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Tektronix, Inc. DMM4050 Technical Reference

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DMM4040 and DMM4050
Digital Multimeter
Technical Reference
077-0362-01

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Summary of Contents for Tektronix, Inc. DMM4050

  • Page 1 DMM4040 and DMM4050 Digital Multimeter Technical Reference 077-0362-01...
  • Page 2 Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or suppliers, and are protected by national copyright laws and international treaty provisions. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material.

  • Page 3: Table Of Contents

    Table of Contents Chapter Title Page Introduction and Specifications ............1-1 Introduction ......................1-3 General Safety Summary ................... 1-4 To Avoid Fire or Personal Injury .............. 1-4 Symbols and Terms ................... 1-7 Safety and Electrical Symbols ..............1-7 Description of IEC 61010 Measurement Categories ......... 1-8 Organization of the Calibration Manual ............
  • Page 4 DMM4040 and DMM4050 Technical Reference Input Characteristics .................. 1-15 4040/4050 Accuracy ................. 1-16 Additional Ohms Errors ................1-16 DC Current ....................1-16 Input Characteristics .................. 1-16 Accuracy (4040/4050) ................1-17 Additional Current Errors ................. 1-17 AC Current ....................1-18 Input Characteristics .................. 1-18 4040/4050 Accuracy .................
  • Page 5 2-Wire Ohms Verification ................3-17 2X4 Test Lead Verification Steps ..............3-18 Rear Panel Terminal Verification Steps ............3-19 Capacitance Verification Steps (DMM4050 only) ........3-21 DC Current Verification Steps ..............3-23 AC Current Verification Steps ..............3-25 Adjustment (Calibration) ................... 3-27 Unlocking the Meter for Adjustments (Calibration) ........
  • Page 6 DMM4040 and DMM4050 Technical Reference...
  • Page 7 DMM4040/4050 4-Wire Ohms Verification Steps ..........3-16 3-9. DMM4040/4050 2-Wire Ohms Verification Steps ..........3-18 3-10. DMM4050 Rear-Panel Terminal Verification Steps (Optional Test) ....3-20 3-11. DMM4040 Rear-Panel Terminal Verification Steps (Optional Test) ....3-20 3-12. DMM4050 Capacitance Verification Steps ............3-22 3-13.
  • Page 8 DMM4040 and DMM4050 Technical Reference...
  • Page 9 List of Figures Figure Title Page 1-1. IEC 61010 Measurement Category (CAT) Levels ..........1-8 2-1. Line Fuse Replacement ..................2-5 2-2. Current Input Fuse Replacement ................2-6 3-1. DC Volts Test Equipment Setup with 5520A ............3-7 3-2. DC Volts Ratio Test Equipment Setup with 5520A and 5720A ......3-10 3-3.
  • Page 10 DMM4040 and DMM4050 Technical Reference viii...

  • Page 11: Introduction And Specifications

    Chapter 1 Introduction and Specifications Title Page Introduction ......................1-3 General Safety Summary ................... 1-4 Organization of the Calibration Manual ............1-8 Chapter 1 – Introduction and Specifications ..........1-9 Chapter 2 – General Maintenance ..............1-9 Chapter 3 – Performance Test and Calibration..........1-9 Operating Instructions ..................
  • Page 12 DMM4040/4050 Technical Reference Manual 90-Day and 1-Year Accuracy ................ 1-22 Temperature Coefficients ................1-22 Configuring for Highest Accuracy Measurements ..........1-22 DC Voltage, DC Current, and Resistance Measurements ......1-22 AC Voltage and AC Current Measurements: ..........1-22 Frequency and Period Measurements: ............1-22...

  • Page 13: Introduction

    For portability, these multimeters include a carrying handle that also serves as a bail for bench top operation. There are a few additional features in the DMM4050 that are not present in the DMM4040. These features will be identified with the annotation of “4050 Only” by each feature that is found only in that model.

  • Page 14: General Safety Summary

    DMM4040/4050 Technical Reference Manual General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any other products connected to it. To avoid potential hazards, use this product only as specified. Only qualified personnel should perform service procedures. While using this product, you may need to access other parts of a larger system.
  • Page 15 Introduction and Specifications General Safety Summary Do Not Operate With Suspected Failures. If you suspect that there is damage to this product, have it inspected by qualified service personnel. Avoid Exposed Circuitry. Do not touch exposed connections and components when power is present.
  • Page 16 DMM4040/4050 Technical Reference Manual • Use caution when working with voltages above 30 V ac rms, 42 V ac peak, or 42 V dc. These voltages pose a shock hazard. • Use only the replacement fuse(s) specified by the manual. •...

