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U1253B
Keysight Technologies U1253B - User Manual
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Keysight U1253B
True RMS OLED Mul
timeter
User’
s and
Service Guide
2
Table of Contents
Main Page
Default Chapter
3
Safety Symbols
3
General Safety Information
4
Environmental Conditions
7
Regulatory Markings
8
Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/ EC
9
Product Category
9
Sales and Technical Support
9
In this Guide
10
Table of Contents
11
1 Getting Started
21
Introducing the Keysight U1253B True RMS OLED Multimeter
22
Check the Shipment
23
Installing the Battery
24
Adjusting the Tilt-Stand
26
Figure 1-2 Tilt-Stand at
27
Figure 1-3 Tilt-Stand at Hanging Position
27
Figure 1-1 Tilt-Stand at
28
The Front Panel at a Glance
29
Figure 1-4 U1253B Front Panel
29
The Rear Panel at a Glance
30
Figure 1-5 Rear Panel
30
The Rotary Switch at a Glance
31
Figure 1-6 Rotary Switch
31
Table 1-1 Rotary Switch Description and Functions
31
The Keypad at a Glance
32
Figure 1-7 U1253B Keypad
32
Table 1-2 Keypad Descriptions and Functions
34
The Display at a Glance
36
Table 1-3 General Display Symbols
36
Table 1-4 Primary Display Symbols
38
Table 1-5 Secondary Display Symbols
40
Table 1-6 Analog Bar Range and Counts
41
Selecting Display with the Shift Button
42
Table 1-7 Selecting Display with the Shift Button
42
Selecting Display with the Dual Button
44
Table 1-8 Selecting Display with the Dual Button
44
Selecting Display with the Hz Button
47
Table 1-9 Selecting Display with the Hz Button
47
The Terminals at a Glance
49
Figure 1-8 Connector Terminals
49
Table 1-10 Terminal Connections for Different Measurement Functions
50
2 Making Measurements
51
Understanding the Measurement Instructions
52
Measuring Voltage
52
Table 2-1 Numerical Steps Descriptions
52
Figure 2-1 Measuring AC Voltage
53
Measuring AC Voltage
53
Measuring DC Voltage
54
Figure 2-2 Measuring DC Voltage
55
Measuring AC and DC Signals
56
Measuring Current
57
Μa and Ma Measurement
57
Figure 2-3 Measuring Μa and Ma Current
58
Percentage Scale of 4 Ma to 20 Ma
59
Table 2-2 Percentage Scale and Measurement Range
59
Figure 2-4 Measurement Scale of 4 Ma to 20 Ma
60
A (Ampere) Measurement
61
Figure 2-5 a (Ampere) Current Measurement
61
Frequency Counter
62
Figure 2-6 Measuring Frequency
63
Measuring Resistance, Conductance, and Testing Continuity
64
Figure 2-7 Type of Display When Smart Ω Is Enabled
65
Figure 2-8 Measuring Resistance
66
Figure 2-9 Resistance, Audible Continuity, and Conductance
67
Table 2-3 Audible Continuity Measurement Range
68
Figure 2-10 Short Continuity and Open Continuity Test
69
Figure 2-11 Conductance Measurement
70
Testing Diodes
71
Figure 2-12 Measuring the Forward Bias of a Diode
72
Figure 2-13 Measuring the Reverse Bias of a Diode
73
Measuring Capacitance
74
Figure 2-14 Capacitance Measurements
75
Measuring Temperature
76
Figure 2-15 Connecting the Thermal Probe into the Non-Compensation Transfer Adapter
77
Figure 2-16 Connecting the Probe with Adapter into the
77
Figure 2-17 Surface Temperature Measurement
79
Alerts and Warning During Measurement
80
Overload Alert
80
Input Warning
81
Figure 2-18 Input Terminal Warning
81
Charge Terminal Alert
82
Figure 2-19 Charge Terminal Alert
82
3 Functions and Features
83
Dynamic Recording
84
Figure 3-1 Dynamic Recording Mode Operation
85
Data Hold (Trigger Hold)
86
Figure 3-2 Data Hold Mode Operation
87
Refresh Hold
88
Figure 3-3 Refresh Hold Mode Operation
89
Null (Relative)
90
Figure 3-4 Null (Relative) Mode Operation
91
Decibel Display
92
Figure 3-5 Dbm Display Mode Operation
93
Figure 3-6 Dbv Display Mode Operation
94
Ms Peak Hold
95
Figure 3-7 1 Ms Peak Hold Mode Operation
96
Data Logging
97
Manual Logging
97
Figure 3-8 Manual (Hand) Logging Mode Operation
98
Figure 3-9 Full Log
98
Interval Logging
99
Figure 3-10 Interval (Time) Logging Mode Operation
100
Reviewing Logged Data
101
Figure 3-11 Log Review Mode Operation
102
Square Wave Output
103
Table 3-1 Available Frequencies for Square Wave Output
103
Figure 3-12 Frequency Adjustment for Square Wave Output
104
Figure 3-13 Duty Cycle Adjustment for Square Wave Output
105
Figure 3-14 Pulse Width Adjustment for Square Wave Output
106
Remote Communication
107
Figure 3-15 Cable Connection for Remote Communication
107
4 Changing the Default Settings
109
Selecting Setup Mode
110
Default Factory Settings and Available Setting Options
111
Table 4-1 Default Factory Settings and Available Setting Options for each Feature
111
Figure 4-1 Setup Menu Screens
114
Figure 4-2 Data Hold/Refresh Hold Setup
115
Setting Data Hold/Refresh Hold Mode
115
Figure 4-3 Data Logging Setup
116
Setting Data Logging Mode
116
Figure 4-4 Log Time Setup for Interval (Time) Logging
