CR:511E Dual Level Acoustic Calibrator
- Complies with IEC 60942:1988 Class 1L and Class 2.
- Output levels of 94 dB and 104 dB +/- 0.3dB.
- Output frequency of 1KHz +/- 1.5%.
- Removable microphone adaptor. Supplied with QC:3 adaptor to fit 1/2" microphones. Other adaptors available.
- Reference conditions: 23°C, 101.3kPa barometric pressure, 65% Relative Humidity
- Stability: 0.1dB
- Harmonic distortion: less than 2%
- Temperature: -10°C to +50°C (Class 2)
- Length 138mm, diameter 47mm, weight 305g
- Single 9V battery 6LR61 (6F22 or NEDA 1604).
- Battery indicator.
Other acoustic calibrators
Copyright © Ptolemy Services 2002
Most recent revision September 2002