Sound and Vibration Instrument Hire and Calibration
GRAS 42AA Pistonphone Calibrator Specifications
| GRAS 42AA : Pistonphone Calibrator - class 1 |
|---|
Accuracy :
IEC 942 Class 1Sound Pressure Level :
114 dB re 20 µPa ± 0.15 dBFrequency :
250 HzTemperature Range :
- 10 °C to + 55 °CBatteries :
4 x alkaline, IEC Lr6Weight :
325 g* Our standard hire charges are based on a 4-day minimum period, details other options.