Martindale SPC70 Class 2 Sound Level Calibrator
£279.60
£233.00
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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.
Comes complete with a calibration Certificate Traceable to National Standards when purchased new.
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.
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