Megger PAT4DV/3 Bedienungsanleitung

User Guide

PAT4DV/3 & 4DVF/3

Portable Appliance Testers

SAFETY

Symbols used on the instrument.

Caution: Refer to accompanying notes Risk of electric shock.

Equipment complies with relevant EU Directive

SAFETY WARNINGS

•Safety Warnings and Precautions must be read and understood before the instrument is used. They must be observed during use.

•For safety, PAT4 must be properly earthed. Only use a supply socket that has a protective earth contact. If there is any doubt as to

the effectiveness of the supply socket earth, connect a known good earth to the earthing point on the PAT4 front panel.

•Test leads, probes and crocodile clips must be in good order, clean and with no broken or cracked insulation. The flash test probe must

be held behind the handguard, and only be connected to the PAT4 for the duration of the test.

•For safety, tests are performed in the correct order. If an asset (appliance) fails a test, PAT4 will fail the asset and exit the test sequence.

The fault causing the failure must be corrected before the appliance is re-tested.

•During testing, ensure that no hazard will exist if the asset operates as a result of normal running, or of a fault condition.

•Assets should not be routinely flash tested.

•Where assets have to be flash tested, see ‘Flash Testing – Warnings’ on page 11.

•When performing an Insulation test the asset must not be touched.

•Only perform an Operation test after an Earth Bond Test (Class 1 only) and Insulation Test (Class 1 or Class 2) have been verified.

•The instrument should not be used if any part of it is damaged.

•Replacement fuses must be of the correct type and rating. See ‘Fuses’ section.

NOTE: THE INSTRUMENT MUST ONLY BE USED BY SUITABLY TRAINED AND COMPETENT PERSON

Safety 2

General Description 3

Fuses 4

Features and Controls 5

Setting Up 6

Contrast Adjustment 6

Reset to default settings 6

Shortcut to Comms Upload (from PC) 6

Results print-out after test 6

Logging in to the unit 7

User names and PIN numbers 8

Setup Manual/Autopass Testing/Fail Buzzer 9

Setup Test Times 10

Setting the Clock 11

Setting Up the Test Company Title 12

Barcode Scanner 13

Clients and Locations 14

Selecting an existing Client and Location 15

Adding or editing a Client 16

Adding or editing a Location 17

Erasing a Client or Location 18

Asset Test Groups 19

Adding, editing or erasing a Group 21

Assets 22

Adding an Asset 23

Editing or erasing an Asset 24

Locate an Asset 25

Testing an Asset 27

Auto Restart to Main screen 28

Repair Codes 28

Historical Data 29

Quick-Check 30

Erase Memory 31

Printing Reports and Results 32

Download/Upload Data 33

Download to a Computer 34

Upload from a Computer 35

Description of Tests 36

Visual Inspection List 36

Earth Bond Test 37

Earth Continuity Test 37

Circuit Test (Pre-Test) 38

Insulation Test 38

Operation Test 38

Earth Leakage (Touch Current) Test 39

Fuse Test 39

Extension Lead Testing 39

Flash Test (PAT4 DVF only) 40

Demonstration Data 41

Specification 44

Accessories 47

Repair and Warranty 48

Contents

The PAT4 Portable Appliance Testers provide significant

advances in the ease of use, with features designed to speed up

the testing of electrical equipment. The instruments meet the

testing requirements of the UK Electricity at Work Regulations

and the IEE Code of Practice for In Service Inspection and

Testing of Electrical Equipment. The instruments may be used

stand alone, or for maximum advantage, with PC based

software, such as XPressTM software for WindowsTM (See

Accessories). The integral real time clock ‘stamps’ an accurate

time and date on every test. PAT4 utilises a unique concept

known as Test Groups. This permits very rapid addition and

testing of equipment with a minimum of data entry. Once set up,

the use of Test Groups will save a great deal of time. Additionally,

Test Groups ensure that only the correct tests can be applied to

the equipment under test and eliminate the need for complex test

codes.

PAT4 provides a professional system for the rapid testing of

equipment while maintaining the essential traceability of asset

test history. The on-board Asset (Appliance) database keeps a

record of appliance details, re-test frequency, test and re-test

dates, and allows the previous test results to be displayed at the

time of test. As well as the easy to use QWERTY keyboard, each

field is named, so there is less chance of entering the wrong

information. Data entry via optional bar code scanners is also

possible. The lithium backed ‘real time’ clock maintains the time

and date accurately for over ten years and automatically date

and time stamps every asset tested. Data is stored in battery

backed, solid state memory that under normal circumstances will

be protected for ten years. Such storage media is however

susceptible to external influences such as transients and static

discharge. These effects may cause data corruption or loss.

