This manual contains copyrighted material prepared by the Hewlett-Packard Co.
TM 11-6625-1614-15
TECHNICAL MANUAL
HEADQUARTERS
DEPARTMENT OF THE ARMY
No. 11-6625-1614-15)
W
ASHINGTON
, DC, 28 August 1967
ORGANIZATIONAL, DS, GS, AND DEPOT MAINTENANCE MANUAL
HEWLETT–PACKARD ELECTRONIC VOLTMETER
MODEL 410C
(NSN 6625-00-969-4105)
Section
I
GENERAL
1-A.1.
1-A.2.
1-A.3.
1-A.4.
1-A.5.
1-A.6.
1-1.
1-4.
INFORMATION -------------------------------------------------------------------------------------------
Scope --------------------------------------------------------------------------------------------------------
Index of Publications ------------------------------------------------------------------------------------
Maintenance Forms, Records, and Reports ---------------------------------------------------------
Reporting Errors and Recommending Improvements --------------------------------------------
Reporting Equipment Improvement Recommendations (EIR)---------------------------------
Administrative Storage ----------------------------------------------------------------------------------
Description -------------------------------------------------------------------------------------------------
Accessories Available ------------------------------------------------------------------------------------
II INSTALLATION ----------------------------------------------------------------------------------------------------------
2-1.
Inspection ---------------------------------------------------------------------------------------------------
2-3.
Installation -------------------------------------------------------------------------------------------------
2-5.
Rack Mounting --------------------------------------------------------------------------------------------
2-9.
Three - Conductor Power Cable ----------------------------------------------------------------------
2-12.
Primary Power Requirements --------------------------------------------------------------------------
2-14. Repackaging for Shipment ------------------------------------------------------------------------------
III OPERATION ---------------------------------------------------------------------------------------------------------------
3-1.
Introduction ------------------------------------------------------------------------------------------------
3-3.
Adjustment of Mechanical Zero----------------------------------------------------------------------
3-5.
Front and Rear Panel Description ---------------------------------------------------------------------
3-7.
Operating Procedures ------------------------------------------------------------------------------------
3-9.
DC Voltage Measurements (Figure 3-2)-------------------------------------------------------
3-11. DC Current Measurements (Figure 3-3)-------------------------------------------------------
3-13.
AC Voltage Measurements (Figure 3-4) -------------------------------------------------------
3-15. Precautions When Measuring AC Voltage ----------------------------------------------------
3-28.
Negative Pulses --------------------------------------------------------------------------------------------
3-31. Measuring Resistance (Figure 3-7) --------------------------------------------------------------------
3-33. Measuring DC Nano-Ampere Current (Figure 3-8) -----------------------------------------------
IV
THEORY OF OPERATION ---------------------------------------------------------------------------------------------
4-1.
Overall Description ---------------------------------------------------------------------------------------
4-4.
Circuit Description ---------------------------------------------------------------------------------------
4-5.
Input Network ---------------------------------------------------------------------------------------
4-16.
Modulator - Demodulator ------------------------------------------------------------------------
4-23.
The Feedback Network ----------------------------------------------------------------------------
4-27.
Power Supply ----------------------------------------------------------------------------------------
V
MAINTENANCE ----------------------------------------------------------------------------------------------------------
5-1.
Introduction -----------------------------------------------------------------------------------------------
5-3.
Test Equipment Required -------------------------------------------------------------------------------
5-5.
Performance Checks -------------------------------------------------------------------------------------
Change
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