Hioki 8841 User manual

MEMORY HiCORDER
INSTRUCTION MANUAL
8841
8842

Contents
Introduction i
Inspection i
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 Installation and Preparation 7
2.1 Installation of the Unit 7
2.2 Power Supply and Ground Connections 9
2.2.1 Connecting the AC Power Supply 9
2.2.2 Connecting the 9433 DC POWER ADAPTER 10
2.2.3 Functional Grounding of the 8841/8842 12
2.3 Power On/Off 13
2.4 Connection of the Input Unit 14
2.4.1 8936/ 8938/ 8946 ANALOG UNITs 14
2.4.2 8937 VOLTAGE/TEMP UNIT 15
2.4.3 8939 STRAIN UNIT 16
2.4.4 8940 F/V UNIT 17
2.4.5 8947 CHARGE UNIT 19
2.5 Logic Probe Connection 20
2.6 9018-10/9132-10 CLAMP ON PROBE 21
2.7 9322 DIFFERENTIAL PROBE Connection 22
2.8 Loading Recoding Paper 23
2.9 Care of Recording Paper 25
2.10 Notes on Measurement 26
2.10.1 Maximum Input Voltage 28
2.10.2 Using a Voltage Transformer 29
Chapter 3 Basic Key Operation 31
3.1 Basic Key Operation 31
3.1.1 Basic Display Operation (MENU) 31
3.1.2 Printer Key Operation 31
3.1.3 Setting the Items 32
3.1.4 Jog/Shuttle Controls and Select Key 32
3.1.5 Basic Input Operation 33
3.1.6 Measurement Start and Stop Operation 33

3.2 Other Keys Operation 34
3.3 Screen Configuration 35
Chapter 4 Memory Recorder Function 37
4.1 Overview of the Memory Recorder Function 37
4.2 Operation Sequence (MEM) 39
4.3 STATUS Settings (MEM) 41
4.3.1 Setting the Function Mode 42
4.3.2 Setting the Time Axis Range 42
4.3.3 Setting the Recording Length 43
4.3.4 Setting the Display Layout 44
4.3.5 Setting the Interpolation (dot-line) 46
4.3.6 Setting the Print Mode 46
4.3.7 Setting the Roll Mode 47
4.3.8 Setting the Auto Print Function 47
4.3.9 Setting the Auto Save Function 48
4.3.10 Setting the Overlay Function 50
4.3.11 Setting the Averaging Function 51
4.3.12 Setting the Waveform Evaluation 53
4.4 Using the X-Y Waveform Plots (MEM) 54
4.5 Settings on the Waveform Display Screen (MEM) 57
4.6 Auto Range Function 58
4.7 Other Screen Settings 60
4.8 Start and Stop Operation (MEM) 61
Chapter 5 Recorder Function 63
5.1 Overview of the Recorder Function 63
5.2 Operation Sequence (REC) 65
5.3 STATUS Settings (REC) 67
5.3.1 Setting the Function Mode 68
5.3.2 Setting the Time Axis Range 68
5.3.3 Setting the Sampling Period 69
5.3.4 Setting the Recording Length 69
5.3.5 Setting the Display Layout 70
5.3.6 Setting the Print Mode 73
5.3.7 Setting the Additional Recording Function 74
5.3.8 Setting the Printer Function (Real Time Printing) 75
5.3.9 Setting the Auto Save Function 76
5.3.10 Setting the Interpolation (dot-line, X-Y only) 77
5.3.11 Setting the Display Clear Function (X-Y only) 77
5.4 Using the X-Y CONT Recorder 78
5.4.1 Setting the Status Screen 79

5.4.2 Setting the Channel Screen 79
5.4.3 Setting the Display Screen 80
5.5 Settings on the Waveform Display Screen (REC) 81
5.6 Start and Stop Operation (REC) 82
Chapter 6 RMS Recorder Function 83
6.1 Overview of the RMS Recorder Function 83
6.2 Operation Sequence (RMS) 84
6.3 STATUS Settings (RMS) 86
6.3.1 Setting the Function Mode 87
6.3.2 Setting the Time Axis Range 87
6.3.3 Setting the Frequency 88
6.3.4 Setting the Recording Length 88
6.3.5 Setting the Display Layout 89
6.3.6 Setting the Print Mode 91
6.3.7 Setting the Additional Recording Function 92
6.3.8 Setting the Printer Function (Real Time Printing) 93
6.3.9 Setting the Auto Save Function 93
6.4 Settings on the Waveform Display Screen (RMS) 95
6.5 Start and Stop Operation (RMS) 96
Chapter 7 Recorder & Memory Function 97
7.1 Overview of the Recorder & Memory Function 97
7.2 Operation Sequence (REC&MEM) 98
7.3 STATUS Settings (REC&MEM) 100
7.3.1 Setting the Function Mode 101
7.3.2 Setting the Time Axis Range 102
7.3.3 Setting the Recording Length 103
7.3.4 Display Function 104
7.3.5 Setting the Display Layout 105
7.3.6 Setting the Print Mode 106
7.3.7 Setting the Additional Recording Function 107
7.3.8 Setting the Printer Function (Real-time Printing)
108
7.3.9 Setting the Auto Save Function 109
7.3.10 Setting the Real-Time Save 111
7.4 Settings on the Waveform Display Screen (REC&
MEM) 117
7.5 Start and Stop Operation (REC&MEM) 118

