Sound level calibrator, class 2 according to IEC 60942:2003, suitable for ½” and ¼” (HD2020AD4 adaptor for ¼” microphones not included) standard microphones.
Does not require any correction for static pressure, humidity and temperature.
Calibration frequency 1000 Hz, level 114dB.
Suitable for all Sound Level Meter.
ACCREDIA calibration certificate according to IEC 60942 included