  • Page 17: Symbols And Terms

    Introduction and Specifications General Safety Summary Symbols and Terms The following terms and safety and electrical symbols may appear in the manual or on the product: A  Warning statement identifies conditions or practices that could result in injury or death. A ...

  • Page 18: Description Of Iec 61010 Measurement Categories

    DMM4040/4050 Technical Reference Manual Description of IEC 61010 Measurement Categories The IEC 61010 safety standard defines four Overvoltage (Installation) Categories (CAT I to CAT IV) based on the magnitude of danger from transient impulses as shown in Figure 1-1. cat_levels.eps Figure 1-1.

  • Page 19: Chapter 1 - Introduction And Specifications

    Table 1-1. Accessories Model / Part Description Number TL710 Premium Test Lead Set 196-3520-00 TP750 100 Ohm RTD Temperature Probe (DMM4050 only) 013-0369-00 Calibration fixture; 4 terminal shorting bar Y8846S Rack Mount Kit Single Y8846D Rackmount Kit Dual TL705 2X4 Wire Ohm Precision Test Leads...

  • Page 20: General Specifications

    DMM4040/4050 Technical Reference Manual General Specifications Power Voltage 100 V Setting ............90 V to 110 V 120 V Setting ............108 V to 132 V 220 V Setting ............198 V to 242 V 240 V Setting ............216 V to 264 V Frequency ...............

  • Page 21: Electrical

    Introduction and Specifications Electrical Specifications Electrical Input Protection ............1000 V all ranges Overrange ............... 20 % on all ranges except 1000 V dc, 1000 V ac Diode, and 10 A ranges Remote Interfaces RS-232C, DTE 9-pin, 1200 to 230400 baud (RS-232C to USB cable available to connect the Meter to a PC USB port. See Accessories) IEEE 488.2 LAN and “Ethernet 10/100 base T with DHCP (for IP_ADDRess) option”...

  • Page 22: 4050 Accuracy

    DMM4040/4050 Technical Reference Manual 4050 Accuracy Accuracy is given as ± (% measurement + % of range) Temperature 24 Hour 90 Days 1 Year Coefficient/ °C Range (23 ±1 °C) (23 ±5 °C) (23 ±5 °C) Outside 18 to 28 °C 100 mV 0.0025 + 0.003 0.0025 + 0.0035...

  • Page 23: Input Characteristics

    Introduction and Specifications Electrical Specifications Input Characteristics Resolution Range Resolution Input Impedance 4½ Digits 5½ Digits 6½ Digits 10 µV 1 µV 100 mV 100.0000 mV 100 nV 100 µV 10 µV 1 µV 1.000000 V 1 MΩ ±2 % shunted 100 µV 10 µV 10 V...

  • Page 24: Additional Low Frequency Errors

    DMM4040/4050 Technical Reference Manual Additional Low Frequency Errors Error is stated as % of reading. AC Filter Frequency 3 HZ (slow) 20 HZ (medium) 200 HZ (fast) 10 – 20 Hz 0.25 – 20 – 40 Hz 0.02 – 40 – 100 Hz 0.01 0.55 100 –...

  • Page 25: 4040/4050 Accuracy

    Introduction and Specifications Electrical Specifications 4040/4050 Accuracy Accuracy is given as ± (% measurement + % of range) Temperature 24 Hour 90 Days 1 Year Coefficient/ °C Range (23 ±1 °C) (23 ±5 °C) (23 ±5 °C) Outside 18 to 28 °C 10 Ω...

  • Page 26: Accuracy (4040/4050)

    DMM4040/4050 Technical Reference Manual Accuracy (4040/4050) Accuracy is given as ± (% measurement + % of range) Temperature 24 Hour 90 Days 1 Year Coefficient/ °C Range (23 ±1 °C) (23 ±5 °C) (23 ±5 °C) Outside 18 to 28 °C 100 µA 0.01 + 0.02 0.04 + 0.025...

  • Page 27: Ac Current

    Introduction and Specifications Electrical Specifications AC Current The following ac current specifications are for sinusoidal signals with amplitudes greater than 5 % of range. For inputs from 1 % to 5 % of range, add an additional error of 0.1 % of range. Input Protection ............

  • Page 28: 4040/4050 Accuracy

    DMM4040/4050 Technical Reference Manual 4040/4050 Accuracy Accuracy is given as ± (% measurement + % of range) Temperature 24 Hour 90 Days 1 Year Frequency Coefficient/ °C Range (23 ±1 °C) (23 ±5 °C) (23 ±5 °C) (Hz) Outside 18 to 28 °C 100 µA 3 –...

