6625-00-643-3146 (M0DEL146-S03673)
NSN 6625-00-643-3146 (NIIN 00-643-3146) is an audio level meter in Federal Supply Class 6625, Electrical And Electronic Properties Measuring And Testing Instruments — an instrument which measures the ratio of electrical power with reference to a predetermined value and is calibrated in units of sound intensity. Manufacturer part number M0DEL146-S03673; also referenced as MODEL146-S03673 (Simpson Electric Company, Inc.); 203-4 (Jewell Instruments LLC); 2DU347 (American Instrument Corp); A3-236B (Espey Mfg And Electronics Corp), plus 2 more in the reference table below.
Key specs: zero adjuster; AC circuit current for which designed; external power source; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $233.10 gov standard price; export Schedule B 9030.90.8030.