- Supply TypeManufacturer, Supplier, Retailer
- Preferred Buyer Location Anywhere in India
Sound Level Meter Item Code: CTL100 The automatic check consists in comparing sound level meter value with level produced by CTL100. The principle allows to periodically check sound level meter performance, especially the microphone performance which is the sensing element of the instrument. Technical data Frquency: 1000 Hz ± 5% Level: 90 dB ± 1dB Stability: < 0.5 dB