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U1242B
Agilent Technologies U1242B User Manual
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25
Agilent T
echnologies
U1241B and U1242B
Handheld Digital Multimeter
User’s and Service Guide
3
Default Setting Configurations
Setting Conf
igurations
26
This chapter describes on ho
w t
o chan
ge and configure t
he default setting
of U1241B and U1242B handheld digital multimeters includin
g data
logging and other setting features.
42
44
Table of Contents
Default Chapter
3
Safety Symbols
3
General Safety Information
5
Table of Contents
11
Getting Started
17
Checking the Shipping Contents
17
The Front Panel at a Glance
18
Adjusting Tilt Stand
18
The Annunciator at a Glance
19
Analog Bar Graph
20
The Keypad and Rotary Switch at a Glance
20
The Input Terminal at a Glance
23
Features and Functions
25
Measuring Current (< 440 Ma)
25
Measuring Voltage
25
Features and Functions
26
Measuring Current (> 440 Ma)
26
Measuring Voltage
26
Measuring % Scale of 4 - 20 Ma
27
Measuring Current (< 440 Ma)
27
Measuring Frequency
28
Measuring Resistance and Testing Continuity
28
Testing Diodes
29
Measuring Capacitance
30
Measuring Temperature
30
Measuring Harmonic Ratio (U1242B)
32
Using Switch Counter
32
Minmax Recording
34
Data Hold (Trigger Hold)
35
Refresh Hold
35
Data Logging (U1242B)
36
Null (Relative)
36
Manual Logging
37
Interval Logging
38
Removing Logged Data
39
Reviewing Logged Data
39
Scanning Temperature Measurement (U1242B)
39
Checking Battery Capacity
40
Alerts and Warning During Measurement
41
Overload Alert
41
Default Setting Configurations
43
Setting Configurations
44
Service and Maintenance
47
General Maintenance
47
Battery Replacement
48
General Maintenance
48
Fuse Replacement
49
Troubleshooting
51
Returning Instrument for Service
53
Performance Tests and Calibration
56
Calibration Overview
56
Closed-Case Electronic Calibration
56
Calibration Interval
56
Adjustment Is Recommended
57
Recommended Test Equipment
58
Basic Operating Test
59
Backlight Test
59
Testing the Display
59
Input-A Terminal Test
60
Input-Ma Terminal Alert Test
60
Calibration Process
60
Test Considerations
61
Input Connections
62
Performance Verification Tests
62
Calibration Security
66
Using the Front Panel for Adjustments
68
Adjustment Considerations
69
Valid Adjustment Input Values
70
Calibration Adjustments
71
Exiting Adjustment Mode
75
Calibration Count
76
Calibration Errors
76
Specifications and Characteristics
77
Resistance Specifications
77
DC Specifications
78
AC Specifications
79
Diode Check/Audible Continuity Test Specifications
80
Resistance Specifications
80
Temperature Specifications
82
Capacitance Specifications
83
Harmonic Ratio Specifications
83
Frequency Specifications
84
Operating Specifications
85
General Characteristics
86
Other manuals for Agilent Technologies U1242B
User's And Service Guide
81 pages
Quick Start Guide
7 pages
4
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Agilent Technologies U1242B Specifications
General
Brand
Agilent Technologies
Model
U1242B
Category
Multimeter
Language
English
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