Unit UT527 Manuel utilisateur

P/N:110401104471X

UT527 Operating Manual

Overview - UT527 Pat Tester

The UT527 is a handheld, battery powered PAT tester suitable for carrying out

electrical safety checks on:

●Class I Appliances

●Class II Appliances

●Testing IEC and Extension Leads

●Checking of Mains sockets.

●220V (士10%) Mains Outlet Wiring Test

Unpacking the Unit

Open the case and take out the PAT tester. Check the following items carefully to see

if any parts are missing or damaged. If you find any missing or damaged parts please

contact the supplier you bought the UT527 from.

＊UT527MainUnit 1x

＊Operating Manual 1 x

＊Earth Bond Lead 1 x

＊Alligator Earth Bond Clip 1 x

＊EarthNullingBlock 1x

＊Neck strap 1x

＊IEC Lead 1 x

＊Batteries C Type R14 1.5V UM2 6 x

Safety Information

Warnings

Please be aware of the following warnings:

●Before using the unit and test leads inspect both items. Do not use the unit

or test leads if either is damaged (including if the case is broken or damaged) as

this could result in electrical shock.

●Replace the battery as soon as the battery indicator “ ”appears. A low

battery, in the meter may produce inaccurate readings.

●Do not use or store the unit in an environment of high temperature, humidity,

flammable or an electromagnetic environment as damage and incorrect

readings may result.

●Do not use rechargeable batteries in the unit.

●If the tester requires repair or replacement please contact your local service

center.

Declaration of Conformity.

Uni-T manufacture this product and declare that this product conforms to the

following standards:

BS EN 61326: 1998

Electrical equipment for measurement, control and laboratory use

BS EN 61010-1:2001

Safety Requirements for electrical equipment for measurement, control, and

laboratory use – Part 1

4mm banana test lead (CAT III 600V)

Alligator clip (CAT III 600V or CAT IV300V)

1. Product Layout – UT527

Diagram 1 and Diagram 2

1. Class 1 test selected

2. Class 2 test selected

3. Cord test / IEC / Extension lead test selected

4. Mains socket test Live Neutral and Earth indicators

5. Check the connection – Ensure that the appliance is switched on before test

6. Earth test Pass / Fail indication

7. Insulation test Pass / Fail indication

8. Polarity Test - Cord test / IEC / Extension lead pass / fail indication

9. Overall Test Result Pass indicator

10. Overall Test Result Fail indicator

11. Warning symbol

12. Low Battery warning

13. Earth Bond Test Lead socket

14. IEC test socket and Mains testing IEC socket

13 14

Front Panel Operation

1: Press +button, Power on / Power Off.

2: Press button, when testing a CLASS I Appliance.

3: Press button, when testing a CLASS II Appliance.

4: Press button when testing Cord / Extension Lead Test.

Ⅵ. Before Testing - Zero the Earth Bond Test Lead

Press and hold the button for 5 seconds to Zero the earth bond reading

using the earth bond lead and the nulling adapter together in the front test socket.

This will Null the earth reading of the test lead and display a tick when complete. It

is good practice to do this once prior to carrying out testing.

The unit will automatically switch off after approximately 2 minutes if no any

buttons are pressed.

Testing a CLASS 1 Appliance

Plug the appliance into the UT527 panel main socket Plug the earth test lead

into the socket (13) on the UT527 end panel. Connect the earth crocodile clip to

an exposed metal part on the appliance as below.

1. Earth / Protective conductor test

Press the Class 1 test button to start the test.

If the earth resistance measured is greater than 0.2 Ω, the meter will display “×”

Earth Cont with “ ” flashing which is a FAIL. If this occurs, re- check the

connections between the pin of the plug to the bodywork of the appliance and that

the crocodile clip is attached to clean earthed metalwork on the appliance; If all

connections are ok the appliance earth connection maybe faulty.

The PASS mark for the earth bond test is 0.2 Ωfor a Class 1 appliance.

If the reading is less than 0.2 Ω, the meter will display “√” Earth Cont which is a

PASS.

The unit will then automatically attempt to proceed to the Insulation test.

Press the button to proceed to the insulation test.

2. Insulation Resistance Test

Before the unit carries out the insulation test the unit will attempt to check to

see if the appliance is in the on position.

If it detects that the appliance is in the on position it will automatically carry out

the Insulation test.

If it appears to the unit that the appliance power switch is not in the on

position the unit will display “Check Connections” and the “ ” will be

flashing;

If this happens press the key and the unit will continue to carry out the

insulation test.

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