  • Page 29: Additional Low Frequency Errors

    Introduction and Specifications Electrical Specifications Additional Low Frequency Errors Error is stated as % of reading. AC Filter Frequency 3HZ (slow) 20HZ (medium) 200HZ (fast) 10 – 20 Hz 0.25 – 20 – 40 Hz 0.02 – 40 – 100 Hz 0.01 0.55 100 –...

  • Page 30: Capacitance (4050 Only)

    DMM4040/4050 Technical Reference Manual Capacitance (4050 only) Accuracy is stated as ±(% of measurement + % of range) Temperature Coefficient/ °C 1 Year Accuracy Range Resolution (23 ±5 °C) Outside 18 to 28 °C 2% ± 2.5 % 1 nF 1 pF 0.05 + 0.05 1% ±...

  • Page 31: Diode Test

    Introduction and Specifications Measurement Uncertainty Diode Test Test Current ............100 µA or 1 mA Response Time ............300 samples/sec with audible tone. Accuracy is given as ± (% measurements + % of range) Temperature 24 Hour 90 Days 1 Year Coefficient/ °C Range (23 ±1 °C)

  • Page 32: Interpreting Accuracy Specifications

    DMM4040/4050 Technical Reference Manual Interpreting Accuracy Specifications The following sections provide a clearer understanding of specifications over time and with temperature variations. Hour Accuracy The 24 hour accuracy specification indicates the Meter's relative accuracy over its full measurement range for short time intervals and within a stable environment. Short term accuracy is usually specified for a 24 hour period and for a ±1 °C temperature range.

  • Page 33: General Maintenance

    Chapter 2 General Maintenance Title Page Introduction ......................2-3 Warranty Repairs and Shipping Information ............2-3 General Maintenance Information ............... 2-3 Required Equipment ..................2-3 Power Requirements ..................2-3 Static Safe Handling ..................2-3 Cleaning ....................... 2-4 Fuse Replacement ....................2-4 Line-Power Fuse ....................
  • Page 34 DMM4040/4050 Technical Reference Manual...

  • Page 35: Introduction

    General Maintenance Introduction Introduction This chapter provides handling, cleaning, fuse replacement, disassembly, and assembly instructions for the Meter. Warranty Repairs and Shipping Information If your meter is still under warranty, see the warranty information at the front of this manual for instructions on returning the unit. A Tektronix telephone number and the website address can be found in the “Contacting Tektronix”...

  • Page 36: Cleaning

    DMM4040/4050 Technical Reference Manual ESD may not cause an immediate failure in a component; a delayed failure or "wounding" effect is caused when the semiconductor’s insulation layers or junctions are punctured. The static problem is thus complicated in that failure may occur anywhere from two hours to six months after the initial damage.

  • Page 37: Current-Input Fuses

    General Maintenance Fuse Replacement Figure 2-1. The Meter is shipped with a replacement fuse of the same rating as the fuse installed in the fuse block. 3. Remove the fuse and replace with one rated appropriately for the selected line-power voltage.
  • Page 38 DMM4040/4050 Technical Reference Manual To test for a blown Current Input fuse: 1. With the Meter powered up, plug a test lead into the VΩ connector. If the fuse is good, the Meter will read less than 200 Ω. If the fuse is blown, the Meter will read .

  • Page 39: If The Meter Does Not Turn On

    General Maintenance If the Meter Does Not Turn On If the Meter Does Not Turn On Use the following steps to help solve problems encountered when turning on the Meter. 1. Verify the Meter’s power switch is in the “On” position. 2.

  • Page 40: Main Chassis Disassembly

    DMM4040/4050 Technical Reference Manual 6. Remove the wedges from the front and rear input modules by rotating the top toward the chassis middle and pulling up. See Figure 4-1. 7. Remove both sets of screws holding the front panel to the chassis (8-32 pan head and 6-32 flat head undercut).

  • Page 41: Performance Test And Calibration

    2-Wire Ohms Verification ................3-16 2X4 Test Lead Verification Steps ..............3-17 Rear Panel Terminal Verification Steps ............3-18 Capacitance Verification Steps (DMM4050 only) .......... 3-20 DC Current Verification Steps ................ 3-22 AC Current Verification Steps ................ 3-24 Adjustment (Calibration) ..................3-26 Unlocking the Meter for Adjustments (Calibration) ........
  • Page 42 DMM4040/4050 Technical Reference Manual...

  • Page 43: Introduction

    Performance Test and Calibration Introduction Introduction This chapter of the Calibration Manual provides performance tests to verify the Meter is operating within published specifications as well as a complete calibration procedure. The performance test and, if necessary, the calibration procedure can be performed both periodically and after service or repair.
  • Page 44 ±0.35 % maximum uncertainty) TURS <4:1 at 1 nF, 10 nF, 100 µF, Capacitance Standard Fluke 5520A (DMM4050 1 mF, and 10 mF. only) 1 nF, 10 nF, 100 nF, 1 µF, Alternate standards Standards must be ±0.25 % and 10 µF, 100 µF, 1 mF,...

