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U1461A/U1453A Quick Start Guide

ENGL

ISH

Using the Keypad

Legend

Key response when pressed for:

Less than 1 second

More than 1 second

IR Test:

Initiates an insulation test

[a]

as long as [

Test

] is

held (

is shown) — the tester sources (outputs) a high

voltage and measures insulation resistance

EBR Test:

Initiates an earth-bond resistance test

[b]

as long

as [

Test

] is held (

is shown)

Trig Hold:

Freezes the present

reading in the display

[c]

Auto Hold:

Automatically

freezes the present
reading once the reading
is stable

[c]

Lock:

Locks the insulation test

or earth-bond resistance
test

[d]

View:

Enters the Log

review menu

Hz:

Displays the frequency

(when the rotary switch is in
the

V, mV (U1461A)

, or

A mA (U1461A)

position)

Esc:

Discards the changes

made in the Setup menu
Selects the

alternate

measurement function(s)

Log:

Starts the data Log

Configures the tester for a

timed test

[d][e]

DAR:

Configures the tester for

a dielectric absorption ratio
test

[a][e]

PI:

Configures the tester for a

polarization index test

[a][e]

Limit:

Enables Limit

comparison

Max Min:

Enables Max

Min recording

[f]

Trip:

Configures the tester for

Leakage Current, Scan, or
Ramp Trip tests

[d][e]

Содержание U1453A

Страница 1: ...Keysight U1461A Insulation Multimeter U1453A Insulation Tester Quick Start Guide ...

Страница 2: ... not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met WARNING A WARNING notice denotes a hazard It calls attention to an operating procedure practice or the like that if not correctly performed or adhered to could result in personal injury or death Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met Safety Sy...

Страница 3: ...Certificate of Calibration Model U1461A also includes the following accessories Thermocouple adapter J K Type Thermocouple bead J Type Thermocouple bead K Type If any item is missing or damaged keep the shipping materials and contact the nearest Keysight Sales Office NOTE The descriptions and instructions in this guide apply to the U1461A Insulation Multimeter and U1453A Insulation Tester Model U1...

Страница 4: ...ed by four 1 5 V AA lithium batteries included in the shipment Before installing or changing the batteries pull from a corner and stretch the orange rubber holster to remove it Turn On the Tester Turn the rotary switch from the position to any other position to begin making measurements 1 2 3 4 ...

Страница 5: ...a Glance Vsense Red LED indicator Keypad Rotary switch Fuse access Tilt stand Display screen Input terminals Test lead probe holders IR communication port Vsense for model U1461A Under the orange rubber Battery access Under the orange rubber holster holster ...

Страница 6: ... PI 250 V insulation resistance T DAR PI 500 V insulation resistance T DAR PI 1000 V insulation resistance T DAR PI Earth bond resistance T Resistance Continuity Diode Capacitance AC V AC V with LPF AC V Auto V DC V AC V Auto mV DC mV AC mV Temperature Auto μA mA DC μA mA AC μA mA WARNING Remove the test leads from the measuring source or target before changing the rotary switch position Refer to ...

Страница 7: ...ent reading once the reading is stable c Lock Locks the insulation test or earth bond resistance test d View Enters the Log review menu Hz Displays the frequency when the rotary switch is in the V mV U1461A or μA mA U1461A position Esc Discards the changes made in the Setup menu Selects the alternate measurement function s Log Starts the data Log T Configures the tester for a timed test d e DAR Co...

Страница 8: ...s in one of the Ω Mega position b When the rotary switch is in the Ω EB position c When the rotary switch is NOT in one of the Ω Mega or the Ω EB position d When the rotary switch is in one of the Ω Mega or the Ω EB position e Press Test to start the test f Max Min is disabled when Trip is enabled WARNING To avoid damaging this device do not exceed the input limit Rotary position Input terminals O...

Страница 9: ...easurement The tester automatically detects if the circuit is energized If the external voltage is detected to be greater than 30 V the test is inhibited and the voltage hazard symbol is shown on the display CAUTION DO NOT perform insulation resistance test in distribution systems with voltages higher than 600 V 3 1 2 Select a test voltage Remote Switch Probe ...

Страница 10: ...t for IR EBR Tests 4 Test will continue until Test is released Hold NOTE When an insulation test is in progress the red LED indicator at the top of the tester will blink every 2 seconds if the Limit function is not enabled 2 1 Press Test or Lock again to unlock and stop the test Press once ...

