HP E1411A Service Manual
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HP E1411A Service Manual

5 1/2 digit multimeter
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Click here to Return to HP TS-5400 Systems On-Line Manuals Main Contents
Chapter 1. General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Chapter 2. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Chapter 3. Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Chapter 4. Verification Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
HP E1411A/B 5 1/2 Digit Multimeter Service Manual
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Warnings and Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Multimeter Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Multimeter Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Multimeter Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Multimeter Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Preparation for Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Shipping the Multimeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Multimeter Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Operator's Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Self-Test Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Example: Multimeter Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Test Conditions / Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Verification Test Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Functional Verification Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Example: Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Operation Verification Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Performance Verification Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Performance Test Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Multimeter Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Measurement Uncertainty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Test Accuracy Ratio (TAR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Contents
Edition 2

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Summary of Contents for HP E1411A

  • Page 1: Table Of Contents

    Edition 2 Click here to Return to HP TS-5400 Systems On-Line Manuals Main Contents Chapter 1. General Information ....... . . 11 Introduction .
  • Page 2 Chapter 5. Adjustments ........37 Introduction .
  • Page 3 Calculate DCV Measurement Uncertainty ..... . 68 Calculate ACV Measurement Uncertainty ..... . 69 Calculate Resistance Measurement Uncertainty .
  • Page 4 Notes...
  • Page 5 For warranty service or repair, this product must be returned to a service facility designated by Hewlett-Packard (HP). Buyer shall pre- pay shipping charges to HP and HP shall pay shipping charges to return the product to Buyer. However, Buyer shall pay all shipping charges, duties, and taxes for products returned to HP from another country.
  • Page 6 DO NOT substitute parts or modify equipment: Because of the danger of introducing additional hazards, do not install substitute parts or perform any unauthorized modification to the product. Return the product to a Hewlett-Packard Sales and Service Office for service and repair to ensure that safety features are maintained. HP E1411A/B Service Manual...
  • Page 7 Supplementary Information: The product herewith complies with the requirements of the Low Voltage Directive 73/23/EEC and the EMC Directive 89/336/EEC (inclusive 93/68/EEC) and carries the "CE" mark accordingly. Tested in a typical HP C-Size VXI mainframe configuration. December 30, 1995...
  • Page 8 Notes HP E1411A/B Service Manual...
  • Page 9 Please fold and tape for mailing Reader Comment Sheet HP E1411A/E1411B 5 1/2-Digit Multimeter Service Manual Edition 2 You can help us improve our manuals by sharing your comments and suggestions. In appreciation of your time, we will enter you in a quarterly drawing for a Hewlett-Packard Palmtop Personal Computer (U.S. government employees are not eligible for the drawing).
  • Page 10 HP E1411A/E1411B Service Manual...

  • Page 11: Chapter 1. General Information

    Introduction This manual contains information required to test, adjust, troubleshoot, and repair the HP E1411A and HP E1411B C-Size VXI 5 1/2-Digit Multimeters (HP E1411 multimeter). See the HP E1326A/E1411A User’s Manual or the HP E1326B/E1411B User’s Manual for additional information on the HP E1411 multimeter.

  • Page 12: Warnings And Cautions

    Warnings and This section contains WARNINGS which must be followed for your protection and CAUTIONS which must be followed to avoid damage to the Cautions equipment when performing instrument maintenance or repair. WARNING SERVICE-TRAINED PERSONNEL ONLY. The information in this manual is for service-trained personnel who are familiar with electronic circuitry and are aware of the hazards involved.

  • Page 13: Multimeter Description

    Multimeter The HP E1411 multimeter is an "instrument" in the slots of a VXIbus Description mainframe. As such, it is assigned an error queue, input and output buffers, status registers, and is allocated a portion of mainframe memory for reading storage.

  • Page 14: Multimeter Serial Numbers

    Chapter 7- Manual Changes will explain how to adapt this manual to your instrument. Multimeter Options There are no electrical or mechanical options available for the HP E1411 multimeters. However, for the HP E1411B, you can order Option 1BN that provides a MIL-STD-45662A Calibration Certificate. Contact your nearest Hewlett-Packard Sales and Support Office for information on Option 1BN.

  • Page 15: Chapter 2. Installation

    Hewlett-Packard, and keep the shipping materials for the carrier’s inspection. Preparation for See Chapter 2 of the HP E1326A/E1411A User’s Manual or the E1326B/E1411B User’s Manual to prepare an HP E1411 multimeter for use. See the appropriate mainframe user’s manual(s) to prepare your mainframe.

