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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.

Acoustic Calibrator Brochure
Acoustic Calibrator Manual

  • 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.

Acoustic Calibrator Brochure
Acoustic Calibrator Manual

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Our History

From humble beginnings in 1983 we have been working with governments in many areas of vehicle safety.

Our History

From humble beginnings in 1983 we have been working with governments in many areas of vehicle safety.