AutoTest® Acoustic Calibrator

AutoTest® Acoustic Calibrator

The AutoTest Acoustic Calibrator is used 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 field. The Acoustic Calibrator is suitable for use with a ½ inch microphone.

  • Compact, hand-held battery powered instrument
  • Generates a signal with a sound pressure level of 104dB at 250Hz
  • Easy to use in the field
  • Suitable for use with a ½ inch microphone
  • Suitable for calibrating the AutoTest Digital Sound Level Meter.

Applicable standards IEC 60942: 2003 Class 2
Method Dynamic speaker
Applicable microphone ½ inch microphone
Generated sound pressure level 104dB ± 0.5
Distortion rate 0.5% or less
Generated frequency 250Hz ± 1%
Output stabilizing time 15 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
Battery life Approximately 20 hours or more of continuous operation (when using PP3 type dry cell batteries at 25oC)
Outer dimensions 60(H) x 10(D) mm
Weight Approximately 200g

Product Downloads

Click here for product manuals and brochures.

Digital Sound Level Meter Brochure
AutoTest Digital Sound Level Meter Manual

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