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User Manual
Verify that you received the following items in the shipment of
your multimeter:
✔
One pair of red and black test leads
✔
One pair of 4 mm test probes
✔
One K-type thermocouple lead kit
✔
Four 1.5 V AAA alkaline batteries
✔
Printed copies of the Certificate of Calibration (CoC) and
the U1273A Quick Start Guide (this manual)
If any item is missing or damaged, keep the shipping materials
and contact the nearest Agilent Sales Office.
The descriptions and instructions in this guide apply to the
NO TE
U1273A handheld digital multimeter.
All related documents and software are available for download
at www.agilent.com/find/hhTechLib.
Agilent U1273A Handheld
Digital Multimeter
Quick Start Guide
Agilent Technologies
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Table of Contents
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Summary of Contents for Agilent Technologies U1273A
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Page 1: Digital Multimeter
Four 1.5 V AAA alkaline batteries ✔ Printed copies of the Certificate of Calibration (CoC) and the U1273A Quick Start Guide (this manual) If any item is missing or damaged, keep the shipping materials and contact the nearest Agilent Sales Office. -
Page 2: Install The Batteries
Your multimeter is capable of remote data logging. To use this NO TE feature, you will need an IR-USB cable (U1173A, purchased separately) and the Agilent GUI Data Logger Software (down- loadable from www.agilent.com/find/hhTechLib). Auto Dim By default, the multimeter’s Auto Dim function is enabled. The multimeter’s backlight will dim automatically after 90 seconds... -
Page 3: The Multimeter At A Glance
U1273A Handheld Digital Multimeter The Multimeter at a Glance The Multimeter at a Glance Display screen Keypad Rotary switch Input terminals Test lead/probe holders IR communication port Battery cover (Lift tilt stand for access) Tilt stand U1273A Quick Start Guide... -
Page 4: Understanding The Rotary Switch
U1273A Handheld Digital Multimeter Understanding the Rotary Switch Understanding the Rotary Switch Press to switch between the primary and shifted func- NO TE tions shown on the rotary switch. Legend Description (low input impedance) AC/DC V for eliminating ghost voltages... -
Page 5: Understanding The Keypad
U1273A Handheld Digital Multimeter Understanding the Keypad Understanding the Keypad Key response when pressed for: Legend Less than 1 second More than 1 second Sets the Scale mode for Sets the Null/Relative the specified ratio and mode. unit display. Starts the MaxMin Starts and stops the recording. -
Page 6: Understanding The Input Terminals
U1273A Handheld Digital Multimeter Understanding the Input Terminals Understanding the Input Terminals Ensure that the terminal connections are correct for that WA RN ING particular measurement function before starting any measurement. To avoid damage to the device, do not exceed the input limit. -
Page 7: Voltage Measurements
U1273A Handheld Digital Multimeter Performing Measurements and Tests Performing Measurements and Tests Voltage measurements The figure below highlights the primary functions allowing voltage measurements in your multimeter. Set up your multimeter as shown in the figure below to per- form voltage measurements. - Page 8 U1273A Handheld Digital Multimeter Performing Measurements and Tests LPF measurements: Press while performing ac voltage measurements to pass the measured signal through a low pass filter. • Passing the measured signal through a LPF help blocks unwanted voltages such as electronic noise.
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Page 9: Resistance Measurements
U1273A Handheld Digital Multimeter Performing Measurements and Tests Resistance measurements Set up your multimeter as shown in the figure below to per- form resistance measurements. Smart Smart measurements: While performing resistance mea- surements, press until BiAS is shown on the secondary display to enable the Smart ... -
Page 10: Continuity Tests
U1273A Handheld Digital Multimeter Performing Measurements and Tests Continuity tests Set up your multimeter as shown in the figure below to per- form continuity tests. Press to switch to the continuity test function ( is shown on the display). The beeper will sound as a continuity indication. Press... -
Page 11: Diode Tests
U1273A Handheld Digital Multimeter Performing Measurements and Tests Diode tests Set up your multimeter as shown in the figure below to per- form diode tests. Auto Auto-diode tests: Press to use the auto diode function. • The Auto-diode function tests both the forward bias and reverse bias directions of your diode simultaneously. -
Page 12: Capacitance Measurements
U1273A Handheld Digital Multimeter Performing Measurements and Tests Capacitance measurements Set up your multimeter as shown in the figure below to per- form capacitance measurements. is shown on the bottom left of the display when the capaci- NO TE tor is charging, and is shown when the capacitor is dis- charging. -
Page 13: Temperature Measurements
U1273A Handheld Digital Multimeter Performing Measurements and Tests Temperature measurements Set up your multimeter as shown in the figure below to per- form temperature measurements. Press to switch to the temperature measurement function. Do not connect the thermocouple to electrically live WA RN ING circuits. -
Page 14: Current Measurements
U1273A Handheld Digital Multimeter Performing Measurements and Tests Current measurements Set up your multimeter as shown in the figure below to per- form current measurements. Press to switch between ac, dc, ac+dc, or % scale current measurements. Always use the proper function, range, and terminals for WA RN ING current measurements. -
Page 15: Check The Fuse
U1273A Handheld Digital Multimeter Check the Fuse Check the Fuse Follow the instructions below for a quick check on the fuses (Fuse 1 and Fuse 2) of your multimeter. Displayed readings Part Fuse Fuse rating number Fuse healthy Replace fuse 102 ... - Page 16 U1273A Handheld Digital Multimeter Check the Fuse • To check Fuse 1: Ensure that the probe tip is touching the NO TE top half metal contact inside the µA mA terminal. • To check Fuse 2: Ensure that the probe tip is touching the left half metal contact inside the A terminal.
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Page 17: Safety Symbols
• China Call Center: 800-810-0189 • Europe Call Center: 31-20-547-2111 • Japan Call Center: (81) 426-56-7832 For other countries, contact your country’s Agilent support organization. A list of contact information for other countries is available on the Agilent Web site: www.agilent.com/find/assist Safety Notices... - Page 18 Printed in Malaysia First Edition, September, 2011 © Agilent Technologies, Inc., 2011 U1273-90001 Agilent Technologies...