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7481
ADCMT 7481 Manuals
Manuals and User Guides for ADCMT 7481. We have
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ADCMT 7481 manual available for free PDF download: Operation Manual
ADCMT 7481 Operation Manual (344 pages)
Brand:
ADCMT
| Category:
Multimeter
| Size: 7 MB
Table of Contents
Table of Contents
9
List of Illustrations
15
Preface
19
Product Overview
19
Optional Accessories
20
Optional Accessory List
20
Standard Accessory List
20
Supplied Accessories
20
Environmental Conditions
21
Operating Environment
21
Operating Environment
22
Positioning
22
Changing Power Voltage, and Checking or Replacing Power Fuse
23
Power Conditions
23
Power Supply
23
Power Supply Conditions
23
Connecting Power Cable
25
Power Plug for each Country
25
Input Cable
26
Replacing Protection Fuses
28
Cleaning, Storage, and Transport Methods
29
Storage
29
Transport
29
1.10 Calibration
30
1.11 EMI and EMC Measures
30
Precautions
30
1.12 Life Limited Parts
31
1.13 Product Disposal and Recycling
32
Substances and Components to be Sorted
32
Front Panel
35
Panel Description
35
Power Switch
35
Measurement Function Selection Keys
36
Measurement Range Selection Keys
36
Sampling Keys
36
Calculation Keys
37
Entry Keys
37
Input Keys
37
Memory Keys
37
Display
38
Rear Panel
40
Basic Operation
41
Power on and Self-Test
41
Backup of Measurement Conditions
42
Initial States
42
Initial States of Parameters
42
Initialization (Initialization of Measurement Conditions)
42
How to Initialize
45
Opening or Short-Circuiting LOW-GUARD
46
Switching Input Terminals
46
DC Voltage Measurement (DCV)
47
Input Connection
47
Maximum Allowable Input Voltage
47
Range Configuration
47
Range Configuration (DCV)
47
Measurement Condition Setting
48
Maximum Allowable Input Voltage for Ratio Measurement
49
Maximum Allowable Input Voltage
52
Range Configuration (Resistance Measurement)
52
Resistance Measurement
52
2-Wire Resistance Measurement (2 WΩ)
53
4-Wire Resistance Measurement (4 WΩ)
53
Resistance Measurement Condition Setting
54
DC Current Measurement (DCI)
61
Input Connection
61
Range Configuration
61
Range Configuration (DCI)
61
Measurement Condition Setting
62
AC Voltage Measurement (ACV) (7482 Only)
63
Maximum Allowable Input Voltage
63
Range Configuration
63
Range Configuration (ACV)
63
Input Connection
64
Measurement Condition Setting
64
Frequency Band and Response Time
65
AC Current Measurement (ACI) (7482 Only)
68
Input Connection
68
Range Configuration
68
Range Configuration (ACI)
68
Frequency Band and Response Time
69
Measurement Condition Setting
69
Frequency/Period Measurement (FREQ/PERIOD) (7482 Only)
73
Input Connection
73
Selection between Frequency Measurement and Period Measurement
73
Maximum Number of Display Digits by Gate Time
74
Frequency/Period Measurement Range
78
3.11 Range Setting
80
Auto-Range Level
80
When in Auto-Range State
80
When in Manual-Range State
80
3.12 Integration Time/Display Digits Setting
83
Display Digits
85
Integration Time and Display Digits
85
3.13 Auto-Zero
87
3.14 Null
88
3.15 Errors
90
Panel Display
90
Remote Display
90
Error Read-Out by Remote Output
91
Error Read-Out from Panel
91
Alarm Conditions
92
Over-Input Voltage Detection (Alarm)
92
Event History
93
Precautions in Case of Alarm
93
Read-Out
94
How to Navigate Menus
95
Menu
95
Menu and Functions
95
Key Functions
96
4.1.2 Menu List
97
DC Voltage Measurement (DCV)
103
Measurement Function
103
DC Current Measurement (DCI)
104
Resistance Measurement (2 WΩ/4 WΩ)
104
AC Voltage Measurement (ACV) (7482 Only)
105
AC Current Measurement (ACI) (7482 Only)