  • Page 16: Shipping The Multimeter

    Shipping the If you need to return an HP E1411 multimeter to Hewlett-Packard, Multimeter first remove any adapters or connectors before packaging the instrument for shipment. When you return the instrument to Hewlett-Packard, attach a tag to the instrument identifying the owner and indicating service or repair required.

  • Page 17: Chapter 3. Operating Instructions

    Multimeter error messages Register-based programming Operator’s The Operator’s Check for the HP E1411 multimeter consists of sending the Check self-test (*TST?) command and checking the return. The operator’s check can be used to verify the multimeter is connected properly and is responding to the self-test command.

  • Page 18: Example: Multimeter Self-Test

    Verify proper connection and address selection before troubleshooting. Example: An example follows which uses an HP 9000 Series 300 computer with HP BASIC and a multimeter address of 70903. Multimeter Self-Test 10 OUTPUT 70903;"*TST?"...

  • Page 19: Chapter 4. Verification Tests

    It is assumed a qualified, service-trained person will select and connect the cables, adapters, and probes required for the test. Performance Test Table 4-1, Performance Test Record for the HP E1411 Multimeter, at the end of this chapter, provides space to enter the results of each Performance Record Verification test and to compare the results with the upper and lower limits for the test.

  • Page 20: Verification Test Examples

    E1326A/E1411A User’s Manual or the E1326B/E1411B User’s Manual for information on multimeter SCPI commands. Functional The functional verification test for the HP E1411 multimeter consists of the Verification multimeter self-test. You can perform this test to verify the multimeter is...

  • Page 21: Example: Self-Test

    20 ENTER 70903;A !Enter the test result 30 PRINT A !Display the result 40 END Operation There are no separate operation verification tests for the HP E1411 Verification multimeter. Use the Performance Verification tests for post-repair checkout. Tests Performance Performance verification tests are used to check the multimeter’s electrical...
  • Page 22 Equipment Setup Connect the equipment as shown in Figure 4-1. Figure 4-1. DC Voltage (Zero Volt Input) Setup Set the HP E1411 multimeter as follows: Reset Multimeter ..........*RST Auto Zero ..............ON Power Line Cycles (PLC) ..........1 Line Freq Reference (CAL:LFR) ..50Hz or 60Hz NOTE *RST sets Auto Zero to ON and Power Line Cycles to 1.
  • Page 23 Set the HP E1411 range to 0.113 V (0.125 V with 10% over- range) measure the input voltage with MEAS:VOLT:DC? 0.1 Observe the input, record the results on the Performance Test Record, and verify the results are within specified limits (at the range selected for 1 PLC).
  • Page 24 (or rear) panel terminals unless you are sure no dangerous voltage is present. Figure 4-2. DC Voltage (DCV Input) Setup Set the HP E1411 multimeter as follows: Reset Multimeter ..........*RST Auto Zero ..............ON Power Line Cycles (PLC) ...........1 Line Freq Reference (CAL:LFR) ..
  • Page 25 *RST sets Auto Zero to ON and Power Line Cycles to 1. Test Procedure Set the DC Standard Output to 0.1 DCV. Set the HP E1411 range to 0.113 V (0.125 V with 10% overrange) with CONF:VOLT:DC .1 Measure the input with READ? and verify the results are within specified limits (at the range selected for 1 PLC).
  • Page 26 FOR I=1 TO 5 PRINT "Set DC Standard to ";Volts(I);"VDC" PRINT "Press Continue when ready" PAUSE CLEAR SCREEN OUTPUT 70903;"CONF:VOLT:DC";Range(I) !Set DCV, range WAIT 1 !Wait for settling OUTPUT 70903;"READ?" ENTER 70903;Read_meas(I) !Enter DC voltage 180 NEXT I 190 FOR I=1 TO 5 PRINT "Voltage on";Range(I);"V range =";Read_meas(I);"VDC"...
  • Page 27 Test Procedure Set the AC Standard Output to 0.07 Vac at 20 Hz sine wave. Set the HP E1411 range to 79.5 mV (87.5 mV with 10% overrange) using CONF:VOLT:AC .07. Measure the AC input voltage with READ? and verify the results are within specified limits (at the range selected for 1 PLC).
  • Page 28 60 Hz. Change line 80 to OUTPUT 70903;"CAL:LFR 50" for 50 Hz operation. NOTE When connected to the HP E1411 multimeter, some AC Standards may exhibit voltage variations at the start of a measurement. The WAIT 1 statement (line 160) allows settling for the AC Standard output.
  • Page 29 0 and at 50% of full scale. Figure 4-4. Resistance Test Setup Equipment Setup Connect the equipment as shown in Figure 4-4 Set the HP E1411 multimeter as follows: Reset Multimeter ..........*RST Auto Zero ..............ON Power Line Cycles (PLC) ..........1 Chapter 4...
  • Page 30 For best measurement accuracy, you may want to measure the ACTUAL Resistance Standard value. You can do this by recording the front panel display of the resistance value, or measuring the resistance with an HP 3458A multimeter or equivalent. For example, suppose the ACTUAL resistance value for the 1 k setting is 1001.3 .
  • Page 31 Resistance Standard value is different than 1k , 100k , or 1M , replace the Lower Limit and Upper Limit values shown in Table 4-1, Performance Test Record for the HP E1411 Multimeter, with the values computed by the program.

