Hioki DM7275-01 - User Manual

207 pages

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Instruction Manual

DM7276

PRECISION DC VOLTMETER

DM7275

Dec. 2016 Edition 1

DM7275A961-00 16-12H

DM7275-01

DM7275-02

DM7275-03

DM7276-01

DM7276-02

DM7276-03

w ww . . co m

information@itm.com1.800.561.8187

Main Page

Default Chapter4
- Table of Contents4
Introduction7
Verifying Package Contents8
Safety Information11
Operating Precautions13
1 Overview19
- Product Overview19
- Features19
- Temperature Compensation19
- Part Names and Functions20
- Screen Layout22
- Operating The Instrument23
- How To Use This Manual27
2 Preparing for Measurement28
- Preparation Process28
- Performing the Pre-Measurement Inspection29
- Connecting the Power Cord30
- Connecting the Measurement Cables (to the Instrument)31
- Connecting the Temperature Sensor32
- Turning the Instrument on and off33
- Setting The Time And Date35
3 Measurement36
- Connecting the Measurement Cables (Measurement Target)36
- Setting the Measurement Range40
- Setting the Measurement Speed41
- Starting Measurement42
- Measurement Error Displays51
- Values)51
4 Judging Measured Values55
- To Obtain Accurate Judgments Even When the Polarity of the Measurement Target (Battery, Etc.) Is Reversed56
- Comparator Measurement (Using a Single Judgment Standard)57
- BIN Measurement (Using Multiple Judgment Standards)61
5 Saving and Loading Measurement Conditions (Internal Memory)64
- Saving Measurement Conditions (Panel Save Function)65
- Conditions (Panel Load Function)65
  - Changing The Panel Name68
  - Deleting A Panel69
6 Useful Functionality70
- Obtaining Stable Measured Values70
  - X84; Setting the Integration Time70
  - X84; Reducing Measured Value Variability (Smoothing Function)72
- Auto-Hold Function73
- Contact Check74
- Switching The Input Resistance79
- Correcting Measured Values80
  - (Temperature Compensation Function)80
  - X84; Correcting Measured Values Using a Linear Expression (Scaling Function)85
- Statistical Calculations87
  - X84; Displaying, Clearing, and Printing Statistical Calculation Results88
7 System Settings90
- Key Lock (Disabling Instrument Operation)90
- Buzzer Settings91
- Adjusting The Screen Brightness92
- Changing The Screen Color92
- Adjusting the Touch Panel Position93
- Setting the Power Supply Frequency93
- Selecting Startup Load Settings and a Panel94
- Setting Output Formats95
- Resetting the Instrument (Reverting the Instrument to Its Factory Settings)96
  - X84; List of Default Settings97
8 Preparing to Use USB, RS-232C, GP-IB, and LAN Control99
- Overview of Interfaces and Associated Features99
- Preparing to Use an Interface (Connection and Settings)100
- Communications Settings111
9 Outputting Data113
- Interface Settings113
- Output Methods114
- Data Output Settings115
10 Using a USB Flash Drive117
- Overview117
- Connecting A Usb Flash Drive118
- Setting The Interface119
- Setting The Output Data Type119
- Outputting Data (USB Flash Drive)120
  - X84; Outputting Measurement Data or Screenshots120
  - X84; Outputting All Measurement Data121
- Outputting and Loading Measurement Conditions (USB Flash Drive)122
  - X84; Outputting Measurement Conditions122
- Files125
11 External Control (EXT I/O)126
- External Control Measurement Process126
- Switching between Current Sink (NPN) and Current Source (PNP)127
- Connections (Instrument and Control Device)128
- Configuring External Input and Output137
  - X84; EOM Signal Output Type138
- Input Test/Output Test139
- Timing Chart140
12 Printing144
- Printer Settings145
- Connecting the Printer to the Instrument147
- Configuring The Instrument147
- Printing148
- Output Format148
13 Specifications151
- General Specifications151
- Measurement Specifications152
  - X84; Basic Specifications152
  - X84; Accuracy Specifications155
- Functional Specifications157
- Interface Specifications163
14 Maintenance and Service166
- X84; Calibration and Repair166
- X84; Transporting the Instrument166
- Q&A (Frequently Asked Questions)167
  - X84; Frequently Asked Questions for External Control (EXT I/O)174
- Cleaning174
- Error Displays175
- Disposing Of The Instrument179
15 License Information180
Appendix181
Appx. 1 Block Diagram181
Appx. 2 Measuring The Enclosure182
- Lithium-Ion Batteries182
- X84; Internal Insulation Defects in Lithium-Ion Batteries182
- X84; Enclosure Potential Measurement183
  - Response Time184
  - Voltage Measurement185
- X84; Thermal Electromotive Force185
- X84; Effects of High-Voltage Measurement187
- X84; Effects of Burst Noise187
Appx. 4 Noise Countermeasures . Appx.8188
- X84; Effects of Induced Noise188
- X84; Effects of Conductive Noise190
Appx. 5 Self-Calibration191
- Targets192
Appx. 7 Rack Mounting194
- X84; Installation Instructions197
Appx. 8 Outline Drawings201
Appx. 9 Calibration202
Appx. 10 Adjustment203

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Hioki DM7275-01 Specifications

General

Type	Digital Multimeter
Data Logging	Yes
Interface	USB
Safety Standard	CAT III 1000 V, CAT IV 600 V
Measurement Range	Varies by function, see individual ranges above
Resolution	Depends on range
Input Resistance	10 MΩ
Power Supply	AA batteries (4)

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