Martindale SPC70 Class 2 Sound Level Calibrator

The Martindale SPC70 Class 2 Sound Level Calibrator suitable for periodic testing of sound level meters and verifying their accuracy before and after readings, in accordance with international standards.

The Martindale SPC70 Class 2 Sound Level Calibrator is simple to use and provides a 1kHz reference at 94dB and 114dB. The output is accurate to 0.5dB with low levels of harmonic distortion.

The Martindale SPC70 Class 2 Sound Level Calibrator is compatible with the Martindale SP79 Class 2 Sound Level Meter and other meters with microphones up to 25mm.

• Output sound pressure levels: 94dB and
• 114dB rel 20μPa under reference conditions
• Output frequency: 1000Hz ± 2%
• Accuracy of sound pressure level: ± 0.5dB
• Total harmonic distortion: <3%

Martindale SPC70 Class 2 Sound Level Calibrator comes complete with a calibration Certificate Traceable to National Standards when purchased new.

Contact us for further information regarding Martindale SPC70 Class 2 Sound Level Calibrator