Keysight U1461A Manuale utente

Keysight U1461A

Insulation Multimeter/

U1453A Insulation

Tester

Quick Start

Guide

Contacting Keysight

www.keysight.com/find/assist

(worldwide contact information for

repair and service)

Safety and EMC Information

his meter is safety-certified in

compliance with IEC/EN 61010-1,

IEC/EN 61010-2-030, IEC/EN

61010-2-033, CAN/CSA-C22.2 No.

61010-1, CAN/CSA-C22.2 No.

61010-2-030, CAN/CSA-C22.2 No.

61010-2-033, UL Std. No.

61010-1, UL Std. No. 61010-2-030

and UL Std. No. 61010-2-033.

EMC designed in compliance with

IEC 61326-1/EN 61326-1,

CISPR11/EN55011 Group 1 Class

A, ICES/NMB-001, and AS/NZS

CISPR 11. Use with standard or

compatible test probes.

Safety Notices

CAUTION

A CAUTION 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 damage to the product or

loss of important data. Do 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 Symbols

Earth (ground) terminal

Equipment protected

throughout by double

insulation or reinforced

insulation

Caution, risk of electric

shock

Caution, risk of danger

(refer to the instrument

manual for specific

Warning or Caution

information)

Category III 1000 V

overvoltage protection

Category IV 600 V

overvoltage protection

Do not use in distribution

systems with voltages

higher than 600 V

CAT III

1000 V

CAT IV

600 V

2 U1461A/U1453A Quick Start Guide

For further safety information details, refer to the Keysight U1461A Insulation

Multimeter/U1453A Insulation Tester User’s Guide.

ENGLISH

U1461A/U1453A Quick Start Guide 3

ENGLISH

Standard Accessories Included In Your

Purchase

The following accessories are shipped standard

with the U1461A and U1453A testers:

✔Hard carrying case

✔Alligator clips (red and black)

✔Test leads (red and black)

✔19 mm probes (red and black)

✔4 mm probes (red and black)

✔Remote switch probe and adapter

✔Four 1.5 V AA lithium batteries

✔IR to USB cable

✔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 U1461A appears in all illustrations. The word

tester is used to represent both models.

All related documents and software are available for

download at www.keysight.com/find/hhTechLib.

4 U1461A/U1453A Quick Start Guide

ENGLISH

Install or Change the Batteries

The tester is powered 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

U1461A/U1453A Quick Start Guide 5

ENGLISH

The Tester at 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)

6 U1461A/U1453A Quick Start Guide

ENGLISH

Using the Rotary Switch

NOTE

Press [T DAR PI]to select the alternate

measurement function(s) or test methods for

insulation resistance tests.

Legend Measurement function U1461A U1453A

50 V insulation resistance, T, DAR, PI ✔✔

100 V insulation resistance, T, DAR, 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 the U1461A/U1453A User’s Guide for a

complete list and description of all rotary switch labels.

U1461A/U1453A Quick Start Guide 7

ENGLISH

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

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: 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]

8 U1461A/U1453A Quick Start Guide

ENGLISH

Using the Input Terminals

Range: Sets a manual range Auto: Enables

autoranging

Leak: Displays the leakage

current[d]

Null: Enables Null

Vsense (U1461A):

Enables the non-contact

voltage detector

:Increases or decreases the

OLED brightness — this option

must first be enabled in the

Setup

Setup: Enters the Setup

[a] When the rotary switch is in one of the Ω Mega position.

[b] When the rotary switch is in the ΩEB position.

[c] When the rotary switch is NOT in one of the Ω Mega or the ΩEB position.

[d] When the rotary switch is in one of the Ω Mega or the ΩEB 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 Overload protection

1000 Vrms

1000 Vrms for

short circuit <0.3 A

440 mA/1000 V, 30 kA

fast-acting fuse

Legend Key response when pressed for:

Less than 1 second More than 1 second

U1461A/U1453A Quick Start Guide 9

ENGLISH

Insulation Resistance (IR) Test

Ensure that the device-under-test (DUT) is

de-energized before performing any resistance

measurement.

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.

Select a

test voltage

Remote

Switch

Probe

10 U1461A/U1453A Quick Start Guide

ENGLISH

Using the Remote Switch Probe

Locking the Test for IR/EBR Tests

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).

Press [Test] or

[Lock] again to

unlock and stop

the test.

Press once

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