117
Figure 4-5 Decibel Measurement Setup
118
Setting Db Measurement
118
Figure 4-6 Setting up the Reference Impedance for Dbm Unit
119
Setting Reference Impedance for Dbm Measurement
119
Figure 4-7 Thermocouple Type Setup
120
Setting Temperature Unit
120
Setting Thermocouple Types
120
Figure 4-8 Temperature Unit Setup
121
Figure 4-9 Setting up Percentage Scale Readout
122
Setting Percentage Scale Readout
122
Figure 4-10 Choosing the Sound Used in Continuity Test
123
Sound Setting for Continuity Test
123
Figure 4-11 Minimum Frequency Setup
124
Setting Minimum Measurable Frequency
124
Figure 4-12 Beep Frequency Setup
125
Setting Beep Frequency
125
Setting Auto Power off Mode
126
Figure 4-13 Automatic Power Saving Setup
127
Figure 4-14 Power-On Backlight Setup
128
Setting Power-On Backlight Brightness Level
128
Figure 4-15 Power-On Melody Setup
129
Figure 4-16 Power-On Greeting Setup
129
Setting the Power-On Greeting Screen
129
Setting the Power-On Melody
129
Figure 4-17 Baud Rate Setup for Remote Control
130
Setting Baud Rate
130
Figure 4-18 Data Bits Setup for Remote Control
131
Setting Data Bits
131
Figure 4-19 Parity Check Setup for Remote Control
132
Setting Parity Check
132
Figure 4-20 Echo Mode Setup for Remote Control
133
Setting Echo Mode
133
Figure 4-21 Print Mode Setup for Remote Control
134
Setting Print Mode
134
Figure 4-22 Revision Number
135
Figure 4-23 Serial Number
135
Revision
135
Serial Number
135
Figure 4-24 Voltage Alert Setup
136
Voltage Alert
136
M-Initial
137
Table 4-2 Available Settings for M-Initial
137
Figure 4-25 Setting Initial Measurement Functions
138
Figure 4-26 Navigating between the Initial Functions
139
Figure 4-27 Editing Initial Measurement Function/Range
139
Figure 4-28 Editing Initial Measurement Function/Range and Initial Output Values
140
Figure 4-29 Refresh Rate for Primary Display Readings
141
Smooth Refresh Rate
141
Figure 4-30 Resetting to Default Factory Settings
142
Returning to Default Factory Settings
142
Figure 4-31 Battery Type Selection
143
Setting the Battery Type
143
Figure 4-32 Filter
144
Setting the Filter
144
Table 4-3 Firmware Version 2.25 or Older
144
Table 4-4 Firmware Version 2.26 or Newer
144
5 Maintenance
145
Introduction
146
General Maintenance
146
Maintenance Introduction
146
Battery Replacement
147
Figure 5-1 9 V Rectangular Battery
147
Figure 5-2 Rear Panel of the Keysight U1253B True RMS OLED
148
Storage Considerations
149
Charging the Battery
150
Figure 5-3 Self-Testing Time Display
152
Table 5-1 Battery Voltage and Corresponding Percentage of Charges in Standby and Charging Modes
152
Figure 5-4 Performing Self-Test
153
Table 5-2 Error Messages
153
Figure 5-5 Charging Mode
154
Figure 5-6 Fully Charged and in the Trickle State
155
Figure 5-7 Battery Charging Procedures
156
Fuse Checking Procedure
157
Figure 5-8 Fuse Checking Procedures
157
Fuse Replacement
159
Figure 5-9 Fuse Replacement
160
Table 5-4 Fuse Specifications
160
Troubleshooting
161
Table 5-5 Basic Troubleshooting Procedures
162
Replaceable Parts
163
To Order Replaceable Parts
163
6 Performance Tests and Calibration
166
Calibration Overview
166
Closed-Case Electronic Calibration
166
Keysight Technologies' Calibration Services
166
Performance Tests and Calibration Calibration Overview
166
Calibration Interval
167
Other Recommendations for Calibration
167
Recommended Test Equipment
168
Table 6-1 Recommended Test Equipment
168
Basic Operating Tests
169
Testing the Display
169
Figure 6-1 Displaying All OLED Pixels
169
Current Terminals Test
170
Figure 6-2 Current Terminal Error Message
170
Charge Terminals Alert Test
171
Figure 6-3 Charge Terminal Error Message
171
Test Considerations
172
Performance Verification Tests
173
Table 6-2 Performance Verification Tests
177
Calibration Security
180
Unsecuring the Instrument for Calibration
180
Figure 6-4 Unsecuring the Instrument for Calibration
182
Changing Calibration Security Code
183
Figure 6-5 Changing the Calibration Security Code
184
Resetting the Security Code to Factory Default
185
Adjustment Considerations
187
Figure 6-6 Resetting Security Code to Factory Default
187
Table 6-3 Valid Adjustment Reference Input Values
188
Valid Adjustment Reference Input Values
188
Calibration from Front Panel
192
Calibration Process
192
Calibration Procedures
193
Figure 6-7 Typical Calibration Process Flow
195
Table 6-4 List of Calibration Items
196
Calibration Count
200
Calibration Error Codes
201
Table 6-5 Calibration Error Codes and Their Respective Meanings
201
7 Specifications
203
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Keysight Technologies U1253B Specifications
General
Brand
Keysight Technologies
Model
U1253B
Category
Multimeter
Language
English
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