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5 Characteristics and Specifications

Electrical Specifications

152 U1273A/U1273AX User’s Guide

Display update rate (approximate)

Table 5-19 Display update rate (approximate)

Function Times/second

AC V (V or mV) 7

DC V (V or mV) 7

Ω 14

Ω with offset compensation 3

Diode 14

Auto-diode 3

Capacitance 4 (<100 μF)

DC A (μA, mA, or A) 7

AC A (μA, mA, or A) 7

Te m p e r a t u r e 7

Frequency 2 (>10 Hz)

Duty cycle 1 (>10 Hz)

Pulse width 1 (>10 Hz)

1 2 ... 167 168 169 170 171 172 173 174 175 176 177 ... 182 183

Agilent 1
U1273A/U1273AX 1
Handheld Digital 1
Multimeter 1
Safety Symbols 3
Safety Considerations 4
U1273A/U1273AX User’s Guide V 5
Environmental Conditions 6
Regulatory Markings 7
X U1273A/U1273AX User’s Guide 10
Table of Contents 11
3 Multimeter Features 12
4 Multimeter Setup Options 13
List of Figures 15
List of Tables 17
Introduction 21
About This Manual 22
Preparing Your Multimeter 23
Turn on your multimeter 26
Automatic power-off 26
OLED Auto Dim function 27
Increase the OLED brightness 27
Select the range 28
Hazardous voltage indication 29
Input warning 29
Adjust the tilt stand 31
Connect the IR-USB cable 31
Power-on options 33
Your Multimeter in Brief 34
Rear and side view 35
Overview 36
Rear panel 37
Rotary switch 38
Introduction 1 39
Display screen 44
1 Introduction 46
Measurement units 48
Analog bar graph 49
Input terminals 50
1000 VRMS 51
11 A/1000 V, fast-acting fuse 51
Cleaning Your Multimeter 52
Making Measurements 53
Crest Factor 54
Measuring AC Voltage 55
, refer to the “Using 56
AC V AC V with LPF 57
AC mV AC mV with LPF 57
Measuring DC Voltage 59
Measuring AC and DC Signals 63
Making dB Measurements 66
Displaying dBV values 67
for Voltage Measurements 69
to test a battery’s health 70
Measuring Resistance 71
Measuring conductance 73
Testing for Continuity 74
(closed) 76
Making Measurements 2 79
Tes ting Diodes 80
2 Making Measurements 82
Testing Diodes 82
Measuring Capacitance 86
Measuring Temperature 88
Measuring AC or DC Current 92
% Scale of 4-20 mA or 0-20 mA 98
30 mA or 300 mA 99
Pressure transmitter 100
Measuring Frequency 101
Measuring pulse width 104
Measuring duty cycle 105
Multimeter Features 107
Capturing Peak Values (Peak) 114
Manual (HAND)100 117
Interval (AUTO) 10000 117
Performing manual logs (HAND) 118
Start the interval log mode 119
Performing event logs (TRIG) 120
Start the event log mode 121
Sanitizing the Log Memories 123
3Multimeter Features 124
Multimeter Setup Options 125
Using the Setup Menu 126
Editing numerical values 127
Setup Menu Summary 128
Multimeter Setup Options 4 129
Setup Menu Items 133
Changing the decibel display 135
T-TYPE Type-J or Type-K K 136
Changing the temperature unit 137
Changing the % scale range 138
Changing the continuity alert 138
MIN-Hz 0.5 Hz or 10 Hz 0.5 Hz 139
Changing the beep frequency 140
Changing the OLED behavior 141
Changing the power-on melody 142
Changing the baud rate 143
Changing the data bits 144
Changing the parity check 144
Enabling the echo feature 145
Enabling the print feature 145
(no unit/V) 147
1000.0 V(/V) 147
Enabling smooth mode 148
Changing the battery type 149
Enabling the filter 150
Agilent Technologies 153
Product Characteristics 154
Specification Assumptions 156
Measurement Category 156
Electrical Specifications 158
AC specifications 161
AC+DC specifications 163
Capacitance specifications 165
Temperature specifications 166
Frequency specifications 167
Calculation example 168
For voltage measurements 169
Peak hold specifications 170
Decibel (dB) specifications 171
Appendix A 173
Appendix B 177
Dual Key 177

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