Second hand Bruel&Kjaer 4231 Second hand checked and calibrated.
Specification:
- Conforms to EN/IEC 60942 (2003) Class LS and Class 1, and
ANSI S1.40–2006
- Robust, pocket-sized design with highly stable level and
frequency
- Calibration accuracy ±0.2 dB
- 94 dB SPL or 114 dB SPL for calibration in noisy
environments
- Extremely small influence of static pressure and temperature
- Sound pressure independent of microphone equivalent
volume
- 1 kHz calibration frequency for correct calibration level
independent of weighting network
- Fits Brüel & Kjær 1″ microphones (1/2″, 1/4″ and 1/8″
microphones with adaptor)
- Switches off automatically when removed from the
microphone
Package includes: Calibrator, leather case, 1/2" Adapter, calibration report
