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U1231A
Agilent Technologies U1231A User Manual
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Introduction
1
Your Multimeter in Brief
U1231A/U1232A/U1233A User’s Gu
ide
15
Y
our Multimeter in Brief
Dimensions
Front view
Figure 1-5
Width dimension
86 mm
32
34
Table of Contents
Default Chapter
1
Digital Multimeter
1
Restricted Rights Legend
2
Safety Symbols
3
Safety Considerations
4
Environmental Conditions
6
Table of Contents
11
1 Introduction
19
About this Manual
20
Documentation Map
20
Safety Notes
20
Preparing Your Multimeter
21
Checking the Shipment
21
Installing the Batteries
21
Figure 1-1 Installing the Batteries
22
Table 1-1 Battery Level Indicator
23
Turning on Your Multimeter
24
Automatic Power-Off (APO)
24
Figure 1-2 Powering on the Multimeter
24
Enabling the Backlight
25
Enabling the Flashlight
25
Selecting the Range
27
Alerts and Warnings During Measurement
28
Adjusting the Tilt Stand
29
Connecting the IR-USB Cable
29
Figure 1-3 Tilt-Stand Adjustment and IR-USB Cable Connection
29
Figure 1-4 Agilent GUI Data Logger Software
30
Power-On Options
31
Table 1-2 Power-On Options
31
Your Multimeter in Brief
33
Dimensions
33
Figure 1-5 Width Dimension
33
Figure 1-6 Height and Depth Dimensions
34
Overview
35
Figure 1-7 Front Panel
35
Table 1-3 Front Panel Parts
35
Figure 1-8 Rear Panel
36
Table 1-4 Rear Panel Parts
36
Rotary Switch
37
Table 1-5 U1231A/U1232A/U1233A Rotary Switch Functions
38
Keypad
40
Table 1-6 Keypad Functions
40
Display Screen
42
Table 1-7 General Annunciators
42
Table 1-8 Measurement Units Display
44
Table 1-9 Analog Bar Graph Display
45
Input Terminals
46
Table 1-10 U1231A Terminal Connections for Different Measuring
46
Table 1-11 U1232A and U1233A Terminal Connections for Different Measuring Functions
47
Cleaning Your Multimeter
48
2 Making Measurements
49
Measuring AC Voltage
50
Figure 2-1 AC Voltage Display
50
Figure 2-2 Measuring AC Voltage
51
Measuring DC Voltage
52
Measuring AC/DC MV
52
Figure 2-3 DC Voltage Display
52
Figure 2-4 Measuring DC Voltage
53
Using VZ LOW for Voltage Measurements
54
Figure 2-5 VZ LOW Voltage Display
54
Figure 2-6 Measuring VZ LOW Voltage
55
Figure 2-7 VZ LOW Auto Identification Flow
56
Measuring Resistance
57
Figure 2-8 Resistance Display
57
Figure 2-9 Measuring Resistance
58
Testing for Continuity
59
Table 2-1 Threshold Resistance Values
59
Figure 2-10 Continuity Test Flow
60
Figure 2-11 Testing for Continuity
62
Testing Diodes
63
Figure 2-12 Diode Display
63
Figure 2-13 Open Diode Display
64
Figure 2-14 Testing Forward Bias Diode
65
Figure 2-15 Testing Reverse Bias Diode
66
Measuring Capacitance
67
Figure 2-16 Capacitance Display
67
Figure 2-17 Measuring Capacitance
68
Measuring Temperature
69
Figure 2-18 Temperature Display
70
Figure 2-19 Measuring the Surface Temperature
71
Figure 2-20 Using the Auxillary Temperature Measurement
72
Figure 2-21 Temperature Measurement Without Ambient
74
Measuring AC or DC Current
75
Measuring Frequency
75
Figure 2-22 DC Current Display
76
Figure 2-23 AC Current Display
76
Figure 2-24 Measuring DC/AC Current (up to A)
77
Figure 2-25 Measuring AC/DC Current (up to Μa)
78
Measuring Frequency
80
Table 2-2 Functions Allowing Frequency Measurement
80
Figure 2-26 Frequency Definition
81
Figure 2-27 Frequency Display
81
Figure 2-28 Measuring Frequency
82
3 Multimeter Features
83
Detecting AC Voltage Presence (Vsense)
84
Figure 3-1 Detecting Voltage Presence
85
Making Relative Measurements (Null)