  • Page 45: Test Considerations

    Performance Test and Calibration Test Considerations Test Considerations For optimum performance, all test procedures should comply with the following recommendations: • Assure the calibration ambient temperature (T ) is stable and between 18 °C and 28 °C. Ideally the calibration should be performed at 23 °C ±2 °C. •...
  • Page 46 DMM4040/4050 Technical Reference Manual Note For the zero (0) V tests, use the 4-wire short to short the Hi/Lo and Sense inputs. gdc023.eps Figure 3-1. DC Volts Test Equipment Setup with 5520A...
  • Page 47 Performance Test and Calibration Performance Tests Table 3-2. DMM4050 DC Volts Verification Steps 90-day Test Limits 1-year Test Limits Nominal Range Input (V) High High 3.5 µV -3.5 µV 3.5 µV -3.5 µV 0.100 100.0 mV 0.100 100.006 mV 99.994 mV 100.0072 mV...
  • Page 48 DMM4040/4050 Technical Reference Manual Table 3-3. DMM4040 DC Volts Verification Steps 90-day Test Limits 1-year Test Limits Nominal Range Input (V) High High 3.5 µV -3.5 µV 3.5 µV -3.5 µV 0.100 100.0 mV 0.100 100.0075 mV 99.9925 mV 100.0085 mV 99.9915 mV -100.0 mV 0.100...

  • Page 49: Volts Dc Ratio Verification

    Performance Test and Calibration Performance Tests Volts DC Ratio Verification Connect the Meter to the test equipment as shown in Figure 3-2 and depending on which meter you are calibrating, apply the voltages listed in Table 3-4 or Table 3-5. Verification forms can be found in Appendix A which can be copied and used to record each meter reading.
  • Page 50 DMM4040/4050 Technical Reference Manual Table 3-4. DMM4050 DC Volts Ratio Verification Steps 90-day Test Limits 1-year Test Limits Nominal Range Input (V) High High 100 mV 0.100 V 1.00012 V 0.99988 V 1.000144 V 0.999856 V 1.00005 V 0.99995 V 1.000064 V...

  • Page 51: Volts Ac And Frequency Verification

    Performance Test and Calibration Performance Tests Volts AC and Frequency Verification Connect the Meter to the test equipment as shown in Figure 3-3 and, depending on which meter you are calibrating, apply the voltage listed in Table 3-6. Verification forms can be found in Appendix A which can be copied and used to record each meter reading.
  • Page 52 DMM4040/4050 Technical Reference Manual Table 3-6. DMM4040/4050 AC Volts Verification Steps Nominal Input 90-day Test Limits 1-year Test Limits Range Ampl. Freq. High High 100.0 mV 10 Hz 0.100 100.09 mV 99.91 mV 100.1 mV 99.9 mV 100.0 mV 20 kHz 0.100 100.09 mV 99.91 mV...
  • Page 53 Performance Test and Calibration Performance Tests Table 3-7. DMM4040/4050 AC Volts Frequency Verification Steps Nominal Input 90-day Test Limits 1-year Test Limits Ampl. Freq. High High 10 Hz 10.00300 Hz 9.99700 Hz 10.00300 Hz 9.99700 Hz 40 Hz 40.0040 Hz 39.9960 Hz 40.00400 Hz 39.9960 Hz...

  • Page 54: 4-Wire Ohms Verification

    DMM4040/4050 Technical Reference Manual 4-Wire Ohms Verification Connect the Meter to the test equipment as shown in Figure 3-4 and, depending on which meter you are calibrating, apply the resistance listed in Table 3-8. Verification forms can be found in Appendix A which can be copied and used to record each meter reading. Note For zero (0) ohms tests, use the 4-wire short to short the Hi/Lo and Sense inputs.
  • Page 55 Performance Test and Calibration Performance Tests Table 3-8. DMM4040/4050 4-Wire Ohms Verification Steps 90-day Test Limits 1-year Test Limits Nominal Range Input High High 0 Ω 0 Ω 0 Ω 3.0 mΩ 3.0 mΩ 10 Ω 10.00380 Ω 9.99620 Ω 10.00400 Ω...

  • Page 56: 2-Wire Ohms Verification

    DMM4040/4050 Technical Reference Manual 2-Wire Ohms Verification Connect the Meter to the test equipment as shown in Figure 3-5 and, depending on which meter you are calibrating, apply the resistance listed in Table 3-9. Verification forms can be found in Appendix A which can be copied and used to record each meter reading. Note For zero (0) ohms tests, use the 4-wire short to short the Hi/Lo and Sense inputs.

