Level range: 50 ~100dB
Insert the microphone housing carefully
into the 1/2 inch insertion hole of the
calibrator94dB @ 1KHZ.
Turn on the switch of calibrator and
adjust the CALL potentiometer of the
unit 94.0dB is displayed.
NOTE: All products are well calibrated
before shipment. Recommended
recalibration cycle: 1 year.