AutoTest SLM Calibrator

The AutoTest Acoustic Calibrator is used the for calibration
of Sound Level Meters, generating a signal with a sound
pressure level of 104dB at 250Hz.
The Acoustic Calibrator is a battery-operated instrument
and easy to use in the fi eld.
The Acoustic Calibrator is suitable for use with a ½ inch
microphone.

Applicable standards IEC 60942: 2003 Class 2
Method Dynamic speaker

Generated sound pressure level 104 ± 0.5dB
Distortion rate 0.5% or less
Generated frequency 250Hz ± 1%
Output stabilizing time 5 seconds or less after a microphone is inserted
Operating temperature range -10 to +50oC
Storage temperature range -20 to +60oc (not including batteries)
Operating humidity range 25 to 90% RH (with no condensation)
Storage humidity range 10 to 90% RH (with no condensation)
Power 9V battery PP3 x 1
Weight Approximately 200g