1-26
Instruction Manual, Model 893A/AR AC-DC Differential Voltmeter, NAVSEA 0969-LP-279-7010, Naval
Sea Systems Command, Washington, D.C., 1969.
Operation and Maintenance Instruction, Current Tracer 547A, NAVAIR 16-45-3103, Naval Air Systems
Command, Washington, D.C., 1979.
Operation and Maintenance Instructions, Volt-Ohm-Milliammeter, 260 Series 6P, NAVSEA 0969-LP-
286-1010, Naval Sea Systems Command, Washington, D.C., 1974.
ANSWERS TO QUESTIONS Q1. THROUGH Q16.
A-1.
Its calibration.
A-2.
10 to 1
A-3.
Increased input impedance, greater accuracy, and increased voltage range.
A-4.
Midscale.
A-5.
Accuracy and high input impedance.
A-6.
The range of frequencies that can accurately be measured.
A-7.
At least 60% of the vertical trace.
A-8.
Decreased internal meter resistance, greater accuracy, and greater current range.
A-9.
Current probes enable you to perform current measurements without disconnecting wires.
Current probes are clamped around the insulated wire.
A-10.
By zeroing the meter with the test leads shorted.
A-11.
The current flow through the component is limited to 1 milliamp.
A-12.
True.
A-13.
Bridge type.
A-14.
Magnetic-metal core.
A-15.
A capacitor.
A-16.
Directly proportional.