  • Page 32: Performance Test Record

    Performance Table 4-1, Performance Test Record for the HP E1411 Multimeter, is a Test Record form you can copy and use to record performance verification test results for the multimeter. Page 3 of Table 4-1 shows multimeter accuracy, measurement uncertainty and test accuracy ratio (TAR) values. See Appendix A - Calculating Multimeter Accuracy for example calculations of Table 4-1 entries.

  • Page 33: Verification Tests

    Table 4-1. Performance Test Record for the HP E1411 Multimeter (Page 1 of 3) Test Facility: Name Report No. _________________________________________ _____________________________________ Address Date ________________________________________ ___________________________________________ City/State Customer _______________________________________ ______________________________________ Phone Tested by _________________________________________ _____________________________________ Model Ambient temperature ________________________________________ __________________________ Serial No.
  • Page 34 Table 4-1. Performance Test Record for the HP E1411 Multimeter (Page 2 of 3) Model _____________________________ Report No. ____________________ Date ____________________ Test Equipment Used: Model No. Trace No. Cal Due Date Description 1. DATRON 4708 _______________ _______________ _______________ ________________________________ _______________...
  • Page 35 Table 4-1. Performance Test Record for the HP E1411 Multimeter (Page 3 of 3) Model ____________________________ Report No. ____________________________ Date_________________ 90 day Specifications Test Test Measured High Meas Test Acc Input Range Limit Reading Limit Uncert* Ratio (TAR)** DC Voltage (Zero Volts Input) (Values in V) 0.113...
  • Page 36 Notes 36 Verification Tests Chapter 4...

  • Page 37: Chapter 5. Adjustments

    Chapter 5 Adjustments Introduction This chapter contains procedures to adjust the HP E1411 multimeter for peak performance. For best performance, the instrument should be adjusted after repair. All adjustments are performed electrically, so manual adjustment of the multimeter is not necessary.

  • Page 38: Dc Voltage Adjustments

    DC Voltage This procedure adjusts HP E1411 multimeter DC voltage measurement Adjustments accuracy. Equipment Setup Connect the equipment as shown in Figure 5-1. WARNING The DC Standard (Datron 4708, Option 10) can produce dangerous voltages which are present on the terminals. Do not touch the front (or rear) panel terminals unless you are sure no dangerous voltage is present.

  • Page 39: Adjustment Procedure

    *RST sets Auto Zero to ON and Power Line Cycles to 1. Adjustment Procedure Set the DC Standard output to 7.7 V Set the HP E1411 range to 8 V, and adjust the multimeter at 7.7 V using: FUNC:VOLT:DC VOLT:DC:RANG 8 CAL:VAL 7.7...
  • Page 40 When connected to the HP E1411 multimeter, some DC Standards may exhibit voltage variations at the start of a measurement. TRIG:DEL .05 (line 190) adds a 0.8 sec wait before calibration begins to allow settling time for the DC Standard output. TRIG:DEL .05 is used since the input is sampled 16 times before the calibration is performed.