Chapter 8 FFT Function 119
8.1 Overview of the FFT Function 119
8.2 Operation Sequence (FFT) 120
8.3 STATUS1 Settings (FFT) 122
8.3.1 Setting the Function Mode 123
8.3.2 Setting the FFT Channel Mode 123
8.3.3 Setting the Frequency Range 124
8.3.4 FFT Number of Points Setup 125
8.3.5 Setting the Window Function 125
8.3.6 Setting the Display Format 126
8.3.7 Selecting Reference Data 128
8.3.8 Setting the FFT Analysis Mode 129
8.3.9 Setting the X-axis and Y-axis Displays 130
8.3.10 Setting the Analysis Channel 132
8.3.11 Setting the Display Scale 133
8.3.12 Octave Filter Setting 134
8.4 STATUS2 Settings (FFT) 135
8.4.1 Setting the Averaging Function 136
8.4.2 Setting the Interpolation (dot-line) 139
8.4.3 Setting the Print Mode 140
8.4.4 Setting the Auto Print Function 140
8.4.5 Setting the Auto Save Function 141
8.4.6 Setting the Waveform Evaluation 142
8.5 Settings on the Waveform Display Screen (FFT) 143
8.6 Start and Stop Operation (FFT) 144
8.7 FFT Analysis Function 145
8.7.1 Storage Waveform [STR] 145
8.7.2 Linear Spectrum [LIN] 146
8.7.3 RMS Spectrum [RMS] 148
8.7.4 Power Spectrum [PSP] 150
8.7.5 Auto Correlation [ACR] 152
8.7.6 Histogram [HIS] 153
8.7.7 Transfer Function [TRF] 154
8.7.8 Cross Power Spectrum [CSP] 156
8.7.9 Cross Correlation [CCR] 158
8.7.10 Unit Impulse Response [IMP] 159
8.7.11 Coherence [COH] 160
8.7.12 Octave Analysis [OCT] 161

Chapter 9 Input Channel Settings 165
9.1 Overview 165
9.2 Operation Procedure (Input Channel Setting) 166
9.3 Setting the CHANNEL Screen 168
9.3.1 Setting the Waveform Display Color 169
9.3.2 Setting the Waveform Display Graph Position 169
9.3.3 Setting the Voltage Axis Range 170
9.3.4 Setting the Input Coupling 170
9.3.5 Setting the Magnification/Compression Ratio
Along the Voltage Axis 171
9.3.6 Setting the Zero Position 172
9.3.7 Setting the Low-pass Filter 173
9.3.8 Setting the Logic Inputs 174
9.4 Copying Channel Settings 175
9.5 Zero Settings 176
9.5.1 Zero Adjustment 176
9.5.2 Zero Offset Setup 177
9.6 Channel Guide Function 179
9.7 Setting the Variable Function 180
9.8 Scaling Function (SYSTEM2) 182
9.8.1 Setting the Scaling Function 183
9.8.2 Scaling Setting Example 186
9.9 Comment Function (SYSTEM 3) 187
9.9.1 Title Comment Entry 187
9.9.2 Analog/Logic Channel Comment Entry 188
9.9.3 Character Entry Procedure 189
9.10 Setting the Waveform Display Screen 191
9.10.1 Entering by CH.SET Key 191
9.10.2 Setting the Vernier Function 192
9.10.3 Direct Channel Setting 193
9.11 Setting the 8937 VOLTAGE/TEMP UNIT 194
9.11.1 Making the Settings of Voltage Measurement 194
9.11.2 Making the Settings of Temperature
Measurement 196
9.12 8938 FFT ANALOG UNIT 199
9.13 Setting the 8939 STRAIN UNIT 200
9.14 8940 F/V UNIT 201
9.14.1 Frequency Measurement 202
9.14.2 Setting the Count Mode 205
9.14.3 Setting the Pulse Duty Ratio Mode 207
9.14.4 Setting the Voltage Mode 209

