Hioki 8846 User manual

MEMORY HiCORDER

INSTRUCTION MANUAL

8846

Contents

Introduction i

Inspection ii

Safety Notes iii

Notes on Use v

Chapter Summary ix

Chapter 1 Product Overview 1

1.1 Major Features 1

1.2 Identification of Controls and Indicators 3

Chapter 2 Specifications 11

2.1 General Specifications 11

2.2 Trigger Unit Specifications 14

2.3 Memory Recorder Function Specifications 15

2.4 Recorder Function Specifications 16

2.5 FFT Function Specifications 17

2.6 Auxiliary Functions Specifications 18

2.7 Accessories and Options 21

2.8 System Operation 22

Chapter 3 Logic and Analog Inputs 23

3.1 Logic Inputs 23

3.1.1 Logic Probes 24

3.2 8916 ANALOG UNIT 25

3.2.1 Specifications 25

3.2.2 Safety Requirements 26

3.3 8917 DC/RMS UNIT 27

3.3.1 Specifications 27

3.3.2 Safety Requirements 28

3.4 8918 TEMPERATURE UNIT 29

3.4.1 Specifications 29

3.4.2 Safety Requirements 30

3.4.3 Notes on Installation Site 31

3.5 8919 FFT ANALOG UNIT 32

3.5.1 Specifications 32

3.5.2 Safety Requirements 33

3.6 8927 ANALOG UNIT 34

3.6.1 Specifications 34

3.6.2 Safety Requirements 35

3.7 8928 STRAIN UNIT 36

3.7.1 Specifications 36

3.7.2 Safety Requirements 37

3.7.3 Strain Unit Settings 37

3.8 Replacement Procedure 38

3.9 Input Cables 39

3.10 Measurement Errors Caused by Signal Source Internal

Resistance 40

Chapter 4 Installation and Preparation 41

4.1 Installation of the Unit 41

4.2 Power Supply and Ground Connection 44

4.3 Power On/Off 47

4.4 Probe and Thermocouple Connection 48

4.5 Connection to a Strain Gauge Adapter 51

4.6 Connecting the Voltage Transformer 52

4.7 Loading Recoding Paper 54

4.8 Storage and Handling Precautions 56

4.9 Notes on Measurement 57

Chapter 5 Basic Operation and Measurement 59

5.1 Basic Operation 59

5.1.1 Basic Display Operation 59

5.1.2 JOG/SHUTTLE Control and Select Key 60

5.1.3 Setting Items 62

5.1.4 Measurement Start and End 62

5.2 Basic Measurement and Setting Procedures 63

5.2.1 Measuring and Recording a Voltage

(Memory Recorder, Recorder) 63

5.2.2 Frequency Analysis of Measured Voltage (FFT) 74

Chapter 6 Memory Recorder Function 81

6.1 Outline 81

6.2 Making Settings 83

6.2.1 Setting the Function Mode 83

6.2.2 Setting the Time Axis Range 84

6.2.3 Setting the Recording Length 85

6.2.4 Setting the Format 86

6.2.5 Using the X-Y Waveform Plots 90

6.2.6 Setting the Interpolation Function 93

6.2.7 Setting the Roll Mode 94

6.2.8 Superimpose 95

6.2.9 Other Settings (STATUS Screen) 96

6.3 Settings on the Display Screen and Auto Settings 98

6.3.1 Setting Magnification/Compression Along the Time Axis 98

6.3.2 Making Channel Settings 99

6.3.3 Automatic Setting of Time Axis and Voltage Axis 100

6.4 Start and Stop Measurement Operation 102

Chapter 7 Recorder Function 105

7.1 Outline 105

7.2 Making Settings 106

7.2.1 Setting the Function Mode 106

7.2.2 Setting the Time Axis Range 107

7.2.3 Setting the Magnification Along the Time Axis 109

7.2.4 Setting the Recording Time 112

7.2.5 Setting the Format 113

7.2.6 Setting the Interpolation Function 116

7.2.7 Setting the Recording Medium 117

7.2.8 Recording a Voice Memo 118

7.2.9 Transferring Data to the Memory Recorder Function 119

7.2.10 Other Settings 121

7.3 Settings on the Display Screen and Auto Settings 123

7.3.1 Making Channel Settings 123

