Telecommunication syste test set (NSN 6625-00-648-8745)
Width
8.750 inches
Length
9.000 inches
Dc Voltage Rating
Between 4.5 volts and 22.5 volts
Electrical Power Source Relationship
Operating
Internal Battery Accommodation
Included
Material And Location
Steel housing
Inclosure Feature
Single item w/housing
Test Type For Which Designed
Calling in signalling indentification of conductors in a cable tone testing
Operating Test Capability
Vacuum tube oscillator, 5oo cycle tone, 7 cycle warble frequency
Functional Description
Used as a tone source and switching center to identify conductors and perform exploring coil tests on exchange cables. Also used as battery and tone source for wheatstone bridge measurements