Megger Limited cannot accept responsibility for any such losses

of data. When the PAT4 is used with PC software such as

XPressTM software, employing good working practices, such as

the regular downloading of data will substantially reduce the risk.

The following information can be stored and accessed directly on

the PAT4.

•Assets (Appliances) - total number 1000

•Locations (Site details) 20

•Results (sets of) 1000

•Test Groups 50

•Clients (names and addresses) 10

•Users 10

The instruments can perform the following tests:

•Visual Inspection list

•Insulation test

•Fuse Test

•Operation test.

•Circuit test (pre-test)

•Earth leakage test.

•Earth Bond test

•Extension Lead test.

•Earth Continuity test

•Flash test (PAT4 DVF only).

Due to the often harsh electrical environments in which Portable

Appliance Testers are used and the likelihood of testing faulty

equipment all Megger Portable Appliance Testers are protected

by appropriate internal fuses. This ensures that the instrument is

protected from serious damage.

General Description

An unfortunate downside to using internal protection fuses is that

the PAT4 can be rendered inoperative simply by the failure of

such a fuse resulting in frustration and delay for the user. In order

to ensure that the instrument can quickly be put back into service

without downgrading its protection externally located fuses are

now fitted to all new PAT4 models. These may be changed

quickly and simply by the user in the event of a failure. For

maximum convenience all fuses are of the same value.

Additionally the PAT4 display will now indicate which fuse has

failed, unless of course it is main supply fuse in which case the

screen will be blank.

Replacement of Fuses

Always disconnect the PAT4 from the main supply before

checking fuses. Use correct replacement fuses as printed

adjacent to the fuse

Megger Part No. for replacement fuses 25950-014

Using your PAT4

Connecting to the Power supply

Plug the PAT4 into a standard 230 V supply for testing 230V

appliances or into a 110V supply for testing 110V appliances. A

110V ‘site’ or ‘tool’ transformer may be used.

On connecting to the supply, the PAT4 performs a rapid self-test

and calibration sequence. If the screen is dim, refer to Contrast

adjust.

* For 230 V 60Hz operation see note on Earth Leakage, page 45

Fuses

Features and Controls

TESTS

COMMS

CHECK-TEST

Auxiliary Earthing Point

(see Safety Warnings)

110V Appliance connection

230V Appliance connection Fuse test points

LCD display

Multi-function

Soft keys

Earth

Continuity connection

(200mA)

Earth Bond Connection

Lead test Connection

13A protection fuses

Mains power Connection

230V or 110V

Flash test socket

(Class 2 equipment)

(PAT4 DVF only)

Lead/Accessory

Storage

Barcode scanner/ PC

connection

Parallel

PrinterConnection

FS2

ESC/DEL key and

Multi-function soft key

FS4

OK key and

Multi-Function Soft key

SPACE=SHIFT + 0

Flash Test

Operation

FS1

Multi Function keys.

ESCape back to previous screen or used to DELete typed text.

OK when there is no displayed function.

Contrast Adjustment

PAT4 has been designed so that contrast adjustment will not normally be required unless working at extremes of temperature.

1 Press and hold the letter ‘C’ key during the full switch on sequence.

The Contrast screen is displayed.

2 Press the left hand keys repeatedly, to adjust the contrast as required

and press the OK key.

Reset to default Settings

If desired, the PAT4 can be reset to the factory default settings, and re-instate the demonstration data.

Note: All existing data and User configurations will be erased.

1Press and hold the letter ‘R’ key during the full switch on sequence.

The adjacent screen is displayed:

2 Confirm the request using the ‘Y’ key. On completion, you will be returned

to the Login screen.

3 Use ‘AVO’ and ‘1 2 3 4’ as the User / Pin to re-start.

Shortcut to Comms Upload (from PC)

If there is no useful data stored in PAT4, and it is required to upload new data from a PC,

this short cut allows direct access to the “COMMS RECEIVE” mode.

1 Press and hold the letter ‘U’ keyboard key during the full switch on sequence

The ‘Erase Data’ screen is displayed.

2 Press EXIT to cancel the erasure, or CONTINUE to proceed.

The ‘Are you sure ?’ screen is displayed.

