General Radio 1562A Features:
- Frequencies: 125, 250, 500, 1000, and 2000Hz
- Accuracy: ±3%
- Sound-Pressure Level: 114 dB re 20 µN/m²
The General Radio 1562A is small in size but big in performance.... a self-contained unit for making accurate field calibrations on microphones and sound-measuring instruments. This calibrator fits in the palm of your hand, operates on its own battery power, features a single fumble-free control, and provides a precisely known sound-pressure level at five ANSI-preferred frequencies.