  • Page 41: Ac Voltage Adjustments

    AC Voltage This procedure adjusts the HP E1411 AC voltage measurement accuracy. Adjustments NOTE The DC Voltage adjustment MUST be performed before the AC Voltage adjustment. Equipment Setup Connect the equipment as shown in Figure 5-2 Figure 5-2. AC Voltage Adjustment Setup Set the HP E1411 as follows: Reset Multimeter ............*RST...

  • Page 42: Adjustment Procedure

    *RST sets Auto Zero to ON and Power Line Cycles to 1. Adjustment Procedure Set the AC Standard output to 5.6 Vac at 1 kHz Set the HP E1411 range to 5.6 V, and adjust the multimeter at 5.6 V using: FUNC:VOLT:AC VOLT:AC:RANG 5.6 CAL:VAL 5.6...
  • Page 43 ! AC Voltage Adjustments 10 OUTPUT 70903;"*RST" !Set autozero on and PLC 1 20 OUTPUT 70903;"CAL:LFR 60" !Set 60 Hz line ref frequency 30 Re_try: ! 40 PRINT "Set AC Standard to 5.6 Vac at 1.0 kHz" 50 PRINT "Press Continue when ready" 60 PAUSE 70 CLEAR SCREEN 80 OUTPUT 70903;"FUNC:VOLT:AC"...

  • Page 44: Resistance Adjustments

    Resistance This procedure adjusts the HP E1411 multimeter 4-wire resistance Adjustments measurement accuracy. NOTE The DC Voltage adjustment and the AC Voltage adjustment MUST be performed before the Resistance adjustment. Equipment Setup Connect the equipment as shown in Figure 5-3 Figure 5-3.

  • Page 45: Adjustment Procedure

    *RST sets Auto Zero to ON and Power Line Cycles to 1. Adjustment Procedure Set the Resistance Standard to 1 k . Set the HP E1411 range to 2 k , and adjust the multimeter at 1 k using: FUNC:FRES...

  • Page 46: Example: 4-Wire Resistance Adjustments

    Example: 4-Wire This example performs a 4-wire ohms resistance adjustment for a power line reference frequency of 60 Hz. Change line 80 to OUTPUT Resistance 70903;"CAL:LFR 50" for 50 Hz operation. If a calibration error occurs, the Adjustments program displays the calibration error and prompts you to repeat the adjustment (see Table 5-1 for a list of calibration errors).

  • Page 47: Calibration Errors

    Table 5-1 summarizes calibration error numbers, titles and descriptions for Errors the HP E1411 multimeter. Note that an error is returned if the adjustment (calibration) standard used is outside the calibration range of the multimeter (between [0.5 full scale and full scale]).
  • Page 48 Notes 48 Adjustments Chapter 5...

  • Page 49: Chapter 6. Replaceable Parts

    Information Hewlett-Packard Sales and Support Office. Replaceable Table 6-1, HP E1411A Replaceable Parts, lists replaceable parts for the HP Parts List E11411A multimeter. See Figure 6-1 (page 6-3) for locations of parts listed in Table 6-1. Table 6-2, HP E1411B Replaceable Parts, lists replaceable parts for the HP E11411B multimeter.

  • Page 50: Replaceable Parts

    Table 6-1. HP E1411A Replaceable Parts Reference* HP Part Description Mfr** Mfr Part Number Designator Number Code EXCHANGE ASSEMBLIES E1411-66201 E1411A Multimeter Module (New) 28480 E1411-66201 E1411-69201 E1411A Multimeter Module (Exchange) 28480 E1411-69201 E1411-66501 MULTIMETER PCA [a] 28480 E1411-66501 Fuse - Sub Miniature - 4A...
  • Page 51 Figure 6-1. HP E1411A Replaceable Parts Chapter 6 Replaceable Parts 51...
  • Page 52 Table 6-2. HP E1411B Replaceable Parts Reference* HP Part Description Mfr** Mfr Part Number Designator Number Code EXCHANGE ASSEMBLIES E1411-66511*** E1411B Multimeter Module (New) 28480 E1411-66511 E1411-69511*** E1411B Multimeter Module (Exchange) 28480 E1411-69511 E1411-66511 MULTIMETER PCA [a] 28480 E1411-66511 Fuse - Sub Miniature - 4A...
  • Page 53 Figure 6-2. HP E1411B Replaceable Parts Chapter 6 Replaceable Parts 53...
  • Page 54 J ....electrical connector (jack) SHD ........... shield JM ..electrical connector (header) SP ..........switch K ...........relay XU ....socket, integrated circuit Table 6-4. HP E1411 Code List of Manufacturers Mfr Code Manufacturer Name Address 00000 Any satisfactory supplier...

