US$ 654.00
ex. VAT, ex. delivery costs
The Class I Sound Level Calibrator is a battery powered sound source. With the Class I sound level calibrator, direct and fast calibrations of sound level meters and other systems for noise measurement can be carried out.
- Sound pressure level:
94 dB, 114 dB
- Accuracy class:
IEC 942, class 1
- Accuracy sound level: ± 0.3 dB (20°C / 68°C, 760 mm / 30 in Hg)
- Frequency: 1000 Hz for
A, B, C and D frequency weighting