9.14.5 Setting the Current Measurement 211
9.15 Setting the 8947 CHARGE UNIT 212
9.15.1 Acceleration Measurement (Charge/Preamp)
Selection 213
9.15.2 Setting the Sensor Sensitivity 215
9.15.3 Setting the Voltage Measurement 216
Chapter 10 Trigger Functions 217
10.1 Overview of the Trigger Functions 217
10.2 Operation Sequence (Trigger mode setting) 218
10.3 TRIGGER Screen Organization 220
10.4 Trigger Mode 221
10.5 Pre-trigger 222
10.6 Trigger Timing (REC only) 224
10.7 Trigger Source AND/OR Linking 225
10.8 Analog Trigger 226
10.8.1 Level Trigger 226
10.8.2 Window Trigger 229
10.8.3 Voltage Drop Trigger 231
10.8.4 Period Trigger 233
10.8.5 RMS Level Trigger 236
10.9 Logic Trigger 238
10.10 External Trigger Function 240
10.11 Timer Trigger Function 241
10.12 Manual Trigger 244
10.13 Trigger Output Terminal 244
Chapter 11Waveform Display Screen Operation 245
11.1 Scrolling the Waveform 246
11.2 Using the A･B Cursors 247
11.2.1 Using the Line Cursors (Vertical) 248
11.2.2 Using the Line Cursors (Horizontal) 249
11.2.3 Using the Trace Cursors 250
11.2.4 Using the A･B Cursors (X-Y Screen) 252
11.3 Magnification/compression Ratio Along the Time
Axis 253
11.4 Zoom Function (MEM only) 254
11.5 Input Level Monitor Function 255
11.6 View Function (VIEW key) 256
11.6.1 Position Display 256
11.6.2 Block Display (MEM only) 257

Chapter 12 SYSTEM Screen Settings 259
12.1 Overview 259
12.2 SET UP Screen (SYSTEM 1) 260
12.2.1 Using Channel (MEM only) 260
12.2.2 Start Backup 261
12.2.3 Backlight Saver 261
12.2.4 Display Color 262
12.2.5 Beep Sound 262
12.2.6 Display Language 263
12.2.7 Grid Type 263
12.2.8 Channel Marker 263
12.2.9 Time Value 264
12.2.10 List & Gauge 264
12.2.11 Printer Density 264
12.2.12 Upper-lower Values Print 264
12.2.13 0 Position Comment 265
12.2.14 Counter Print 265
12.2.15 Numerical Input 265
12.2.16 Variable Auto Calibration 266
12.3 SCALING Screen (SYSTEM 2) 266
12.4 COMMENT Screen (SYSTEM 3) 267
12.5 INTERFACE Screen (SYSTEM 4) 268
12.5.1 Output Destination by the COPY Key 269
12.5.2 Output Destination by the PRINT Key 269
12.5.3 Interface Settings 269
12.5.4 Setting the SCSI ID 270
12.5.5 Setting the Internal MO (when the 9607 is
installed) 270
12.5.6 Setting the LAN 271
12.6 INITIALIZE Screen 278
12.6.1 Setting the Clock 278
12.6.2 Clearing the Waveform Data 278
12.6.3 System Reset 279
12.6.4 List System Configuration 279
12.7 Self-check 280
12.7.1 ROM/RAM Check 280
12.7.2 Printer Check 280
12.7.3 Display Check 281
12.7.4 Key Check 281
12.7.5 PC Card Check 281

Chapter 13 Printout of Measurement Data 283
13.1 Printout of Measurement Data Operating
Procedure 284
13.2 Setting the STATUS Screen (printout) 286
13.2.1 Setting the Display Format 286
13.2.2 Setting the Print Mode 287
13.3 Setting the CHANNEL Screen (printout) 288
13.3.1 Setting the Print Density 288
13.3.2 Setting the Waveform Display Graph Position 289
13.4 Setting the SYSTEM Screen (printout) 290
13.4.1 SET UP Screen (SYSTEM 1) 290
13.4.2 SCALING Screen (SYSTEM 2) 292
13.4.3 COMMENT Screen (SYSTEM 3) 292
13.4.4 Setting the Output Destination by the COPY
Key 293
13.4.5 Setting the Output Destination by the PRINT
Key 294
13.5 Example of Printer Output 296
13.6 Printing Procedure 303
13.6.1 Manual Print 303
13.6.2 Auto Print 304
13.6.3 Real Time Print 305
13.6.4 Partial Print 306
13.6.5 Screen Hard Copy 307
13.6.6 List Print 307
13.6.7 Report Print 307
13.7 External Printer (color print) 308
Chapter 14 Storing Measurement Data 311
14.1 Floppy Disk 312
14.2 9607 MO UNIT (Option) 313
14.2.1 Setting the Internal MO 314
14.3 PC Card 315
14.3.1 Using the PC Card Slot (PC Card with a
Cable Only) 316
14.4 SCSI Interface 317
14.4.1 SCSI Interface Specifications 317
14.4.2 Setting the MO Disk Drive 318
14.4.3 Setting the SCSI ID 319
14.5 Selecting the Media Type 320
14.6 Initializing (FORMAT) 321
14.7 Saving the Data (SAVE) 322