  • Page 55: Chapter 7. Manual Changes

    Since this manual applies directly to instruments with serial numbers listed on the title page, change information is not required. See Multimeter Serial Numbers in Chapter 1 - General Information for HP E1411 multimeter serial number information. Chapter 7 Manual Changes 55...
  • Page 56 56 Manual Changes Chapter 7...

  • Page 57: Chapter 8. Service

    Size T-15 Torx 8710-1816 Service Aids There are no test points or manual adjustment locations for the HP E1411 multimeter. Service aids on printed circuit boards include pin numbers, some reference designations, and assembly part numbers. See Chapter 6 - Replaceable Parts for descriptions and location of HP E1411 replaceable parts.

  • Page 58: Troubleshootingtechniques

    Troubleshooting There are two main steps to troubleshoot an HP E1411 multimeter Techniques problem: (1) identify the problem, and (2) test assemblies to isolate the cause to a user-replaceable component. Identifying the Multimeter problems can be divided into four general categories:...

  • Page 59: Testing Assemblies

    You can use the tests and checks in Table 8-3 to isolate the problem to a user-replaceable part on the multimeter frame or PCA. See Figure 6-1 (HP E1411A) or Figure 6-2 (HP E1411B) in Chapter 6 - Replaceable Parts for locations of user-replaceable parts.

  • Page 60: Repair Guidelines

    Next, remove the Top Shield (see "Removing Top Shield" for instructions). Then, see Table 8-3 for guidelines to isolate the problem to a user-replaceable part. Repair This section gives guidelines to repair the HP E1411 multimeter, including: Guidelines ESD precautions Removing top shield...

  • Page 61: Removing Top Shield

    Do not use pliers to remove a MOS or CMOS device from a high-grip socket. Instead, use a small screwdriver to pry the device up from one end. Slowly lift the device up, one pair of pins at a time. After you remove a MOS or CMOS device from an assembly, place the device onto a pad of conductive foam or other suitable holding material.

  • Page 62: Removing Front Panel

    NOTE When reinstalling the top shield, verify that the slots are aligned with the tabs, then set the top shield into place. Removing Front Use the following steps to remove the front panel and bottom shield from the printed circuit assembly (PCA). See Figure 8-2 for component locations. Panel Remove Torx T8 screw from front panel Remove two Torx T8 screws from PCA...

  • Page 63: Removing Binding Posts

    Removing Binding Use the following steps to remove the HP E1411 front panel binding posts (MP3, MP4, MP5, and MP6) (see Figure 8-3). Posts Unsolder wire Remove the 3/8-32 nut and spring washer Remove the binding post Reverse the order to reinstall the binding posts Figure 8-3.

  • Page 64: Post-Repair Safety Checks

    CMOS devices. Post-Repair Safety After making repairs to the HP E1411 multimeter, inspect the multimeter for any signs of abnormal internally generated heat, such as discolored Checks printed circuit boards or components, damaged insulation, or evidence of arcing.

  • Page 65: Appendix A. Calculating Multimeter Accuracy

    (TAR) values are defined and calculated for the performance verification tests for the HP E1411 multimeter. See Table 4-1, "Performance Test Record for the HP E1411 Multimeter" for 90-day specification values of multimeter accuracy, measurement uncertainty, and test accuracy ratios (TARs).

  • Page 66: Multimeter Accuracy Calculations

    Aperture = 16.7 msec (60 Hz) or 20 msec (50 Hz) Autozero ON DC Voltage From Appendix A - Specifications of the HP E1326A/E1411A User’s Manual or the E1326B/E1411B User’s Manual, DC voltage 90-day Accuracy Equations accuracy = (% of reading + volts). The accuracy equations for the ranges...

  • Page 67: Ac Voltage Accuracy Equations

    AC Voltage From Appendix A- Specifications of the HP E1326A /E1411A or E1326B /E1411B User’s Manual, AC voltage 90-day accuracy = (% of reading + Accuracy Equations volts). The accuracy equations for the ranges, frequencies and apertures used in the performance verification tests are:...

