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SM7420
Hioki SM7420 Manuals
Manuals and User Guides for Hioki SM7420. We have
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Hioki SM7420 manuals available for free PDF download: Instruction Manual
Hioki SM7420 Instruction Manual (162 pages)
SUPER MEGOHM METER
Brand:
Hioki
| Category:
Measuring Instruments
| Size: 5 MB
Table of Contents
Table of Contents
2
Introduction
6
Notati
6
Verifying Package Contents
8
Measurement Procedure
11
Safety Information
12
Operating Precautions
13
1 Overview
20
Product Overview and Features
20
Names and Functions of Parts
21
Screen Configuration and Operation
26
Measurement Screens
26
Settings Screens
27
Basic Key Operation
28
Displaying Measurement Screen
28
Displaying the Various Menu Settings
28
Screens
28
Selecting Settings Items
29
Methods for Changing Numerical Values
30
2 Preparing for Measurement
32
Connecting Power Cord to Instrument
32
Connecting Measurement Leads to Instrument
33
Connecting Electrode
33
Connecting Humidity Sensor
34
Outputting Measurement Current Value Converted to Analog Signal
35
Turning On/Off Instrument
36
Inspection before Use
37
3 Basic Measurement
38
Setting Measured Value Display Mode
38
Changing Display Notation
39
Changing Displayed Digits
39
Setting Voltage Value for Resistance Calculation
40
Setting Measurement Speed
41
Changing Current Range
42
Connecting Measurement Leads or Electrode to Object to be Measured
43
Starting/Stopping Measurement
44
Confirming Measurement Results
44
Detecting a Measurement Abnormality
44
Temperature Measurement Indication
44
Out-Of-Range Indication
44
Basic Measurement Examples
45
4 Applied Measurement
48
Starting Measurement after Measured Value Becomes Stable (Delay Function)
48
Reducing Variation in Measured Values (Average Function)
49
Changing Measurement Starting Conditions (Trigger Function)
51
Setting the Trigger Mode
51
Inputting an External Trigger
51
Maintaining Measurement Accuracy (Self-Calibration Function)
52
Contact Check (Various Settings)
54
Correction Function)
57
Contact Check (Executing Contact Check, Setting Reference Value)
58
Setting Resistivity Calculation (Resistivity Measurement Function)
60
Further Accelerating Measurement
63
During Measurement)
63
5 Measurement Methods Suitable for Various Objects to be Measured
64
Measuring Components of Circuits
64
Measurement with Use of a Measurement Fixture
65
Measurement Without Use of a Measurement Fixture
66
Automatic Measurement
67
Measuring Flat Sample
68
Measurement Using Pin Type Terminals
68
Measurement Using an Electrode for Measuring Surface Resistance
68
Measurement Using an Electrode for a Flat Sample
69
Volume Resistance Measurement and
69
(The Functional Role of the Guard Electrode)
69
Measuring a Liquid Sample
71
When Using an Electrode for Liquid Samples
71
Measurement with Use of Shielding Box
72
Measuring Current
73
6 Judging Measured Value (Comparator Function)
74
Setting Judgment Sound
76
Confirming Judgment Results
77
7 Saving and Loading Settings (Panel Saving and Loading)
78
Saving Settings (Panel Saving Function)
79
Loading Settings (Panel Loading Function)
80
Changing Panel Name
81
Deleting Panel Contents
82
8 System Setting
84
Setting Sound of Key Operation
84
Disabling Key Operation (Key Lock Function)
85
Browsing, Deleting, and Outputting Internal Memory Data
86
Browsing and Deleting Data
87
Setting D/A Output
88
Adjusting Screen Contrast
89
Adjusting Backlight Brightness
89
Changing Power Frequency Setting (Power Frequency Setting Function)
90
Initializing Settings (Reset)
91
Default Setting List
92
Checking Instrument Information
93
9 External Control (EXT I/O)
94
Switching Current Sink (NPN) / Current Source (PNP)
95
External Input/Output Terminals and Signals
95
Instrument-Side Connector and Mating Connectors
95
Instrument-Side Connector Pin Assignment
96
Functions of each of the Signals
98
Timing Chart
99
From When Measurement Starts to When Judgment Result Is Acquired
99
Output Signal Status on Start-Up
102
Flowchart for Acquiring a Judgment Result or a Measured Value with the External Trigger Setting
102
Internal Circuit Configuration
103
Electrical Specifications
104
Examples of Connection
105
Assembling Male Connector for EXT I/O (Accessory)
107
EXT I/O Terminal Input and Output Testing
