NSN 6625-01-478-2555

Part Details | AUDIO LEVEL CALIBRATOR

6625-01-478-2555 An item that, when used with an associated audio frequency signal generator, determines by comparison the output level of an audio frequency voltage. The meter is marked in volts or submultiples thereof. For items utilizing a meter the scale of which is marked in decibels or comparable units, and which do not require a driving oscillator, see METER, AUDIO LEVEL. See also METER, MODULATION and METER, S-UNITS.

Alternate Parts: 4226, 6625-01-478-2555, 01-478-2555, 6625014782555, 014782555

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66SEP 01, 200001-478-255521986 ( CALIBRATOR, AUDIO LEVEL )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6625-01-478-2555
Part Number Cage Code Manufacturer
42260B0V0SPECTRIS TECHNOLOGIES INC.
Technical Data | NSN 6625-01-478-2555
Characteristic Specifications
CALIBRATION ACCURACY RATINGPOM 0.1DB FOR EQUAL TO OR LESS THAN 8KHZ, POM 0.2DB FOR GREATER THAN 8KHZ
DC VOLTAGE RATING0.5 VOLTS MINIMUM AND 1.5 VOLTS MAXIMUM
OVERALL LENGTH10.400 INCHES NOMINAL
OVERALL WIDTH4.900 INCHES NOMINAL
OVERALL HEIGHT2.400 INCHES NOMINAL
SPECIAL FEATURESMFG NAME IS MULTIFUNCTION ACOUSTIC CALIBRATOR. OPERATES ON FOUR 1.5 VOLT ALKALINE BATTERIES, OR NI-CD CELLS IEC LR6, ALSO HAS A BATTERY LOW LED. INCLUDED ITEMS ARE 1/2" MICROPHONE ADAPTOR P/N DP 0681, 1/4" MICROPHONE ADAPTOR P/N DP0781, 2.5MM MINI JACK PLUG 2EA. P/N JP0213, 4 EA. ALKALINE BATTERIES, INSTRUCTION MANUAL. SOME OF THE USES ARE CALIBRATION AND COMPREHENSIVE CHECK OF 1/2" AND 1/4"MICROPHONE SET-UPS AND ACOUSTIC INSTRUMENTS COMPLYING WITH IEC651 AND ANSIS 1.4-1983 SUCH AS SOUND LEVEL METERS, DOSE METERS ECT ALSO CHECKS OF FILTER SETS AND OTHER FREQUENCY-DEPENDENT INSTRUMENTS.FREQUENCY RANGE TONES FROM31.5HZ TO 16KHZ IN OCTAVE STEPS, PLUS TONE AT12.5KHZ
END ITEM IDENTIFICATIONUSED AS PART OF U9801 SOUND CALIBRATION SYSTEM 6625-01-373-0032