Audio Level Calibrator

Features

Specifications

• Overall Height:
  67.0 millimeters
• Overall Width:
  165.0 millimeters
• Furnished Items And Quantity:
  9 volt alkaline battery; coupler adapter for microphone's, 3 spare dessicant kits, instruction manual
• Unpackaged Unit Weight:
  1.000 kilograms
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-01-090-6262
• Special Features:
  Output sound pressure levels: 74, 84, 94, 104, 114 db; actual output frequency: 125.9, 251.2, 501.2, 1000.0, 1995.0, 3981.0 hz porm 3 pct; portable; dust and moisture proof; enclosed in plastic case except for test cavity; 8 hour min. Operation; battery test: internal circuitry check, automatic shutdown when voltage is too low; operating temperature: m10.0/p50.0 deg. C; microphone coupling: transducer cavity accomodates the following 1 in. Microphones (not included): electret condenser pn's gr1961 and 1971; western electric pn 640aa; toko rika pn mr103