Megger TPT320 Manuel utilisateur

TPT320

Two pole

voltage tester

User guide

Mode d’emploi

Bedienungsanleitung

Guía de usuario

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Guida per l’utente

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023TPT

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GSafety Warnings

Before commencing any testing, short the prods

together to check the batteries.

The TPT320 is designed to offer a high

degree of safety. It conforms to standards

DIN VDE 0682-401 and IEC/EN 61243-3.

To ensure that the unit is operated safely,

please read the following instructions

before using the device.

■Do not use the instrument in a humid

environment.

■Before testing a live circuit the voltage tester

should be checked by connecting to a

known voltage source (e.g. a suitable 120

/ 230 V outlet or a suitable proving unit)

before and after use.

■Tests for voltage should be made with both

poles.

■Extreme care must be conducted when

testing voltages above 50 V AC / 120 V DC.

■Ensure the tester is only used within the

stated measurement ranges and in low

voltage installations up to 690 V and in the

measuring category it has been designed for.

■When testing ensure hands are behind the

barriers on the main body and remote probe.

Avoid touching the tips.

■The instrument must be in good order, clean,

dry and with no broken case or damaged

lead or probes.

■Do not use the unit with battery cap

removed and ensure when changing the

batteries no probe is connected to any

circuits.

■Do not use the instrument if one or more

functions are not working correctly.

■The voltage warning triangle FLED

will illuminate to indicate voltage is present at

the tips in the event of exhausted batteries

while testing. This must not be used for

measuring purposes.

■The audible indication should be considered

for audibility in noisy environments.

■Remove the batteries if the tester is not to be

used for a long period of time.

■The voltage tester must not be used with

exhausted or leaked batteries. Danger of

electric shock!

General point: Voltage tests have priority on the

TPT320. If no voltage is detected at the probe tip

(<10 V), the device is in continuous test mode.

Introduction

The Megger TPT320 voltage tester provides

electricians and electrical engineers with voltage

indication but has additional functions / features

that makes the instrument more versatile.

The TPT320 features both LCD and LED displays

that provide AC and DC voltage measurement

from 12 to 690 volts, in addition, a continuity

function ranging from 0 to 500 kW. Continuity

and voltage measurements are accompanied by

an acoustic sounder.

A bright LED torch feature allows safe working in

poorly lit environments.

When conducting a test between phase and

earth on a circuit protected by an RCD, RCBO

and Safety Breaker the TPT320 will not trip

these devices.

The phase rotation indication feature is simpliﬁed

which avoids the crossing of the test probes

adopted by some 2 pole testers.

With safety in mind, the TPT320 is CAT IV 600

V rated with an IP64 rated strong body that

provides an easy and comfortable grip. GS38

shrouds are provided as standard.

The unit has a feature that will warn the operator

of dangerous test voltages even when the

batteries have become exhausted.

Please note: To comply with GS38 (minimum

exposed tip) the metal caps on each prod must

be unscrewed and replaced with the supplied

plastic tip shrouds.

TPT320 Display

Voltage

LEDs

12 V &

polarity

LEDs

Low

battery

indicator

Digital

display

Sounder /

buzzer

Phase

rotation

LEDs

Voltage

warning

LED

Continuity

LED

TPT320 Feature

Operating instructions

Auto-power-on / switching on

The tester switches on when it detects continuity,

an AC or DC voltage above approx. 10 V or a

live phase on L2 (single pole test). It can also be

switched on with the torch light button.

Auto-power off

Tester is automatically powered off after 5 sec

when there is no signal detected by the probes.

The torch light switches off after approx. 10 sec.

GS38

UK tip

Hand

barrier

Remote

probe

1.2 metre probe lead

Battery

cap

Torch

button

Hand

barrier

Display

LED torch

Euro tip

Self test

Before commencing any measurements with

the TPT320 a self test should be made. Short

the probes tips together; the continuity LED will

illuminate and a continuous audible tone will be

heard. This procedure checks the batteries have

sufﬁcient power to operate the voltage tester

correctly.