3 Press the YES key to confirm, or cancel by pressing the NO key.

Results print-out after test

PAT4 can be selected to print a short report of the test results immediately after each test. To toggle the status of this feature from off to on or vice

versa, press and hold the ‘P’ key during the full switch on sequence. Note: No screen is displayed to show that the change has occurred.

Setting Up

Contrast

Reset to defaults ?

Confirm (Y/N)

Erase all data

EXIT CONTINUE

PAT4 accepts up to ten User names / PIN numbers at any one time, allowing only authorised persons to use the unit, if required. To input User names

and their respective pin numbers see ‘Settings’. Tests are attributed to the user that is currently logged in.

If you have not used the PAT4 before:

1 Type in the name AVO. Typing errors can be deleted using the ESC/DEL key. Press the OK key.

2 Type in the PIN number 1234 and press the OK key. The current Client will be briefly displayeD

followed by the Client screen.

3 Press the SELECT key. The Client Selection screen is displayed.

4 Press the NEXT key repeatedly. Each time the key is pressed, the next Client is displayed.

5 When the screen displays the desired client, press the OK key. This selects the displayed client as

the current client. The ‘Location‘ screen is now displayed.

6 Press the SELECT key in order to view and choose the site or building location.

7 Press the NEXT key repeatedly. Each time the key is pressed the next location within

the selected client is displayed.

8 When the screen displays the desired location, press the OK key.

This selects the displayed location as the site location you are currently using.

The Main screen is displayed.

Main Screen

The Client and Location need be selected only once for any particular site. PAT4 will assume the same settings until you deliberately logout from the Client. Even

if mains power is removed e.g. when moving around a site, if you have not logged out, the PAT4 will automatically return to the Main screen.

Logging in to the Unit

User:AVO

PIN: *

Client SELECT

LOGOUT ACCEPT

NEXT Client MORE

AVO INTERNATIONAL

Location SELECT

LOGOUT

NEXT Location MORE

ASHFORD SITE

TESTS QUICK-CHECK

COMMS MENU

User names and Pin numbers

Names and Pin numbers for up to 10 authorised Users can be entered at any time. Test results are individually credited to the person logged in at the time of

testing and downloaded to Megger software if used.

1 From the Main screen, press the MENU key.

2 From the Menu screen, press the SETTINGS key.

3 Press the USERS key.

4 To check current Users, press the LIST key.

5 Use the left hand keys to scroll through the user list. The user who is currently logged in is displayed with an

asterisk * against the name. To edit or erase a user scroll until the required user is displayed.

6Press the MORE key. The softkey options are displayed. From this screen you can ADD a new user, EDIT or

ERASE the currently displayed user.

7 To add a new user, press the ADD key.

8 Type in the new User name then press the OK key.

9 Type in the desired PIN number (4 digits), press the OK key to save the user and PIN.

To login a different User, the current User must first be logged out - refer to the Client/Location Selection flow

chart - press the LOGOUT key. The User/PIN screen is displayed.

TESTS QUICK-CHECK

COMMS MENU

ASSET

SETTINGS CLIENT

CLOCK

MISC USERS

LIST Users

LIST Users MORE

SMITH

ERASE Users

EDIT SMITH ADD

User

SMITH

5678

Setup Manual / Autopass Testing / Fail buzzer

If ‘AUTOPASS’ is selected, testing will proceed automatically with PAT4 determining the pass/fail status according to the pre-selected Group limits. If

‘MANUAL’ is selected, PAT4 will pause after each test and display a “Pass” / “Fail” decision prompt. The buzzer can be set to sound when a test fails

in AUTOPASS mode. To mute the buzzer following a failure, press the OK key.

1 From the Main screen, press the MENU key.

2 From the Menu screen, press the SETTINGS key.

3 Press the MISC key.

4 Press the TEST SETUP key. The current Manual / Autopass setting is shown.

5 Using the lower left key, toggle the Manual / Autopass setting as required.

6 To set up the Fail buzzer, press the BUZZER key. Using either the OFF or ON key,

switch the buzzer feature off or on as required.

7 On completion use ESCape to back up to the Menu screen (and Main screen if required).

TESTS QUICK-CHECK

COMMS MENU

ASSET

SETTINGS CLIENT

CLOCK

MISC USERS

TEST SETUP

COMPANY MEMORY

TEST TIMES

AUTOPASS BUZZER

Fail buzzer OFF

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