  • Page 57: 2X4 Test Lead Verification Steps

    Performance Test and Calibration Performance Tests Table 3-9. DMM4040/4050 2-Wire Ohms Verification Steps 90-day Test Limits 1-year Test Limits Nominal Range Input High High 0 Ω 0 Ω 0 Ω [2] [3] 4.0 mΩ 4.0 mΩ 100 Ω 100.01200 Ω 99.988 Ω...

  • Page 58: Rear Panel Terminal Verification Steps

    DMM4040/4050 Technical Reference Manual Rear Panel Terminal Verification Steps This optional test verifies Meter operation through the rear-panel input terminals. After connecting the Meter to the test equipment as shown in Figure 3-6, apply the nominal values listed in Table 3-10 or Table 3-11, depending on which meter you are calibrating.
  • Page 59 Performance Test and Calibration Performance Tests Table 3-10. DMM4050 Rear-Panel Terminal Verification Steps (Optional Test) 90-day Test Limits 1-year Test Limits Nominal Range Input High High 10 V dc 10 V 10.00023 V 9.99977 V 10.00029 V 9.99971 V 1000 Ω...

  • Page 60: Capacitance Verification Steps (Dmm4050 Only)

    DMM4040/4050 Technical Reference Manual Capacitance Verification Steps (DMM4050 only) Connect the Meter to the test equipment as shown in Figure 3-7, and apply the capacitance values listed in Table 3-12. Verification forms can be found in Appendix A which can be copied and used to record each meter reading.
  • Page 61 Performance Test and Calibration Performance Tests Table 3-12. DMM4050 Capacitance Verification Steps 1-year Test Limits Nominal Output Range High (F) Low (F) 0 ηF 1.0 ηF 0 ηF 25.0 pF 1.0 ηF 1.0 ηF 1.045 ηF 955.0 pF 10.0 ηF 10.0 ηF...

  • Page 62: Dc Current Verification Steps

    DMM4040/4050 Technical Reference Manual DC Current Verification Steps Connect the Meter to the test equipment as shown in Figure 3-8 and, depending on which meter you are calibrating, apply the nominal values listed in Table 3-13. Verification forms can be found in Appendix A which can be copied and used to record each meter reading.
  • Page 63 Performance Test and Calibration Performance Tests Table 3-13. DMM4040/4050 DC Current Verification Steps 90-day Test Limits 1-year Test Limits Nominal Range Input High High 100.0 µA 25.0 ηA -25.0 ηA 25.0 ηA -25.0 ηA 100.0 µA 100.0 µA 100.065 µA 99.935 µA 100.075 µA 99.935 µA...

  • Page 64: Ac Current Verification Steps

    DMM4040/4050 Technical Reference Manual AC Current Verification Steps Connect the Meter to the test equipment as shown in Figure 3-9 and, depending on which meter you are calibrating, apply the nominal values listed in Table 3-14. Verification forms can be found in Appendix A which can be copied and used to record each meter reading.
  • Page 65 Performance Test and Calibration Performance Tests Table 3-14. DMM4040/4050 AC Current Verification Steps Nominal Output 90-day Test Limits 1-year Test Limits Range Amplitude Freq. High High 100.0 µA 100.0 µA 100.14 µA 99.86 µA 100.14 µA 99.86 µA 10 Hz 100.0 µA 100.0 µA 100.14 µA...

  • Page 66: Adjustment (Calibration)

    The remote program directs the test equipment to apply a series of shorts, opens, voltages, currents, and capacitance (DMM4050 only) to the Meter. At each step, the Meter internally makes the necessary adjustment to bring the Meter into specification.

  • Page 67: Resetting The Calibration Password

    Performance Test and Calibration Adjustment (Calibration) Resetting the Calibration Password If the calibration password has is lost or forgotten, the password can be reset to  by performing the following actions. Note Before taking the following steps, try to use the factory default password .

