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Agilent
U1231A/U1232A/U1233A
Handheld Multimeter
Quick Start Guide
Verify that you received the following items in the shipment of your multimeter:
One pair of red and black test leads
Four 1.5 V AAA alkaline battery
Printed copy of the U1231A/U1232A/U1233A Quick Start Guide
If any item is missing or damaged, keep the shipping materials and contact the nearest Agilent Sales Office.
NOTE
The descriptions and instructions in this guide apply to the U1231A, U1232A, and U1233A handheld multimeters.
The model U1233A appears in all illustrations.
All related documents and software are available for download at www.agilent.com/find/hhTechLib.
Agilent Technologies
U1231A/U1232A/U1233A Handheld Multimeter
Install the Batteries
Install the Batteries
Your multimeter is powered by four 1.5 V AAA alkaline batteries (included with the shipment).
1Turn the multimeter OFF and remove the test leads from the terminals.
2Loosen the screw on the battery cover with a suitable Phillips screwdriver.
3Remove the battery cover and observe the polarity markings.
4Insert the batteries and replace the battery cover and screw.
Turn On the Multimeter
To power ON your multimeter, turn the rotary switch to any other position.
Controlling the Multimeter Remotely
Your multimeter is capable of To PC (host) remote data logging.
To use this feature, you will need a PC running a Windows operating system, an IR-USB cable (U1173A, purchased separately), and the Agilent GUI Data Logger Software.
The Agilent GUI Data Logger software is downloadable for free from www.agilent.com/find/hhTechLib.
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U1231A/U1232A/U1233A Quick Start Guide |
U1231A/U1232A/U1233A Handheld Multimeter
The Multimeter at a Glance
The Multimeter at a Glance
Vsense indicator
(U1233A only)
Display screen
Keypad
Rotary switch
Input terminals
LED flashlight
Test lead/probe holders
IR communication port
Battery cover
Tilt stand
U1231A/U1232A/U1233A Quick Start Guide |
3 |
U1231A/U1232A/U1233A Handheld Multimeter
Understanding the Rotary Switch
Understanding the Rotary Switch
NOTE
Some rotary switch
orange. Press Esc Shift
function.
positions have a shifted function printed in to switch between the shifted and regular
Legend |
Functions shown in the primary display |
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Low input impedance — VZLOW Auto (AC or DC)/ |
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VZLOW DC V/VZLOW AC V for eliminating ghost voltages |
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Hz |
AC V/Frequency |
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DC V |
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Resistance/Short continuity/Open continuity[1] |
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Diode |
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Capacitance/Temperature (U1233A only) |
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AUX |
Capacitance/Auxiliary Temperature (U1232A only) |
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Capacitance (U1231A only) |
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Hz |
DC or AC A/Frequency |
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Hz |
DC or AC μA/Frequency |
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Hz |
Clamp-on AC or DC A/Frequency (U1231A only) |
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AUX |
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AUX |
Auxiliary Temperature (U1231A only) |
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[1]Open continuity option must be enabled through the multimeter’s Setup ( 
> 
). Open continuity is disabled by default.
WA RN ING Remove the test leads from the measuring source or target before changing the rotary switch position.
Refer to the U1231A/U1232A/U1233A User’s Guide for a complete list and description of all rotary switch labels for each separate multimeter model.
4 |
U1231A/U1232A/U1233A Quick Start Guide |
U1231A/U1232A/U1233A Handheld Multimeter
Understanding the Keypad
Understanding the Keypad
Legend
Null
Recall
Key response when pressed for:
Less than 1 second |
More than 1 second |
Sets the null/relative mode
Enters the Hold-Log Recall menu
Max |
Starts the MaxMin recording |
Stops the MaxMin recording |
Min |
Range
Auto
Trig Hold
Auto Log
Esc Shift
Sets a manual range |
Enables autoranging |
Freezes and stores the present |
Automatically freezes the pres- |
reading in the |
ent reading |
display |
once the reading is stable |
Turns the LCD backlight on or |
Turns the LED flashlight on or |
off. |
off. |
Switches between the regular |
U1233A only: Enables the |
and shifted (icons printed in |
non-contact voltage detector |
orange) functions |
(Vsense). |
Understanding the Input Terminals
Rotary position for |
Input terminals |
Overload protection |
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U1232A and U1233A |
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Hz
AUX
Hz
600 Vrms
600 Vrms for
short circuit <0.3 A
Hz
11 A/1000 V, fast-acting fuse
U1231A/U1232A/U1233A Quick Start Guide |
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