The SV 111 vibration calibrator is designed in accordance to ISO 8041 for calibration of accelerometers dedicated for human vibration measurements. SV 111 is a multi-frequency calibrator providing following frequencies 16Hz, 80Hz and 160Hz.
SV 30A type 1, two levels acoustic calibrator peforming excellent stability of the calibration levels and their frequency. SV 30A calibrator it's an exceptional price versus performance ratio on the world market.
SV 31 type 1, one level acoustic calibrator dedicated for 1/2" microphones. Calibration of 1/4" microphones is possible thanks to SA 30 diameter reduction.