Страница 11: ...onds IR 30 seconds default can be changed to IR 60 seconds IR 15 seconds in Setup Timed T for IR and EBR IR 1 minute default can be changed in Setup Viewing Leakage Current 2 1 NOTE Error is shown on the display if the IR is greater than the maximum range or less than 0 001 MΩ after t1 t15 t30 if the test is interrupted by the user or if the tester s battery is low ...

Страница 12: ... test MOVs Metal Oxide Varistors gas discharge tubes voltage arresters or sparking gaps The voltage source will be stopped when the current is greater than the trip current you set in the Setup 1 1 2 3 4 NOTE For more information on the Leakage Current Trip Test Scan Trip Test and Ramp Trip Test refer to the respective sections in the U1461A U1453A User s Guide ...

Страница 13: ...st CAUTION The tester automatically detects if the circuit is energized If the external voltage is detected to be greater than 2 V the test is inhibited and is shown on the display Disconnect the tester and remove power before proceeding 4 Hold OR 3 1 2 Remote Switch Probe ...

Страница 14: ...tomatically identify the signal component AC or DC of an electrical source to be indicated on the primary display and select a suitable measurement range according to the AC DC reading The symbol blinks during the identification DC AC The AC DC value is shown in the secondary display AC 3 DC 1 2 ...

Страница 15: ...a possible presence of hazardous voltage and voltages measured with the LPF enabled may be greater than indicated For your safety take note of the symbol Disable the LPF when you have finished your measurement When the LPF option is selected the measurement function will switch to the manual range mode defaults to 600 V for variable speed drive VSD applications It is recommended only to use 600 V ...

Страница 16: ...16 U1461A U1453A Quick Start Guide ENGLISH Enable the LPF in the Setup to filter out higher frequencies with AC DC path V mV μA or mA measurements 1 2 1 sec 1 sec ...

Страница 17: ...in circuit current measurement where the open circuit potential to earth is greater than 1000 V CAUTION Current can be measured up to 440 mA maximum continuously You can measure current more than 440 mA and up to 600 mA for 120 seconds maximum Cool down the tester for twice the measuring time taken before proceeding to another current measurement 3 2 AC LOAD DC LOAD 1 ...

Страница 18: ... Frequency Measuring Current Frequency Measuring Frequency Pulse Width Duty Cycle For model U1461A only This option must first be enabled in the Setup Press and hold to enter the Setup Browse to Menu 10 ms and change the option from CYCLE D to CYCLE E or CYCLE E ...

Страница 19: ...U1461A U1453A Quick Start Guide 19 ENGLISH Resistance Measurement Removing Test Lead Resistance 3 1 2 2 1 ...

Страница 20: ... ENGLISH Continuity Test CAUTION To avoid possible damage to your tester or to the equipment under test disconnect the circuit power and discharge all high voltage capacitors before performing continuity tests 3 ON closed OFF open 1 2 4 ...

Страница 21: ...iode Test 3 2 1 4 NOTE Press and hold Range to enable Auto diode The Auto diode feature will help you test both forward and reverse bias directions simultaneously You do not need to change the measuring direction to identify the diode s condition ...

Страница 22: ...easurement Before proceeding with capacitance measurements first use the DC V function to confirm that the capacitor is fully discharged 3 1 2 4 NOTE Press Lock to temporarily display the cable length of the circuit under test in the secondary display Hz Esc ...

Страница 23: ...perature Measurement WARNING Do not connect the thermocouple to electrically live circuits Doing so will potentially cause fire or electrical shock 3 1 2 2 4 NOTE Press and hold Range to remove the ambient compensation for temperature measurements ...

Страница 24: ...rely on the Vsense detector with shielded wires Never touch live voltage or conductors without the necessary insulation protection The Vsense detector may be affected by differences in socket design insulation thickness and insulation type 1 2 AC 3 3 1 sec AC Voltage Source NOTE Press Range to change the Vsense detector s sensitivity from HIGH SENSE to LOW SENSE ...

Страница 25: ...U1461A U1453A Quick Start Guide 25 ENGLISH THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 26: ...ormation is subject to change without notice Always refer to the Keysight website for the latest revision Keysight Technologies 2013 2021 Edition 5 January 2021 Printed in Malaysia U1461 90001 www keysight com ...

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