  • Page 68: Changing The Calibration Date

    The required equipment for calibration is that same the equipment listed in Table 3-1. Adjustment Process The adjustment steps differ slightly between the DMM4040 and the DMM4050. In both cases, they are divided into four areas: open adjust, zero adjust, rear panel zero adjust, and gain adjust.
  • Page 69 4-wire low-thermal short 4W 100 OHM Table3-15. DMM4040/4050 Adjustment Steps (cont) Step Modes Value Range Input Signal Description Series 4W 10 OHM (DMM4050 ZRES 4-wire low-thermal short only) Rear Ω Zero ZRES 100000 4-wire low-thermal short 4W 100 kOHM rear input...
  • Page 70 DMM4040/4050 Technical Reference Manual ZIDC 1.0E-3 100mA to Lo short DC 1 mA ZIDC 10.0E-3 100mA to Lo short DC 10 mA ZIDC 100.0E-6 100mA to Lo short DC 100 uA ZIAC 100mA to Lo short AC 100 uA ZIACS 100mA to Lo short AC 100 uA ZIAC...
  • Page 71 Performance Test and Calibration Adjustment (Calibration) GVAC 10 @1200 Hz AC 10 V GVACS 10 @1200 Hz AC 10 V ACPOLE 10 @50000 Hz AC 10 V GVAC 100 @1200 Hz AC 100 V GVACS 100 @1200 Hz AC 100 V ACPOLE 100 @50000 Hz AC 100 V...
  • Page 72 DMM4040/4050 Technical Reference Manual GIACS AC 10 A GIAC AC 1 A GIACS AC 1 A Low IAC Gain GIAC 100.0E-3 100.0E-3 AC 100 mA GIACS 100.0E-3 100.0E-3 AC 100 mA GIAC 10.0E-3 10.0E-3 AC 10 mA GIACS 10.0E-3 10.0E-3 AC 10 mA GIAC 1.0E-3...
  • Page 73 100000 4W 100 kΩ GRES 10000 10000 4W 10 kΩ GRES 1000 1000 4W 1 kΩ 4W 100 Ω GRES 4W 10 Ω (DMM4050 GRES only) Misc Gain R1G Ω (DMM4050 only) GRES 1000000000 1000000000 GCAP1 10.0E-9 10.0E-9 C10NF (DMM4050 only) GCAP2 10.0E-9...

  • Page 74: Aborting A Calibration Process

    PRINT @<address of meter>, "CAL? ON" INPUT LINE @<address of meter>, A$ # Disable Calibration PRINT @<address of meter>, "CAL:SEC:STAT ON, TEKDMM40XX” For more information about writing a program to remotely control the Meter, refer to the DMM4040 and DMM4050 Programmer Manual. 3-34...