CAUTION: This test does not indicate the tester

is capable of indicating correct supply voltage;

a known live supply or a dedicated proving unit

should be utilised to check the voltage measuring

capability of the unit before and after testing.

If only the voltage warning LED illuminates

(>50 VAC / >120 VDC) and the LCD display is

blank then check the batteries.

(This feature must not be used as a means

of continuing voltage indications.)

If the low battery indicator appears in the LCD

window then change the batteries.

Continuity test

Ensure the circuit under test is not energised.

Connect both test probes to the circuit. The

continuity LED illuminates and buzzer sounds

continuously to indicate continuity < 500 kW.

Note: No continuity measurement is available on

the LCD display.

Diode test

Connect the L1 - probe to the anode of the

diode and the L2 + probe to the cathode. The

continuity LED will illuminate and the buzzer

will sound. Reversing the connections, the

continuity LED will not illuminate and no sound

will be present.

AC/DC Voltage test

Connect both probes to the circuit under

test. The voltage is indicated by LEDs and

the LCD display.

The buzzer sounds when a threshold voltage of

approximately 38 VAC or approximately 100 VDC

is exceeded.

Voltage polarity is indicated in following

manner.

AC: Both + and – 12 V LEDs are on.

+DC: +12 V LED is on.

-DC: -12 V LED is on.

When the L2 probe + is the positive (negative)

potential, the Polarity indication LED indicates

“+DC” (“-DC”).

During a voltage test, L or R LEDs may illuminate.

For voltages over 690 V the LCD will display ‘OL’.

Single-pole phase test

Hold the tester securely in your hand. Connect

the “L2 +” probe to the object under test.

Voltage warning LED lights up and buzzer sounds

when a voltage of approximately 100 V AC or

more exists in the object under test.

(Pol≥100 VAC).

Function of this test may not be fully achieved if the

insulation condition / grounding conditions of user or

of the equipment under test are not good enough.

Note: Veriﬁcation of live-circuits should not be

dependent on a Single-pole phase test only.

Phase rotation test

L LED and R LED’s for the Phase rotation test

may operate on various wiring systems, but an

effective test result can only be obtained on

three-phase 4-wire systems.

Hold the tester and remote probe ﬁrmly in each

hand, ensuring hands are behind the hand

barriers, and connect both probes to the object

under test. Phase-to-phase voltage is indicated by

voltage LEDs and LCD display.

R LED lights up for Right rotary ﬁeld. (L1, L2, L3)

L LED lights up for Left rotary ﬁeld. (L1, L3, L2)

Measurement principle: The instrument detects

the phase rising order referencing the user as

earth. The function of this test may not be fully

achieved if the insulation condition/ grounding

conditions of user or of the equipment under

test are not good enough.

Torch light

Pressing the torch light button will turn on

the light and after approximately 10s it will

turn itself off.

Battery Replacement

Remove the probes from any testing point, when

opening the battery cap. Batteries are exhausted

when the continuity test with both test probes

connected cannot be achieved anymore. A

battery symbol + 1.5 V AAA - in the LCD display

indicates low battery.

Follow the procedure below and replace batteries

with new ones (type AAA / IEC LR03 1.5 V).

Unscrew the battery cap, e.g. with a screwdriver.

Pull out the battery cap and replace the batteries.

Insert new batteries according to the engraving

on the battery cap and re-assemble battery cap.

Conﬁrm that the battery cap is properly locked

prior to measurements.

- Conformity symbol, the instrument

complies with the valid directives. It complies with

the EMV Directive (89/336/EEC), Standard EN

61326-1 are fulﬁlled. It also complies with the

Low Voltage Directive (73/23/EEC), Standard

EN61243-3:2010 is fulﬁlled.

CAT IV - Measurement category IV: Equipment

connected between the origin of the low-voltage

mains supply outside the building and the

consumer unit.

CAT III - Measurement category III: Equipment

connected between the consumer unit and the

electrical outlets.

CAT II - Measurement category II: Equipment

connected between the electrical outlets and the

user’s equipment.

