16) Self calibration time: 10 sec (every turn on)
17) Operating Temperature: 0C to 40C
Operating Humidity: 10% to 80% RH
I8) Storage Temperature: - I0C to 60C
Storage Humidity: 10% to 70%RH
19) Dimensions: 265(L)*72(W)*35 (H) mm
20) Weight: 300g (including batteries)
D. Calibration Procedures:
Use a Standard Acoustic Calibrator.
1) Use the following settings:
Display: SPL (dBA) Time
Weighting: FAST
Level range:
60 to 110 dB / 80 to 130dB (depending on calibrator type)
Measurement mode: MAX function disable
2) Insert the microphone carefully into the 1/2 inch hole of the
Calibrator.
3) Turn on the Calibrator and adjust the Potentiometer inside the
Battery compartment of the unit (shown in the diagram 1). The level
of the unit (shown in figure 1). The level display will indicate the
desired Level (94.0).
Recommended recalibration period: 1 year.
Figure 1.
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