Class 1 acoustic calibrator
Cal31 from 01dB brand is a class 1 acoustic calibrator for calibration and adjustment of any type of sound level meter equipped with a 1/2 ” diameter microphone. It is composed of an ergonomic and robust case. Easy to use, just press a button to start the signal. DUO, FUSION and CUBE products automatically detect the 93.7 dB signal at 1 kHz and initiate the calibration procedure.
Features
Metrology
Its specifications comply with IEC 60942: 2003 Class 1 and is approved in France by the Laboratoire National d’Essais (LNE) under number LNE-33867-0 and in Germany by Physikalisch-Technische Bundesanstalt (PTB) under number PTB-1.63-4087636.
Main Technical Specifications
- IEC 60942:2003 Class 1 Performance
- Sound pressure level 94 dB for pressure field microphone
- Sound pressure level 93.7 dB for free field microphone
- 1 kHz output frequency
- Dimensions Ø48 x H135 mm
- Weight 185g (with battery)
- 9V battery
- 15 hours battery lifetime continuous use
- Automatic Switch off after 5 min
Downloads
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