7.3.2 Automatic Setting of Time Axis and Voltage Axis 123

7.4 Start and Stop Measurement Operation 125

Chapter 8 FFT Function 127

8.1 Outline 127

8.2 Item Settings 128

8.2.1 Setting the FFT Function 128

8.2.2 Setting the FFT Channel Mode 129

8.2.3 Setting the Frequency Range 130

8.2.4 Setting the Window Function 132

8.2.5 Setting the Display Format 134

8.2.6 Selecting Reference Data 136

8.2.7 Setting the Peak Display 138

8.2.8 Setting the FFT Analysis Mode 140

8.2.9 Setting the Analysis Channel 141

8.2.10 Setting the X-axis and Y-axis Displays 142

8.2.11 Setting the Display Scale 144

8.2.12 Octave Filter Setting 146

8.2.13 Setting the Interpolation Function 147

8.2.14 Other Settings 148

8.3 Analysis Function 150

8.3.1 Storage Waveform [STR] 151

8.3.2 Linear Spectrum [LIN] 152

8.3.3 RMS Spectrum [RMS] 154

8.3.4 Power Spectrum [PSP] 156

8.3.5 Auto Correlation [ACR] 158

8.3.6 Histogram [HIS] 159

8.3.7 Transfer Function [TRF] 160

8.3.8 Cross Power Spectrum [CSP] 162

8.3.9 Cross Correlation [CCR] 164

8.3.10 Unit Impulse Response [IMP] 166

8.3.11 Coherence [COH] 168

8.3.12 Octave Analysis [OCT] 170

Chapter 9 Input Channel Settings 175

9.1 Overview 175

9.2 Selecting Units (SYSTEM Screen) 176

9.3 Selecting Functions 177

9.4 Selecting the Input Type 178

9.5 Making Logic Input Settings (FFT Excluded) 180

9.6 Making Analog Input Settings 181

9.6.1 Waveform Display Color (FFT Excluded) 181

9.6.2 Display Graph Type (FFT Excluded) 183

9.6.3 Setting the Voltage Axis, Temperature Axis, Strain Axis

Ranges 184

9.6.4 Setting the Input Coupling (Not Required for 8918, 8928) 187

9.6.5 Setting Voltage Axis, Temperature Axis, and Strain Axis

Magnification/ Compression 188

9.6.6 Setting the Zero Position 189

9.6.7 Setting the Low-Pass Filter 191

9.6.8 Setting the Thermocouple Type (8918 Only) 192

9.6.9 Setting the Antialiasing Filter (8919 Only) 193

9.6.10 Arbitrary Setting if Voltage Axis Magnification/

Compression and Display Range 195

9.6.11 Copying Channel Settings 197

9.6.12 Making Channel Settings on Display Screen 198

Chapter 10 Trigger Functions 199

10.1 Overview 199

10.2 Setting the Trigger Mode 200

10.3 Setting Trigger Source AND/OR Linking 201

10.4 Setting the Pretrigger (Memory recorder, FFT) 202

10.5 Using the Analog Trigger Function 204

10.5.1 Level Trigger 205

10.5.2 Window-In, Window-Out Trigger 208

10.6 Using the Logic Trigger Function 210

10.7 Using the External Trigger Function 214

10.8 Using the Timer Trigger Function 215

10.9 Trigger Output Connector 218

Chapter 11 SYSTEM Screen Settings 219

11.1 Overview 219

11.2 How to Use the SYSTEM Screen 220

11.3 Initialization [ INITIALIZE ] 221

11.3.1 Setting the Clock [ TIME SET ] 221

11.3.2 Clear Waveform Data [ DATA CLEAR ] 222

11.3.3 System Reset [ SYSTEM RESET ] 223

11.4 Special Function Settings [ SETUP ] 226

11.4.1 Channel Selection [ using unit ] 227

11.4.2 Start Key Backup [ start backup ] 228

11.4.3 Setting the Grid [ grid type ] 229

11.4.4 Channel Marker Function [ channel marker ] 231

11.4.5 Time Axis Display [ time axis ] 232

11.4.6 List and Gauge Functions [ list & gauge ] 233

11.4.7 Backlight Saver Function [ backlight saver ] 234

11.4.8 Setting Screen Colors [ LCD color type ] 235

11.4.9 Setting the Volume [ volume ] 236

