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
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