(4)Hold the instrument comfortably in your hand or fix on tripod and point the microphone at the suspected noise source. The sound pressure level will be displayed.
(5)When MAX (maximum hold) mode is chosen. The instrument captures and holds the maximum noise level for a long period using any of the time weightings and ranges.
(6)When HOLD (data hold) mode is chosen.The hold function freezes the reading in the display. Press the HOLD button momentarily to activate or to exit the HOLD function
(7)Turn OFF the instrument and remove battery when not in use.
Calibration Procedures
(1) Make the following function switch settings.
Display: dB, A, Hi or Lo, F
Function:
Response Time: FAST
Level range: 30 to 100dB(Lo) or 60 to 130dB(Hi)
Measurement mode: MAX Hold and Data Hold Mode function disable.
(2) Insert the microphone housing carefully into the insertion hole of the calibrator.
(3) Open battery cover and remove the battery to adjust the CAL94dB potentiometer of the unit. The level display will indicate the desired level. Our products are all well calibrated before shipment.
Recommended Recalibration cycle:1 year.
6
Controls
(1)
(2)
(3)
(4)
(5)
(9)
(6)
(7)
(8)
(10)
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DSM1_manual_book |
1/21/32, 10:55 PM
