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Chapter 3

Performance Verification and Calibration

Title

Page

Introduction .......................................................................................................... 3-3

Required Equipment ............................................................................................ 3-3

Direct Voltage Verification.................................................................................. 3-4

Alternating Voltage Verification ......................................................................... 3-5

4-Wire Ohms Verification ................................................................................... 3-6

2-Wire Ohms Verification ................................................................................... 3-7

Direct Current Verification .................................................................................. 3-8

Alternate Current Verification ............................................................................. 3-11

Frequency Verification ........................................................................................ 3-12

Adjustment (Calibration) ..................................................................................... 3-12

Equipment for Calibration ............................................................................... 3-12

Adjustment Process ......................................................................................... 3-12

Front Panel Adjustments ................................................................................. 3-12

RS-232 Calibration (Manual) .......................................................................... 3-17

Calibration Points ........................................................................................ 3-18

3-1

Содержание DMM4020

Страница 1: ...DMM4020 Digital Multimeter Technical Reference Revision B 077 0365 02...

Страница 2: ...nd pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektr...

Страница 3: ...1 9 General Specifications 1 10 Voltage 1 10 Dimensions 1 10 Display 1 10 Environment 1 10 Triggering 1 10 Math Functions 1 10 Electrical 1 10 Remote Interfaces 1 10 Warranty 1 10 Electrical Specifica...

Страница 4: ...Verification and Calibration 3 1 Introduction 3 3 Required Equipment 3 3 Direct Voltage Verification 3 4 Alternating Voltage Verification 3 5 4 Wire Ohms Verification 3 6 2 Wire Ohms Verification 3 7...

Страница 5: ...ltage Verification Steps 3 4 3 3 Alternating Voltage Verification Steps 3 5 3 4 4 Wire Ohms Verification Steps 3 6 3 5 2 Wire Ohms Verification Steps 3 7 3 6 Direct Current Verification Steps 3 10 3 7...

Страница 6: ...DMM4020 Technical Reference iv...

Страница 7: ...Replacing the Current Input Fuses 2 7 2 3 Display Elements 2 8 3 1 Direct and Alternating Voltage Verification Test Setup 3 4 3 2 4 Wire Ohms Test Setup 3 6 3 3 2 Wire Ohms Test Setup 3 7 3 4 Less tha...

Страница 8: ...DMM4020 Technical Reference vi...

Страница 9: ...7 Introduction 1 8 Manual Set 1 9 About This Manual 1 9 General Specifications 1 10 Voltage 1 10 Dimensions 1 10 Display 1 10 Environment 1 10 Triggering 1 10 Math Functions 1 10 Electrical 1 10 Remot...

Страница 10: ...DMM4020 Technical Reference 1 2...

Страница 11: ...I equipment is designed to protect against transients from energy consuming equipment supplied from the fixed installation such as TVs PCs portable tools and other household appliances To Avoid Fire o...

Страница 12: ...rative and secure it against any unintended operation Servicing of the Meter should be performed by qualified service personnel Do not apply more than the rated voltage as marked on the Meter between...

Страница 13: ...nect the live test lead before disconnecting the common test lead Disconnect circuit power and discharge all high voltage capacitors before testing resistance continuity diodes or capacitance Before m...

Страница 14: ...e the Meter Safety and Electrical Symbols Symbol Description Symbol Description Risk of danger Important information See manual Display ON OFF and Meter reset Hazardous voltage Voltage 30 V dc or ac p...

Страница 15: ...is designed to protect against transients from high voltage low energy sources such as electronic circuits or a copy machine CAT II equipment is designed to protect against transients from energy con...

Страница 16: ...nal to be displayed at the same time e g ac voltage in one display and frequency in the other 5 1 2 digit resolution True rms ac 2 4 wire resistance or patented 2x4 wire resistance measurement techniq...

Страница 17: ...the following chapters Chapter 1 Introduction and Specifications This chapter introduces the Tektronix DMM4020 Digital Multimeter describing its features and accessories This chapter also discusses us...

Страница 18: ...arm Up hour to full uncertainty specifications Relative Humidity non condensing Operating 90 0 C to 28 C 75 28 C to 40 C 45 40 C to 50 C Storage 40 C to 70 C 95 Altitude Operating 2 000 Meters Storage...

Страница 19: ...Range Full Scale 5 1 2 Digits Resolution Input Impedance Slow Medium Fast 200 mV 199 999 mV 1 V 10 V 10 V 10 G 1 2 V 1 99999 V 10 V 100 V 100 V 10 G 1 20 V 19 9999 V 100 V 1000 V 1000 V 10 M 1 200 V...

