Display counts: 99, 999 count lcd; range (rpm): photo: 10 to 99, 999 contact: 0.5 to 20, 000; m/min: 0.05 to 1999.9 (contact) basic accuracy: ?(0.05%rdg+ 1 digit); max rpm resolution: 0.1rpm; weight: 10.6oz (300g); temperature (ir): ): -4 to 600 degrees f (-20 to 315 degrees c)
No other part numbers with same form, fit, and function found.
A tachometer using solid state and/or vacuum tube circuitry.
NSN 6650-01-186-0975
NSN 6135-01-453-3201
NSN 5999-01-602-9652
NSN 5998-01-455-5918
NSN 5910-01-252-4544
NSN 6145-01-259-9833
NSN 5996-00-006-4284
NSN 5835-01-313-7054
NSN 5960-01-468-6508
NSN 5930-01-517-0889
NSN 5915-01-277-7083
NSN 6620-01-192-3083