Genrad 1562-a permissible sound level calibrator 1562A

Genrad 1562-a permissible sound level calibrator 1562A

+GENRAD 1562-A PERMISSIBLE SOUND LEVEL CALIBRATOR
Selling one recently acquired General Radio (GENRAD) Permissible Sound Levle Calibrator in Exellent Physical and Mechanical Condition - Guaranteed. Unit Powers Up with Good Battery Strength. General Radio 1562A Sound Level Calibrator Provides 5 frequencies from 125 to 2000 Hz with 0.3 dB @ 500 Hz accuracy. Sound pressure level: 114 dB re 20uPa. This unit was last calibrated on 21 aug 07 and Calibration good till 16 aug 2007. Package includes detailed calibration information.
Two Microphone Adaptor (P/N: 1562-6130) - Adapts Instrument to 1/2" Diameter Microphone
One Microphone Adaptor (P/N: 1562-6100) - Adapts Microphone to 1" Diameter Microphone
One Hard Case - Holds Instrument and Accessories
One Calibration information sheet