106
Frequency/Period Measurement (FREQ/PERIOD) (7482 Only)
107
Calculation Function
108
Trigger System
108
Memory Function
109
Parameter Initialization, Saving and Reading Function
109
Interface
110
Maintenance
111
Buzzer Setting
112
System
112
4.9.2 Display Selection
113
Internal Temperature Display
113
Date and Time Setting
114
Line Frequency Display
114
Error Queue Display
115
Relay Switching Count Display
115
Serial Number and Software Revision Display
115
Event History Display
116
Calculation Function
117
Overview
117
Digital Filter (D. Filter)
121
Smoothing
121
Averaging
122
Format Calculation (Format)
123
Scaling
124
Deviation (Deviation)
125
Delta
126
Db Conversion (Db)
127
Rms
128
Dbm Conversion (Dbm)
129
Resistance Temperature Compensation (OHM-TEMP)
130
Rtd
131
Comparator
133
Internal Circuit of Comparator Output
136
Statistical Calculation (Statistics)
137
Internal Memory Function
141
Overview
141
Storing and Reading out Setting Conditions
141
6.2.1 Initial State of Memory
142
Memory Contents of Setting Conditions
142
6.2.2 Saving Setting Conditions
145
Recalling Setting Conditions
146
6.2.4 Setting Conditions Recalled at Power on
147
Storing Measurement Data
148
6.3.1 Setting Number of Stored Data
149
Data Storing Ending Conditions
150
6.3.3 How to Store Measurement Data
153
6.4 Recalling Measurement Data
154
Calculations on Recalled Data
154
How to Recall Measurement Data
154
Format (ASCII) for Remote Output
156
Information Reference by Remote Output
156
List of Saved Files
157
Transfer of Measurement Data to USB Memory
157
6.6.3 Saving Files
158
Folder Hierarchy
158
6.6.4 Deleting Files
159
Trigger Model (for SCPI Commands)
161
Trigger System Functions and Usage
161
Trigger System Model Diagram (for SCPI Commands)
162
IDLE State (SCPI)
163
INITIATE State (SCPI)
163
Arm Layer (SCPI)
164
Trigger Layer (SCPI)
165
IDLE State (ADC)
166
INITIATE State (ADC)
166
Trigger Model (for ADC Commands)
166
Arm Layer (ADC)
167
Trigger Layer (ADC)
168
IDLE State (Panel Operation)
169
INITIATE State (Panel Operation)
169
Trigger Model (for Panel Operation)
169
Arm Layer (Panel Operation)
170
Trigger Layer (Panel Operation)
171
Arm Layer and Trigger Layer
172
External Trigger Signal and External Event Detection Position
173
Signal to be Measured and Level Event Detection Position
173
AC Power Waveform and LINE Event Detection Position
174
Edge and Level Setting of Trigger Signal
175
Delay Time
176
Timer Event
176
Event Detection Bypass
177
Repeated Processing
177
Complete Signal Output
178
Complete Signal Waveform
178
Trigger System Errors
179
FAST Mode
180
Measurable Functions
180
Restrictions in FAST Mode
180
Measurement Rate
181
Rate Time
181
7.6 Trigger System in FAST Mode
182
Trigger System Flowchart in FAST Mode
182
Arm Layer
184
INITIATE State
184
Trigger Layer
184
Complete Signals in FAST Mode
185
Measurement Data Output Method and Format for FAST Mode
186
How to Output Raw Data
187
How to Find True Values
188
Interface Setting Items and Factory Defaults
189
Remote Control
189
Interface Function
190
Standard Bus Cable
191
LAN Setting Items
197
Communication Settings When Using LAN
198
Output Data Element
202
Mantissa Part and Exponent Part
204
Mantissa Part and Exponent Part (Frequency/Period)
205
REAL 64 Output Format
208
SCPI Status Register Configuration
210
Event Register and Enable Register
211
Status Byte Register
212
RQS/MSS Bit and Service Request (SRQ)
214
Standard Event Status Register
215
Measurement Event Register
216
Questionable Event Register
217
Operation Event Register
218
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