Fuel cell breathalyser with advanced flow detection (12 pages)
Summary of Contents for protech QM1598
Page 1
Sound Level Calibrator QM1598 User Manual...
Page 2
1.Calibrator Description 1. Microphone adaptor 2. Range switch 3. Battery compartment/Cover 2.Procedure •Insert the microphone under test into the calibrator’s microphone cavity, ensure that it is fully inserted (Sound level meters with 1/2” microphones can be calibrated with this device). •Slide the range switch to the 94dB position, or the 114dB position as desired.
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