Keysight U1241C Quick Start Manual
Handheld digital multimeter
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Also See for U1241C:
- Service manual (63 pages) ,
- User manual (143 pages) ,
- Quick start manual (30 pages)
Table of Contents
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Table of Contents
Related Manuals for Keysight U1241C
Summary of Contents for Keysight U1241C
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Page 1: Digital Multimeter
Keysight U1241C/ U1242C Handheld Digital Multimeter Quick Start Guide... -
Page 2: Safety Information
Category III 1000 V CAT III 1000 V overvoltage protection Category IV 600 V CAT IV 600 V overvoltage protection For further safety information details, refer to the Keysight U1241C/U1242C Handheld Digital Multimeter User’s Guide. Keysight U1241C/U1242C Quick Start Guide... -
Page 3: Standard Accessories
– Test leads (red and black) – IR-to-USB cable – Four 1.5 V AAA batteries – Printed copy of the U1241C/U1242C Quick Start Guide (this document) – Printed copy of the Certificate of Calibration If any item is missing or damaged, keep the shipping materials and contact the nearest Keysight Sales Office. -
Page 4: Install Or Change The Batteries
Install or Change the Batteries The multimeter is powered by four 1.5 V AAA batteries (included in the shipment). Turn On the Multimeter Turn the rotary switch from the position to any other position to start making measurements. Keysight U1241C/U1242C Quick Start Guide... -
Page 5: The Multimeter At A Glance
The Multimeter at a Glance Vsense red LED indicator Display screen Keypad Rotary switch Input terminals Flashlight IR communication port Test lead/probe holders Battery access (under the tilt stand) Tilt stand Fuse access (under the tilt stand) Keysight U1241C/U1242C Quick Start Guide... -
Page 6: Using The Rotary Switch
[a] For U1242C only. Remove the test leads from the measuring source or WARNING target before changing the rotary switch position. Refer to the U1241C/U1242C User’s Guide for a complete list and description of all rotary switch labels. Keysight U1241C/U1242C Quick Start Guide... -
Page 7: Using The Keypad
Starts and stops data logging. Hold Hold this mode. — Stores a record of the measured signal and exports it via the multimeter’s optical communication port. — Restarts the Max/Min/Avg recording. Turns the backlight on/off. Turns the flashlight on/off. Keysight U1241C/U1242C Quick Start Guide... - Page 8 — Exits the TrigHold or AutoHold orange) functions. View mode. Shift — Enables the Scan mode for — Enters the Setup mode (while temperature measurements turning the rotary switch from (U1242C only). OFF to on), and exits the Setup mode. Keysight U1241C/U1242C Quick Start Guide...
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Page 9: Using The Input Terminals
To avoid damaging this device, do not exceed the input WARNING limit. Rotary Input terminals Overload protection position 1000 Vrms 1000 Vrms for short circuit <0.3 A 440 mA/1000 V, fast-acting fuse 11 A/1000 V, fast-acting fuse Keysight U1241C/U1242C Quick Start Guide... -
Page 10: Hazardous Signal Warnings
–440 mA or –OL If your measuring current is > 10 A ~ 19.999 A, you CAUTION will need to lower the current within a 30 seconds time limitation to avoid blowing the multimeter’s fuse. Keysight U1241C/U1242C Quick Start Guide... - Page 11 – the rotary switch is set to the current measurement position but no lead is inserted into its respective input terminal. The secondary display will show , and the warning alert will stop after 3 seconds approximately. Keysight U1241C/U1242C Quick Start Guide...
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Page 12: Voltage Measurements
Voltage Measurements Measuring AC voltage Vsense U1242C True RMS Multimeter Vsense Auto MaxMin Range View Hold Shift CAT IV 600V 10A MAX FUSED CAT III 1000V 440mA FUSED Keysight U1241C/U1242C Quick Start Guide... - Page 13 AC V (true rms) AC V (averaging sense) Harmonic ratio with Harmonic ratio with AC V (true rms) AC V (averaging sense) [1] Averaging sense AC measurements apply to sine wave inputs when measuring linear loads. Keysight U1241C/U1242C Quick Start Guide...