Страница 20: ...00 V 200 V 199 999 V 1 mV 10 mV 10 mV 750 V 750 00 V 10 mV 100 mV 100 mV Accuracy Range Frequency Uncertainty 1 Temperature Coefficient C Outside 18 28 C 90 days 1 year 23 C 5 C 23 C 5 C 200 mV 20 Hz...

Страница 21: ...Accuracy Range Uncertainty 1 Temperature Coefficient C Outside 18 28 C 90 days 1 year 23 C 5 C 23 C 5 C 200 0 02 0 004 0 03 0 004 0 003 0 0006 2 k 0 015 0 002 0 02 0 003 0 003 0 0005 20 k 0 015 0 002...

Страница 22: ...ilter Bandwidth 20 Hz 100 kHz Maximum Crest Factor 3 1 at Full Scale Additional Crest Factor Errors 100 Hz Crest Factor 1 2 0 05 of full scale Crest Factor 2 3 0 2 of full scale Only applies to non si...

Страница 23: ...ing low voltage low frequency signals Accuracy Range Frequency Uncertainty Temperature Coefficient C Outside 18 28 C 90 days 1 year 23 C 5 C 23 C 5 C 100 mV to 750 V 1 2 20 Hz 2 kHz 0 01 0 002 0 01 0...

Страница 24: ...DMM4020 Technical Reference 1 16...

Страница 25: ...tion 2 3 Required Equipment 2 3 Static Safe Handling 2 3 Cleaning 2 4 Storing and Shipping the Meter 2 4 Power Considerations 2 4 Selecting the Line Voltage 2 4 Replacing the Fuses 2 5 Line Power Fuse...

Страница 26: ...DMM4020 Technical Reference 2 2...

Страница 27: ...d in CMOS devices they can only reduce not eliminate component susceptibility to ESD ESD may not cause an immediate failure in a component a delayed failure or wounding effect is caused when the semic...

Страница 28: ...r Considerations Warning To avoid electric shock connect the Meter s power cord to a power receptacle with earth ground The Meter operates on varying power distribution standards found throughout the...

Страница 29: ...nsert a small screwdriver blade into the narrow recess to the left of the fuse holder and pry it to the right until the holder pops out See Figure 2 1 3 Remove the fuse and replace it with a fuse of a...

Страница 30: ...o the 10 A terminal If the fuse is good the Meter displays a reading of 2 000 but not 1 000 If the fuse is blown the Meter displays to indicate an overload Warning To avoid electric shock remove the p...

Страница 31: ...to the power module on the rear of the Meter 3 Make sure the power source the Meter is plugged into is energized 4 Ensure the power line voltage of the Meter is set to the proper value for your countr...

Страница 32: ...the rear panel power switch to the On position 2 Put the Meter into standby by pressing the front panel power button until the display extinguishes 3 While holding push in on the front panel power bu...

Страница 33: ...ltage Verification 3 5 4 Wire Ohms Verification 3 6 2 Wire Ohms Verification 3 7 Direct Current Verification 3 8 Alternate Current Verification 3 11 Frequency Verification 3 12 Adjustment Calibration...

Страница 34: ...DMM4020 Technical Reference 3 2...

Страница 35: ...ent Table 3 1 lists the equipment required for performance testing and calibration of the Meter Table 3 1 Required Test Equipment Function Instrument Type Model Comments Volts DC Calibrator Fluke 5700...

Страница 36: ...190 025 mV 189 964 mV 190 037 mV 0 V 2 V 0 00004 V 0 00004 V 0 00006 V 0 00006 V 0 5 V 2 V 0 50009 V 0 49991 V 0 50014 V 0 49986 V 0 5 V 2 V 0 49991 V 0 50009 V 0 49986 V 0 50014 V 1 9 V 2 V 1 90023...

Страница 37: ...5 V 1 89615 V 1 90480 V 1 89520 V 1 9 V 20 kHz 2 V 1 903985 V 1 89615 V 1 90480 V 1 89520 V 1 9 V 50 kHz 2 V 1 90670 V 1 89330 V 1 90765 V 1 89235 V 1 9 V 100 kHz 2 V 1 91620 V 1 88380 V 1 91810 V 1 8...

Страница 38: ...4 Wire Ohms Verification Steps Nominal Input Range 90 Day Test Limit 1 Year Test Limit High Low High Low 0 200 0 008 0 008 0 008 0 008 190 200 STD 0 046 1 STD 0 046 1 STD 0 065 1 STD 0 065 1 0 k 2 k 0...