  • Page 75: Appendices

    Appendices Appendix Title Page Verification Forms ....................A-1 Example Adjustment Program ................B-1...
  • Page 76 DMM4040/4050 Technical Referencel...
  • Page 77 Appendix A Verification Forms Introduction The following tables are forms used to collect Meter readings while performing the verification procedures contained in Chapter 3. Appendix pages may be copied as needed to record meter readings.
  • Page 78 DMM4040/4050 Technical Referencel Table A-1. Blank Verification Record for 90-Day Specifications Nominal Output Test Limits Range Results Pass/Fail Ampl. Freq. High DMM4050 DC Volts 0.100 3.5E-6 -3.5E-6 100.0E-3 0.100 100.006E-3 99.994E-3 -100.0E-3 0.100 -99.994E-3 -100.006E-3 7.0E-6 -7.0E-6 1.000025 0.999975 -0.999975 -1.000025...
  • Page 79 Appendices Verification Forms Table A-1. Blank Verification Record for 90-Day Specifications (cont) Nominal Output Test Limits Range Results Pass/Fail Ampl. Freq. High DMM4040 DC Volts (cont) 10.00025E+0 9.99975E+0 -9.99975E+0 -10.00025E+0 600.0E-6 -600.0E-6 100.0041E+0 99.9959E+0 -100 -99.9959E+0 -100.0041E+0 1000 10.0E-3 -10.0E-3 1000 1000 1.000045E+3...
  • Page 80 DMM4040/4050 Technical Referencel Table A-1. Blank Verification Record for 90-Day Specifications (cont) Nominal Output Test Limits Range Results Pass/Fail Ampl. Freq. High DMM4040/4050 AC Volts (cont) 100.08E+0 99.92E+0 20000 100.08E+0 99.92E+0 50000 100.16E+0 99.84E+0 100000 100.68E+0 99.32E+0 DMM4040/4050 Only AC Volts 1000 1000 1000.800...
  • Page 81 1000000000 100000.0 1000000000 1000000000 1015100000 984900000 DMM4040/4050 Optional 2X4 Test Lead (Split Lead) test 4.0E-3 100.0120 99.9880 DMM4050 Optional Rear Panel Test 10 V 10.00023 V 9.99977 V DCV (10V) 1000 Ω 1000.09 Ω 999.91 Ω 4-W Ω (1 kΩ) 100 mA 0.100035 A...
  • Page 82 10 V 10.00025 V 9.99975 V DCV (10V) 1000 Ω 1000.09 Ω 999.91 Ω 4-W Ω (1 kΩ) 100 mA 0.100035 A 0.099965 A DCI (100 mA) DMM4050 Capacitance 1.0E-9 25.0E-12 1.0E-9 1.0E-9 1.045E-9 955.0E-12 10.0E-9 10.0E-9 10.15E-9 9.85E-9 100.0E-9 100.0E-9...
  • Page 83 DMM4040/4050 DC Current (cont) 1.0006E+0 999.4E-3 -999.4E-3 -1.0006E+0 600.0E-6 -600.0E-6 1.90212E+0 1.89788E+0 -1.9 -1.89788E+0 -1.90212E+0 800.0E-6 -800.0E-6 10.0128E+0 9.9872E+0 -9.9872E+0 -10.0128E+0 DMM4050 Only AC Current 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6 100.0E-6...
  • Page 84 DMM4040/4050 Technical Referencel Table A-1. Blank Verification Record for 90-Day Specifications (cont) Nominal Output Test Limits Range Results Pass/Fail Ampl. Freq. High DMM4040/4050 Current (cont) 10.02100 9.97900 1000 10.02100 9.97900 1000 1.0014E+0 998.6E-3 5000 1.0014E+0 998.6E-3 10000 1.0105E+0 989.5E-3 1.90465 1.89535 1000 1.90465...
  • Page 85 Appendices Verification Forms Table A-2. Blank Verification Record for 1-Year Specifications Nominal Output Test Limits Range Results Pass/Fail Ampl. Freq. High DMM4050 DC Volts 0.100 3.5E-6 -3.5E-6 100.0E-3 0.100 100.0072E-3 99.9928E-3 -100.0E-3 0.100 -99.9928E-3 -100.0072E-3 7.0E-6 -7.0E-6 1.000032 0.999968 -0.999968 -1.000032...
  • Page 86 DMM4040/4050 Technical Referencel Table A-2. Blank Verification Record for 1-Year Specifications (cont) Nominal Output Test Limits Range Results Pass/Fail Ampl. Freq. High DMM4040 DC Volts (cont) 10.0004E+0 9.9996E+0 -9.9996E+0 -10.0004E+0 600.0E-6 -600.0E-6 100.0051E+0 99.9949E+0 -100 -99.9949E+0 -100.0051E+0 1000 10.0E-3 -10.0E-3 1000 1000 1.000055E+3...
  • Page 87 Appendices Verification Forms Table A-2. Blank Verification Record for 1-Year Specifications (cont) Nominal Output Test Limits Range Results Pass/Fail Ampl. Freq. High DMM4040/4050 AC Volts (cont) 100.09E+0 99.91E+0 20000 100.09E+0 99.91E+0 50000 100.17E+0 99.83E+0 100000 100.68E+0 99.32E+0 DMM4040/4050 Only AC Volts 1000 1000 1.0009E+3...
  • Page 88 1000000000 100000.0 1000000000 1000000000 1020100000 979900000 DMM4040/4050 Optional 2X4 Test Lead (Split Lead) test 4.0E-3 100.01400 99.98600 DMM4050 Optional Rear Panel Test 10 V 10.00029 V 9.99971 V DCV (10V) 1000 Ω 1000.11 Ω 999.89 Ω 4-W Ω (1 kΩ) 100 mA 0.100055 A...