  • Page 68: Measurement Uncertainty Calculations

    Measurement Measurement uncertainties for the Datron 4708 source are calculated using Uncertainty the 90-day accuracy specifications in the Datron 4708 User’s Handbook: Calculations Measurement Uncertainty = Datron Accuracy + Calibration Uncertainty, where Datron Accuracy (ppm) = Accuracy Relative to Calibration Standards = (ppm OUTPUT + ppm FS) and FS = 2 x range for all ranges except 1000V FS = 1100 for the 1000V range...

  • Page 69: Calculate Acv Measurement Uncertainty

    Calculate ACV From Section 6 - Specifications of the Datron 4708 User’s Handbook , AC Voltage (Option 20) Accuracy (90 days since calibration and 23 Measurement where Datron Accuracy = (ppm OUTPUT + ppm FS). Uncertainty Datron Datron Datron Datron Calibration Output Range...

  • Page 70: Test Accuracy Ratio (Tar) Calculations

    Test Accuracy For the HP E1411 multimeter, Test Accuracy Ratio (TAR) = [High Limit Ratio (TAR) - Input Value]/Measurement Uncertainty where the source input value is in DCV, ACV, or Ohms. Calculations Example: Calculate DCV Test Accuracy Ratio For a 7.0 DCV measurement if the High Limit value = 7.000750 DCV and the Measurement Uncertainty = .0000115 DCV, Test Accuracy Ratio...

  • Page 71: Appendix B. Verification Tests - C Programs

    Appendix B Verification Tests - C Programs Functional This program is designed to do the Functional Verification Test found in Chapter 4 - Verification Tests. Verification Test Example:Self Test This example performs a multimeter self-test to ensure that the multimeter is communicating with the mainframe, external controller, and/or external terminal.

  • Page 72: Performance Verification Tests

    /* Zero Volt DCV Test E1411A/B */ #include <stdio.h> #include <sicl.h> #define ADDR "hpib7,9,03" /* Address of HP E1326B */ void main (void) INST id; /* Define id as an instrument */ char volt[256] = {0}; /* Result variable */ #if defined(__BORLANDC__) &&...

  • Page 73: Example: Dc Voltage Test

    /* DC Voltage Test (DCV Input) E1411A/B */ #include <stdio.h> #include <sicl.h> #define ADDR "hpib7,9,03" /* Address of HP E1326B */ void main () INST id; /* Define id as an instrument */ float range[5] = {0.113, 0.910, 7.270, 58.10, 300.0};...

  • Page 74: Example: Ac Voltage Test

    /* AC Voltage Test E1411A/B */ #include <stdio.h> #include <sicl.h> #define ADDR "hpib7,9,03" /* Address of HP E1326B */ void main () INST id; /* Define id as an instrument */ float source_volts[5] = {0.07, 0.07, 0.07, 0.07, 300.0}; float source_freq[5] = {20, 60, 5000, 10000, 5000};...

  • Page 75: Example: Resistance Test

    /* Resistance Test (4-wire Ohms) E1411A/B */ #include <sdtio.h> #include <sicl.h> #define ADDR "hpib7,9,03" /* Address of HP E1326B */ void main () INST id; /* Define id as an instrument */ float range[3] = {1861, 119156, 1048576}; float source[3] = {1000, 100000, 1000000};...

  • Page 76: Adjustments

    "adjustment complete" message. If a calibration error occurs, the program displays the calibration error and prompts you to repeat the adjustment (see Table 5-1 for a list of calibration errors). /* DC Voltage Adjustments E1411A/B */ #include <stdio.h> #include <sicl.h> #define ADDR "hpib7,9,03"...

  • Page 77: Ac Voltage Adjustments

    If a calibration error occurs, the program displays the calibration error and prompts you to repeat the adjustment (see Table 5-1 for a list of calibration errors). /* AC Voltage Adjustments E1411A/B */ #include <sdtio.h> #include <sicl.h> #define ADDR "hpib7,9,03"...

  • Page 78: Resistance Adjustments

    60 Hz. If a calibration error occurs, the program Adjustments displays the calibration error and prompts you to repeat the adjustment (see Table 5-1 for a list of calibration errors). /* 4-wire Resistance Adjustments E1411A/B */ #include <stdio.h> #include <sicl.h> #define ADDR "hpib7,9,03" /* Address of device */ void main () INST id;...

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