11.4.10 Intermittent Printing [ intermittent print ] 237

11.4.11 Selecting the Hard Copy Destination 238

11.4.12 Setting the Display Language 239

11.5 Scaling Function [ SCALING ] 240

11.5.1 Conversion Ratio Scaling 241

11.5.2 2-Point Scaling 242

11.5.3 Scaling Setting Example 245

11.6 Adding Comments to a Graph [ COMMENT ] 247

11.6.1 Comment and File Name Entry Procedure 248

11.7 Self Check 249

11.7.1 ROM/RAM Check 250

11.7.2 LED Check 251

11.7.3 Printer Check 252

11.7.4 Key Check 253

11.7.5 Display Check 254

11.7.6 MO Check 255

11.7.7 D/A Unit Output Check 256

11.8 Interface Settings 257

Chapter 12 Printout of Waveform Data and Processing

Data 259

12.1 Overview 259

12.2 Selecting Waveform or Numeric Print 260

12.3 Using the Smooth Print Function 262

12.4 Print Settings on SYSTEM Screen 263

12.5 Printing Procedure 264

12.5.1 Normal Print (Manual) (All Functions) 264

12.5.2 Normal Print (Auto) (Memory Recorder, FFT) 266

12.5.3 Real-Time Print (Recorder Function) 267

12.5.4 Partial Print (Memory Recorder, Recorder) 269

12.5.5 Screen Hard Copy (All Functions) 271

12.5.6 A4 Print (Memory Recorder, Recorder) 272

12.5.7 List Print (All Functions) 273

12.5.8 Paper Change During Printing 274

12.6 Reading the Display and Printout 275

Chapter 13 Storing Data on DDS Tape/Reading Data

From DDS Tape 283

13.1 Overview 283

13.2 About the MO Disk 284

13.3 MO Drive Operation 285

13.4 Displaying File List and File Information 287

13.4.1 Displaying a File List 287

13.4.2 Displaying File Information 288

13.5 Storing Data on a MO Disk 289

13.5.1 Storing Memory Recorder and FFT Data 289

13.5.2 Storing Recorder Data 295

13.5.3 Automatic File Name Assignment 297

13.5.4 File Contents and Size 298

13.6 Reading Data From MO Disk 302

13.6.1 Reading Stored Data 302

13.6.2 Playback of Stored Data 304

13.7 Recording the Recorder Waveform Data Stored on MO

in Memory Recorder Function/FFT Function

(FILEtoMEM/FFTT) 309

13.8 Deleting Stored Data (directory and file deleting) 311

13.9 Renaming File (file name and directory name) 313

13.10 Operating the Disk/ Deleting the Window (HELP key) 314

13.10.1 Creating a Directory 316

13.10.2 Searching file 317

13.10.3 Sorting files 319

13.10.4 Formatting a MO Disk 320

13.10.5 Formatting a MO Disk Physically (Physical Format) 321

Chapter 14 Calculating Waveform Data 323

14.1 Overview 323

14.2 Preparing for Waveform Processing 324

14.3 Defining the Processing Equation 326

14.3.1 Entering the Equation 326

14.3.2 Deleting an Equation 329

14.3.3 Copying an Equation 330

14.4 Setting the Channel for Recording Processing Results 331

14.5 Setting the Display Scale 332

14.6 Specifying the Waveform Processing Range 333

14.7 Setting Example for Waveform Processing 334

14.8 Details on Operators 337

Chapter 15 Determining Waveform

Parameters / EvaluatingParameter Values 343

15.1 Overview 343

15.2 Making Settings for Waveform Parameter Calculation 344

15.3 Making Settings for Waveform Parameter Evaluation 348

15.4 Using the NG Output 351

15.5 Specifying a Range for Waveform Parameter Calculation 352

15.6 Printing Out Waveform Parameter Calculation Results 353

15.7 Waveform Parameter Calculation and Waveform

Parameter Evaluation Examples 354

15.8 Parameter Calculation Details 357

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