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PULSAR INSTRUMENTS Model 85 Sound Level Meter w/ Calibrator and Accuro Pump

Extech 407766 Sound Calibrator 94/114dB for 0.5" and 1" Microphones

Larson Davis CAL250 Precision Acoustic Calibrator 114dB 250Hz

Transmation Inc. Model 1040 PPS Digital Calibrator, w/ Case

Yokogawa YPC4010 Pressure Calibrator