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.
| 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 |
| 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 |
View these related products and get the most out of the AutoTest range.
From humble beginnings in 1983 we have been working with governments in many areas of vehicle safety.
From humble beginnings in 1983 we have been working with governments in many areas of vehicle safety.
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