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Martindale MARSPC70 | SPC70 Class 2 Sound Level Calibrator | 94/114 dB at 1 kHz
Part Number : MARSPC70
The Martindale SPC70 (part number MARSPC70) is a Class 2 acoustic calibrator for checking sound level meters before and after a measurement session. It produces a 1 kHz reference at either 94 dB or 114 dB; the meter's microphone is inserted into the aperture so its reading can be verified and adjusted. It fits the Martindale SP79 and other meters with microphones up to 25 mm.
Key features
- 1 kHz reference tone at 94 dB and 114 dB
- Output accurate to 0.5 dB with low harmonic distortion
- Accepts microphones up to 25 mm
- Compatible with the Martindale SP79
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