AC 05

• 94dB,114dB,Sound Calibrator

• AC 05 Sound Calibrator is designed for sound pressure calibration of sound level meters and electroacoustic measuring instruments. It features a built-in feedback microphone to ensure highly stable sound pressure output. With dual sound pressure levels of 94 dB SPL and 114 dB SPL, it allows for easy calibration even in noisy environments. The device is compatible with 1-inch, 1/2-inch, 1/4-inch, and 1/8-inch microphones and operates at a calibration frequency of 250Hz/1 kHz. It automatically shuts off when removed from the microphone. Compact and lightweight, low in power consumption, and convenient to use.