WEEE Directive

The crossed out wheeled bin symbol on the

instrument and on the batteries is a reminder not

to dispose of them with general waste at the end

of their life.

Megger is registered in the UK as a Producer

of Electrical and Electronic equipment. The

registration no is; WEE/DJ2235XR.

Users of Megger products in the UK may

dispose of them at the end of their useful

life by contacting B2B Compliance at www.

b2bcompliance.org.uk or by telephone on 01691

676124.

Users of Megger products in other parts of the

EU should contact their local Megger company or

distributor.

Battery Disposal

Batteries in this product are classiﬁed as Portable

Batteries under the Batteries Directive. Please

contact Megger Ltd for instructions on the safe

disposal of these batteries.

For disposal of batteries in other parts of the EU

contact your local distributor.

Megger is registered in the UK as a producer of

batteries.

The registration number is BPRN01235.

For Further information see www.megger.com

Speciﬁcations

Voltage range: 12…690 V AC (16…400

Hz), DC(±)

LED Nominal voltage: 12/ 24 / 50 / 120 / 230 /

400 / 690 V, AC (16…

400 Hz), DC(±)

LED tolerances: According to EN61243-3

Voltage warning

indication LED <50 VAC, <120 VDC

Response time: < 1s at 100% of each

nominal voltage

LCD Range: 0…690 V, AC (16…

400 Hz), DC(±)

LCD Resolution: 0.1 V

LCD Accuracy: ±3%±5dgt (0…690 V)

LCD Over range

indication: “OL”

Peak current: Is<3.5 mA (at 690 V)

Measurement Duty: 30 s ON (operation time),

240 s OFF (recovery time)

Internal battery

consumption: Approx. 80 mA

Single-pole phase

test voltage range: 100..690 V AC (50/60 Hz)

Phase rotation test: 120…400 V earth-to-

phase, AC 50/60 Hz

Continuity test: 0…500 kW+ 50%

Battery: 2 x 1.5 V AAA, IEC LR03

Temperature: -15…55 °C operation;

-20…70 °C storage, No

condensation

Humidity: Max 85 % RH

Altitude: Up to 2000 m

Over voltage: CAT III / 1000 V/

CAT IV 600 V

Safety Standard: EN61243-3:2010

Pollution degree 2

Protection: IP64

Dimensions: 67 mm (W) x 205 mm (L)

19 mm (D)

Weight: 180 g

Repair and warranty

The instrument contains static sensitive devices,

and care must be taken in handling the printed

circuit board. If an instrument’s protection has

been impaired it should not be used, but sent for

repair by suitably trained and qualiﬁed personnel.

The protection is likely to be impaired if for

example; it shows visible damage; fails to perform

the intended measurements; has been subjected

to prolonged storage under unfavourable

conditions, or has been subjected to severe

transport stresses.

Note: Any unauthorised prior repair or

adjustment will automatically invalidate the

warranty.

Instrument repair and spare parts

For service requirements for Megger instruments

contact:

Megger Limited

Dover, Kent CT17 9EN

England

Tel: +44 (0) 1304 502 243

Fax: +44 (0) 1304 207 342

Megger

Valley Forge Corporate Centre

2621 Van Buren Avenue

Norristown, PA 19403 USA

Tel: +1 610 676 8579

Fax: +1 610 676 8625

or an approved repair company.

Returning an Instrument for

Repair

If it is necessary to return an instrument for

repair, a Returns Authorisation number must

ﬁrst be obtained by contacting one of the

addresses shown. You will be asked to provide key

information, such as the instrument serial number

and fault reported when the number is issued.

This will enable the Service Department to prepare

in advance for the receipt of your instrument, and

to provide the best possible service to you.

The Returns Authorisation number should be

clearly marked on the outside of the product

packaging, and on any related correspondence.

The instrument should be sent, freight paid to the

appropriate address. If appropriate a copies of

the original purchase invoice and of the packing

note, should be sent simultaneously by airmail to

expedite clearance through customs.

For instruments requiring repair outside the

warranty period a repair estimate will be

submitted to the sender, if required, before work

on the instrument commences.

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