Страница 39: ...Range 90 Day Test Limit 1 Year Test Limit High Low High Low 0 200 0 008 0 008 0 008 0 008 190 200 STD 0 046 1 STD 0 046 1 STD 0 065 1 STD 0 065 1 0 k 2 k 0 00004 k 0 00004 k 0 00006 k 0 00006 k 1 9 k...

Страница 40: ...STD 0 0386 M 1 STD 0 0481 M 1 STD 0 0481 M 1 0 M 100 M 0 004 M 0 004 M 0 004 M 0 004 M 100 M 100 M STD 1 504 M 1 STD 1 504 M 1 STD 1 754 M 1 STD 1 754 M 1 1 5700 reading resistance Direct Current Ver...

Страница 41: ...Performance Verification and Calibration Direct Current Verification 3 gdb005 eps Figure 3 5 2 Amps and Greater Direct and Alternating Current Test Setup 3 9...

Страница 42: ...mA 20 mA 19 0097 mA 18 9903 mA 19 0116 mA 18 9884 mA 19 mA 20 mA 18 9903 mA 19 0097 mA 18 9884 mA 190 0116 mA 0 mA 200 mA 0 010 mA 0 010 mA 0 020 mA 0 020 mA 190 mA 200 mA 190 048 mA 189 952 mA 190 0...

Страница 43: ...8 943 mA 19 0690 mA 18 9310 mA 19 mA 2 kHz 20 mA 19 0575 mA 18 9425 mA 19 0690 mA 18 9310 mA 10 mA 45 Hz 200 mA 10 125 mA 9 875 mA 10 150 mA 9 850 mA 190 mA 20 Hz 200 mA 191 620 mA 188 380 mA 192 020...

Страница 44: ...d equipment for calibration is the same as the equipment listed in Table 3 1 Adjustment Process The Meter adjustment process can either be managed through the front panel of the Meter or through the R...

Страница 45: ...n of VDC 20 V range 11 VDC 10 V 10 V 12 VDC 10 V 10 V 13 VDC 19 99 V 19 99 V 14 VDC 199 9 V 199 9 V Gain of VDC 200 V range 15 VDC 100 V 100 V 16 VDC 100 V 100 V 17 VDC 199 9 V 199 9 V 18 VDC 1000 V 1...

Страница 46: ...1 kHz Frequency Adjust using 5520A 43 FREQ 500 Hz 1 9 V 500 Hz Frequency 44 FREQ 1 kHz 1 9 V 1 kHz 45 FREQ 1 5 kHz 1 9 V 1 5 kHz 46 FREQ 5 kHz 1 9 V 5 kHz 47 FREQ 10 kHz 1 9 V 10 kHz 48 FREQ 15 kHz 1...

Страница 47: ...ange 76 OHMS 5 M 5 M 2 Wire 77 OHMS 10 M 10 M 2 Wire 78 OHMS 15 M 15 M 2 Wire 79 OHMS 100 k 100 k 2 Wire Gain of OHMS 100 M range 80 OHMS 20 M 20 M 2 Wire 81 OHMS 50 M 50 M 2 Wire 82 OHMS 100 M 100 M...

Страница 48: ...0A with 8508A 106 ADC 1000 A 1000 A 107 ADC 1000 A 1000 A 108 ADC 1999 A 1999 A 109 ADC 19 99 mA 19 99 mA Gain of ADC 20 mA range 110 ADC 10 mA 10 mA 111 ADC 10 mA 10 mA 112 ADC 19 99 mA 19 99 mA 113...

Страница 49: ...and the Meter Note All commands should be ASCII codes Enable calibration by sending TER to the Meter The Meter will return Select a Function or input EXIT to QUIT 1 Send VDC VAC ADC AAC OHMS or FREQ...

Страница 50: ...eter use the mA input terminal to connect to the calibrator When Connect to 10A socket is returned from the Meter use the 10A input terminal to connect to the calibrator Calibration Points Listed belo...

Страница 51: ...0 5 1 0 1 5 1 999 range 2 0 0 5 0 10 0 15 0 19 99 range 3 0 0 50 0 100 0 150 0 199 9 range 4 0 0 100 0 200 0 500 0 750 0 range 5 ohm 0 0 0 5E 2 1 0E 2 1 5E 2 range 1 1 0 0 5E 3 1 0E 3 1 5E 3 range 2 1...

Страница 52: ...DMM4020 Technical Reference 3 20...

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