108
Settings for External Input and Output
109
Trigger Logic
109
Trigger Filter
110
GO-Signal Outputting Logic Level
111
EOM Signal Output Mode
112
10 Communications (USB, RS-232C, GP-IB)
114
Summary and Features of Interface
114
USB Interface
115
Installing the USB Driver
115
Connecting the USB Cable
115
Setting the Instrument
116
RS-232C Interface
117
Connecting the RS-232C Cable
117
Setting the Instrument
118
Setting the Controller (Computer or PLC)
118
GP-IB Interface
119
Connecting the GP-IB Cable
119
Setting the Instrument
119
Settings Common to Interfaces
121
Outputting Measured Values (Data Output Function) (RS-232C and USB Only)
121
Displaying Communication Commands (Communication Monitor Function)
122
Control by Using Commands
123
Remote State
123
Local State
123
11 Specifications
124
General Specifications
124
Input/Output/Measurement Specifications
125
Basic Specifications
125
Accuracy Specifications
126
Function Specifications
129
Interface Specifications
135
External I/O Specifications
136
12 Maintenance and Service
138
Troubleshooting
138
Q&A (Frequently Asked Questions)
138
Error Display and Solution
141
Inspection, Repair and Cleaning
143
Appx. 1 Internal Circuits
144
Appendix Appx.1
144
Appx. 2 Changes in Current Running through Insulator
145
Noise
146
Appx. 4 Using Instrument with
149
Connecting Objects to be Measured and the Switching Unit to the Instrument
150
For Object to be Measured
150
Selecting Relays to be Installed in the Switching Unit
151
Circuit Diagram of the Switching Unit
152
Including Current-Limiting Resistor (Protective Resistance) and Relay
152
Current-Limiting Resistor
153
Appx. 6 Modifying Measurement Lead
154
Rack
156
Appx. 7 Mounting Instrument in
156
Appx. 8 Dimensional Diagram
158
Melrose, MA
162
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Hioki SM7420 Instruction Manual (48 pages)
SUPER MEGOHM METER
Brand:
Hioki
| Category:
Measuring Instruments
| Size: 3 MB
Table of Contents
Table of Contents
2
Introduction
5
Message Format
5
Output Queue and Input Buffer
8
Status Byte Register
9
Event Registers
10
Initialization Items
12
Local Function
13
Command Execution Time
13
Errors During Communications
13
Message List
14
Message Reference
17
Message Reference Interpretation
17
Standard Commands
18
System Data Command
18
Idn
18
Internal Operation Command
18
Rst
18
Tst
18
Synchronization Commands
18
Opc
18
Wai
19
Status and Event Control Commands
19
Cls
19
Ese
19
Esr
19
Sre
20
Stb
20
Trg
20
Device-Specific Commands
21
Measurement Status
21
Start
21
Stop
21
State
21
Reading Measured Values
22
Measure
22
Measure:comparator
22
Measure:result
22
Measure:clear
22
Tempureture and Humidity Value
23
Measure:temperature
23
Measure:humidity
23
Measured Value Display Mode
23
Measure:mode
23
Measuremt Format
23
Measure:format
23
The Number of Displayed Digits
24
Measure:digit
24
Current Channel
24
Cchannel
24
Applied Voltage
24
Voltage
24
Measurement Speed
24
Speed
24
Range
25
Range:auto
25
Delay
25
Average
26
Average:count
26
Trigger
26
Self-Calibration
26
Calibration
26
Calibration:auto
27
Calibration:time
27
Contact Check
27
Contactcheck:frequency
27
Contactcheck:workc
28
Contactcheck:cable
28
Contactcheck:cable:auto
28
Contactcheck:delay
29
Open
29
Open:value
29
Contactcheck:state
30
Contactcheck:limit
30
Contactcheck
30
Contactcheck:value
31
Drawing Update During Measurement
31
Display:update
31
Resistivity Measurement Function
31
Electric:d1
31
Electric:d2
32
Electric:t
32
Electric:k
32
Comparator
33
Comparator:limit
33
Comparator:beeper
33
Panel Saving and Loading
33
Panel:save
33
Panel:save
34
Panel:load
34
Panel:name
34
Panel:clear
34
Key Beeper
35
Key-Lock
35
System:klock
35
Internal Memory
35
Memory
35
Memory:range
36
Memory:state
36
Memory:count
36
Memory:clear
37
D/A Output Function
37
Daoutput
37
Lcd
37
Display:mode
37
Display:contrast
37
Display:backlight
38
Line Frequency
38
System:lfrequency
38
System:lfrequency:auto
38
Reset
38
Ext I/O
39
Io:edge
39
Io:filter:state
39
Io:filter:time
39
Io:gologic
40
Io:eom:mode
40
Io:eom:pulse
40
Io:outpin
41
Io:mode
41
Device Event Status Enable Register
41
Dse0
41
Dsr
41
Command Header
42
System:header
42
Communications Settings
42
System:local
42
System:terminator
42
Measurement Value Format
43
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