86
Figure 3-2 Null Display
86
Figure 3-3 Null Operation
87
Capturing Maximum and Minimum Values (Maxmin)
88
Figure 3-4 Maxmin Display
89
Freezing the Display (Trig Hold-Log and Auto Hold-Log)
90
Trig Hold-Log Operation
90
Auto Hold-Log Operation
90
Figure 3-5 Trig Hold-Log Display
90
Figure 3-6 Auto Hold-Log Display
91
Recalling Previously Recorded Readings (Recall)
92
Figure 3-7 View Display
92
Figure 3-8 Empty View Display
93
Making Scale Transfers (Scale)
94
Table 3-1 Available Scale Conversions
94
4 Multimeter Setup Options
97
Using the Setup Menu
98
Table 4-1 Setup Menu Key Functions
98
Editing Numerical Values
99
Setup Menu Summary
100
Table 4-2 Setup Menu Item Descriptions
100
Setup Menu Items
102
Changing the Variation Count
102
Figure 4-1 Changing the Variation Count
102
Enabling and Changing the Smooth Refresh Rate
103
Figure 4-2 Enabling and Changing the Smooth Refresh Rate
103
Enabling and Changing the Voltage Alert Level
104
Figure 4-3 Enabling and Changing the Voltage Alert Level
104
Changing the Beep Frequency
105
Figure 4-4 Changing the Beep Frequency
105
Changing the Auto Power-Off (APO) Timeout
106
Figure 4-5 Changing the Auto Power-Off Timeout
106
Changing the LCD Backlight Timeout
107
Figure 4-6 Changing the LCD Backlight Timeout
107
Adjusting the LCD Backlight Intensity
108
Figure 4-7 Changing the LCD Backlight Intensity
108
Enabling the LED Flashlight Timeout
109
Figure 4-8 Changing the LED Flashlight Timeout
109
Adjusting the LED Flashlight Intensity
110
Figure 4-9 Changing the LED Flashlight Intensity
110
Changing the Minimum Measurable Frequency
111
Changing the Continuity Test Alerts
111
Figure 4-10 Changing the Minimum Measurable Frequency
111
Figure 4-11 Changing the Continuity Test Alerts
112
Changing the Power-On Greeting Tone
113
Figure 4-12 Changing the Power-On Greeting Tone
113
Resetting the Setup Items
114
Changing the Scale Conversion Value
114
Figure 4-13 Resetting the Setup Items
114
Figure 4-14 Changing the Scale Conversion Value
115
Enable the AC/DC MV Measurement
116
Figure 4-15 Enable the AC/DC MV Measurement
116
Enable Open Continuity Test by Default
117
Changing the Temperature Unit
117
Figure 4-16 Enable Open Continuity Test by Default
117
Figure 4-17 Changing the Temperature Unit
118
5 Characteristics and Specifications
119
Product Characteristics
120
Specification Assumptions
121
Measurement Category
122
Measurement Category Definition
122
Electrical Specifications
123
DC Specifications
123
Table 5-1 DC Specifications
123
AC Specifications
126
Table 5-2 AC Specifications
126
Capacitance Specifications
127
Table 5-3 Capacitance Specifications
127
Temperature Specifications
128
Table 5-4 Temperature Specifications
128
Frequency Specifications
129
Frequency Sensitivity Specifications
129
Table 5-5 Frequency Specifications
129
Table 5-6 Frequency Sensitivity and Trigger Level Specifications for Voltage Measurements
129
Scale Transfer (MV)
130
Table 5-7 Frequency Sensitivity and Trigger Level Specifications for Current Measurements
130
Table 5-8 Scale Transfer (MV) Specifications
130
Display Update Rate (Approximate)
131
Table 5-9 Display Update Rate (Approximate)
131
Other manuals for Agilent Technologies U1231A
Service Guide
55 pages
Quick Start Guide
16 pages
4
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Agilent Technologies U1231A Specifications
General
Brand
Agilent Technologies
Model
U1231A
Category
Multimeter
Language
English
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