  • Page 89 100 mV 0.1000085 V 0.0999915 V DCV (10V) 1000 Ω 1000.11 Ω 999.89 Ω 4-W Ω (1 kΩ) 100 mA 0.100055 A 0.099945 A DCI (100 mA) DMM4050 Capacitance 1.0E-9 25.0E-12 1.0E-9 1.0E-9 1.045E-9 955.0E-12 10.0E-9 10.0E-9 10.15E-9 9.85E-9 100.0E-9 100.0E-9...
  • Page 90 DMM4040/4050 Technical Referencel Table A-2. Blank Verification Record for 1-Year Specifications (cont) Nominal Output Test Limits Range Results Pass/Fail Ampl. Freq. High DMM4040/4050 DC Current (cont) -1.9 -1.9 -1.9 -1.9 -1.9 -1.9 -1.9 DMM4040/4050 Only AC Current 100.0E-6 100.0E-6 100.14E-6 99.86E-6 100.0E-6 1000...
  • Page 91 Appendices Verification Forms Table A-2. Blank Verification Record for 1-Year Specifications (cont) Nominal Output Test Limits Range Results Pass/Fail Ampl. Freq. High DMM4040/4050 AC Current (cont) 10.02100 9.97900 1000 10.02100 9.97900 5000 1.00140 998.6E-3 10000 1.01050 989.5E-3 1.90465 1.89535E+0 1000 1.90465 1.89535E+0 10000...
  • Page 92 DMM4040/4050 Technical Referencel A-16...
  • Page 93 Appendix B Example Adjustment Program Introduction Shown below is an adjustment program example for the DMM4040 and DMM4050. ###DMM4040/4050 Calibration Adjustment Meta Program *RST;SYST:REM CAL:SEC:STAT OFF, TEKDMM40XX # Open Adjust ## Remove all connections to front terminals CAL:VAL ORES,100000000 CAL? ON...
  • Page 94 DMM4040/4050 Technical Referencel CAL? ON CAL:VAL ZVAC,10 CAL? ON CAL:VAL ZVACS,10 CAL? ON CAL:VAL ZVAC,100 CAL? ON CAL:VAL ZVACS,100 CAL? ON CAL:VAL ZVAC,1000 CAL? ON CAL:VAL ZVACS,1000 CAL? ON CAL:VAL ZVDC,1000 CAL? ON CAL:VAL ZVDC,100 CAL? ON CAL:VAL ZVDC,10 CAL? ON CAL:VAL ZVDC,1 CAL? ON CAL:VAL ZVDC,0.1...
  • Page 95 Appendices Example Adjustment Program # end comment ## Rear short adjust - press the F/R switch to REAR - OutGuard version 2.0 and above CAL:VAL ZRESR,100000 CAL? ON CAL:VAL ZRESR,10000 CAL? ON CAL:VAL ZRESR,1000 CAL? ON CAL:VAL ZRESR,100 CAL? ON CAL:VAL ZRESR,10 CAL? ON # end comment...
  • Page 96 DMM4040/4050 Technical Referencel CAL? ON CAL:VAL ZIACS,100.0E-3 CAL? ON # Two 400 mA ac zero adjust steps - OutGuard version 2.0 and above CAL:VAL ZIAC,400.0E-3 CAL? ON CAL:VAL ZIACS,400.0E-3 CAL? ON CAL:VAL ZIDC,10 CAL? ON CAL:VAL ZIDC,1 CAL? ON CAL:VAL ZIAC,1 CAL? ON CAL:VAL ZIACS,1 CAL? ON...
  • Page 97 Appendices Example Adjustment Program ## set calibrator to output 1.0 V@1200Hz # 1 V AC Gain CAL:VAL GVAC,1 CAL? ON ### Calibrate 1 V AC Gain @1000 Hz ## set calibrator to output 1.0 V@1000Hz # 1 V AC Gain CAL:VAL GVACS,1 CAL? ON ### Calibrate 1 V AC Slow @10 Hz...
  • Page 98 # 750 V AC Gain #CAL:VAL GVACS,750 #CAL? ON # end comment # DMM4050 - uncomment if adjusting DMM4050 ### Calibrate 1000 V AC Gain @1200 Hz ## set calibrator to output 1000.0 V@1200Hz # 1000 V AC Gain CAL:VAL GVAC,1000...
  • Page 99 Appendices Example Adjustment Program CAL? ON ## set calibrator to output -1 Vdc # -1V DC CAL:VAL GVDC,-1 CAL? ON ### Calibrate 0.1 V DC ## set calibrator to output 100 mVdc # 0.1V DC CAL:VAL GVDC,0.1 CAL? ON ## set calibrator to output -100 mVdc # -0.1V DC CAL:VAL GVDC,-0.1 CAL? ON...
  • Page 100 CAL? ON # 10mA AC Gain CAL:VAL GIACS,10.0E-3 CAL? ON # DMM4050 - uncomment if adjusting DMM4050 # Calibrate 0.001 A AC @1200 Hz DMM4050 only ## set calibrator to output 0.001A ac@1200Hz # 0.001 A AC CAL:VAL GIAC,1.0E-3 CAL? ON # 0.001 A AC...
  • Page 101 Appendices Example Adjustment Program # -0.001 ADC CAL:VAL GIDC,-1.0E-3 CAL? ON ### Calibrate 0.01 ADC ## set calibrator to output 0.01A dc # 0.01 ADC CAL:VAL GIDC,10.0E-3 CAL? ON ## set calibrator to output -0.01A dc # -0.01 ADC CAL:VAL GIDC,-10.0E-3 CAL? ON ### Calibrate 0.1 ADC ## set calibrator to output 0.1A dc...
  • Page 102 ## set calibrator to output 10 Ohms # 10 Ohm CAL:VAL GRES,10 CAL? ON CAL:REC # DMM4050 - uncomment if adjusting DMM4050 ### Calibrate 1G Ohm DMM4050 only # Attach 1G Ohms to hi/lo terminals # 1G Ohm - unremark CAL:VAL GRES,1000000000...

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