B&K Class 1 Sound Level Calibrator is designed for accurate in-field acoustic calibration of sound level meters, microphones and other sound measurement equipment.
- Standards : IEC/EN 60942 (2017) Class 1
- Calibration pressure : 94 and 114 dB
- Calibration frequencies : 1000 Hz
- Calibration accuracy : ±0.2 dB
- Transducer : 1-inch, 1/2-inch and 1/4-inch