HP 410C - Service Manual

TM 11-6625-1614-15
DEPARTMENT OF THE ARMY TECHNICAL MANUAL
ORGANIZATIONAL, DS, GS,
AND DEPOT MAINTENANCE MANUAL
HEWLETT-PACKARD
ELECTRONIC VOLTMETER
MODEL 410C
This copy IS a reprint which includes current
pages from Change 1.
HEADQUARTERS, DEPARTMENT OF THE ARMY
AUGUST 1967

HP 410C Specifications

General

Model	410C
Category	Measuring Instruments
Type	Vacuum Tube Voltmeter
Manufacturer	Hewlett-Packard
Power Supply	115/230 VAC, 50/60 Hz
Dimensions	8.5 x 10.5 x 6.5 inches (216 x 267 x 165 mm)

Summary

Installation Procedures

Operation

DC Voltage Measurements

Step-by-step guide for measuring DC voltages using the instrument.

DC Current Measurements

Step-by-step guide for measuring DC currents with the instrument.

AC Voltage Measurements

Step-by-step guide for measuring AC voltages using the instrument and AC probe.

Resistance Measurement

Step-by-step guide for measuring resistance using the instrument.

DC Nano-Ampere Current Measurement

Procedure for measuring very small DC currents (nano-amperes).

Maintenance

Performance Checks

Procedures to verify instrument performance against specifications.

Mechanical Zero and DC Voltmeter Checks

Procedures for mechanical zeroing and DC voltmeter accuracy/resistance checks.

DC Ammeter and Ohmmeter Checks

Procedures for DC ammeter and ohmmeter accuracy/resistance checks.

Amplifier Performance Checks

Checks for amplifier gain, noise, and output impedance.

AC Voltage Measurement Checks

Adjustment and Calibration Procedures

Comprehensive guide for adjusting and calibrating the instrument's various functions.

Troubleshooting Procedure

Procedures for diagnosing and resolving instrument malfunctions using symptoms and tables.