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Page 14: Measuring Dc Voltage
Measuring DC voltage Vsense U1242C True RMS Multimeter MaxMin Vsense Auto Range View Hold Shift CAT IV 600V 10A MAX FUSED CAT III 1000V 440mA FUSED Keysight U1241C/U1242C Quick Start Guide... - Page 15 Do not use the Z function to measure voltages CAUTION in circuits that could be damaged by this function’s low impedance (≈2 kΩ). DC voltage reading AC voltage reading Keysight U1241C/U1242C Quick Start Guide...
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Page 16: Current Measurements
Current Measurements Never attempt an in-circuit current measurement WARNING where the open-circuit potential to earth is >1000 V. Measuring DC current Keysight U1241C/U1242C Quick Start Guide... - Page 17 Measuring AC current Cycling through different current measurements mA % View Shift (For Averaging sense True RMS [1] For U1242C only. Keysight U1241C/U1242C Quick Start Guide...
- Page 18 Using a low pass frequency filter ( ) for frequency measurements The filter blocks unwanted frequency (~ 1 kHz) while the multimeter continues measuring voltage/current via the selected averaging sense or true rms function. MaxMin Keysight U1241C/U1242C Quick Start Guide...
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Page 19: Resistance Measurement
Resistance Measurement Vsense U1242C True RMS Multimeter Vsense Auto MaxMin Range View Hold Shift CAT IV 600V 10A MAX FUSED CAT III 1000V 440mA FUSED Removing test lead resistance Vsense Keysight U1241C/U1242C Quick Start Guide... -
Page 20: Continuity Test
If resistance < threshold, beeper sounds and red LED indicator lights up Vsense U1242C True RMS Multimeter (open) Vsense Auto MaxMin Range (closed) View View Shift Hold Shift CAT IV 600V 10A MAX FUSED CAT III 1000V 440mA FUSED Keysight U1241C/U1242C Quick Start Guide... -
Page 21: Diode Test
(for 0.3 V to 0.8 V) – continuous beep (for <0.05 V) Vsense U1242C True RMS Multimeter MaxMin Vsense Auto Range View Hold Shift CAT IV 600V 10A MAX FUSED CAT III 1000V 440mA FUSED Keysight U1241C/U1242C Quick Start Guide... - Page 22 Reverse bias Vsense U1242C True RMS Multimeter Vsense Auto MaxMin Range View Hold Shift CAT IV 600V 10A MAX FUSED CAT III 1000V 440mA FUSED Keysight U1241C/U1242C Quick Start Guide...
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Page 23: Capacitance Measurement
Vsense U1242C True RMS Multimeter – MaxMin Vsense Auto Range View View Shift Hold Shift CAT IV 600V 10A MAX FUSED CAT III 1000V 440mA FUSED Keysight U1241C/U1242C Quick Start Guide... -
Page 24: Temperature Measurement
U1242C True RMS Multimeter Auto MaxMin Vsense Range View Hold Shift CAT IV 600V 10A MAX FUSED CAT III 1000V 440mA FUSED Type-K thermocouple probe Cycling through different temperature measurements (U1242C only): View Shift Scan Keysight U1241C/U1242C Quick Start Guide... -
Page 25: Non-Contact Voltage Detector (Vsense) (U1242C Only)
True RMS Multimeter beeper sounds Changing the Vsense Vsense detector’s sensitivity: MaxMin Vsense Auto Range Auto View > 1 sec Hold Shift Press Range CAT IV 600V 10A MAX FUSED CAT III 1000V 440mA FUSED Keysight U1241C/U1242C Quick Start Guide... -
Page 26: Measurement Data Recording And Review
Measurement Data Recording and Review Recording measurement data (manual log) > 1 sec Hold Refer to the U1241C/U1242C User’s Guide for other NOTE data recording options. Viewing the recorded data View > 1 sec Shift Keysight U1241C/U1242C Quick Start Guide... - Page 27 Cycling through previously stored records View Shift Manual logging data Export logging data Interval logging data Event logging data Keysight U1241C/U1242C Quick Start Guide...
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Page 28: Viewing Stored Entries
Viewing stored entries Viewing next and previous Viewing first and last stored stored entries entries Vsense MaxMin Auto Range Clearing stored entries Clear the last Hold stored entry > 1 sec Clear all stored entries Keysight U1241C/U1242C Quick Start Guide... - Page 29 This information is subject to change without notice. Always refer to the Keysight website for the latest revision. © Keysight Technologies 2015 - 2016 Edition 3, December 23, 2016 Printed in Malaysia *U1241-90102* U1241-90102 www.keysight.com...