TM 11-6625-1614-15

Section

 

 

Page

5

- 7 .

Alternate Voltage Source --------------------------------------------------------------------------

5- 1

5

- 9 .

Mechanical Meter Zero ----------------------------------------------------------------------------

5-1

5

- 1 0 .

DC Voltmeter OWration --------------------------------------------------------------------------

5-1

5

- 1 3 .

DC Ammeter Operation ---------------------------------------------------------------------------

5-2

5

- 1 6 .

Ohmmeter Operation ------------------------------------------------------------------------------

5-4

5

- 1 7 .

Amplifier Operation --------------------------------------------------------------------------------

5-4

5 - 2 1 .

DC Amplifier Output Impedance Check -------------------------------------------------------

5-5

5 - 2 2 .

AC Voltmeter Operation --------------------------------------------------------------------------

5-5

5

- 2 6 .

Adjustment and Calibration Prmedure --------------------------------------------------------------

5-8

5

- 2 8 .

Chopper Frequency Adjust -----------------------------------------------------------------------

5-8

5

- 2 9 .

Power Supply Adjustment ------------------------------------------------------------------------

5-9

5

- 3 0 .

DC Zero Adjustment and Bias -------------------------------------------------------------------

5-10

5 - 3 1 .

DC Amplifier Output Adjust ---------------------------------------------------------------------

5-10

5 - 3 3 .

Ohms Adjust (R3)-----------------------------------------------------------------------------------

5-11

5 - 3 4 .

AC Zero Adjust -------------------------------------------------------------------------------------

5-12

5 - 3 5 .

AC Full Scale Adjust (.5 V Range) --------------------------------------------------------------

5-12

5

- 3 6 .

Troubleshooting Procedure -----------------------------------------------------------------------------

5-12

5 - 4 5 .

Servicing Etched Circuit Boards -----------------------------------------------------------------

5-14

5 - 4 8 .

Chopper, Assembly Installation -----------------------------------------------------------------

5-15

LIST OF TABLES

Number

 

 

1-1.

Specifications ------------------------------------------------------------------------------------------------------------

1-3

3-1.

Possible Eror When Measuring Voltage of Complex Waveforms -------------------------------------------

3-3

5-1.

Recommended Test Equipment -------------------------------------------------------------------------------------

5-0

5-2.

DCV Accuracy Test ----------------------------------------------------------------------------------------------------

5-2

5-3.

DCV Input Resistance Test -------------------------------------------------------------------------------------------

5-3

5-4.

DCA Accuracy Test ----------------------------------------------------------------------------------------------------

5-3

5-5.

Deleted

 

5-6.

AC Accuracy Test ------------------------------------------------------------------------------------------------------

5-6

5-7.

Power Supply Test -----------------------------------------------------------------------------------------------------

5-9

5-8.

AC Full Scale Adjust --------------------------------------------------------------------------------------------------

5-13

5-9.

Front Panel Troubleshooting Prmedure --------------------------------------------------------------------------

5-16

5-10.

Troubleshooting Prwedure ------------------------------------------------------------------------------------------

5-17

LIST OF ILLUSTRATIONS

The Model 410C Electronic Voltmeter The Combining Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Steps to Place Instrument in Combining Case--------------------------------------------------------------------

Adaptor Frame Instrument Combination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TWO Half Modules in Rack Adaptor -------------------------------------------------------------------------------

Front and Rear Panel Controls --------------------------------------------------------------------------------------

DC Voltage Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DC Current Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AD Voltage Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maximum AC Voltage Chart for 11036A Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graph Used in Calculation of Pulse Voltage Readings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Resistance Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DC Nano-Ampere Current Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Block Diagram, Model 410C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Modulator - Demodulator Mechanical Analogy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Simplified Schematic, DC Current Measurement ---------------------------------------------------------------

ii