TestSafe miniPAT Manual de usuario
TESTSAFE
miniPAT
APPLIANCE TESTER
USER MANUAL
TABLE OF CONTENTS
SAFETY RULES 3
GENERAL DESCRIPTION 4-9
Overall Result 4
Earthing and Class I Appliances 5
Overall Result–Class I Appliances and Cables 5
Inserting the Battery 6
Low Battery Warning 6
Calibration 6
Visual Checking 7
Determining the Appliance Class 8-9
SAFE OPERATION 10
Preuse Check 10
APPLIANCE CHECKING 11-16
How to Test an Appliance 11
Class I and II Testing Examples 12-16
SPECIFICATIONS 17-18
LIMITED WARRANTY 19
2
SAFETY RULES
CAUTION RISK OF ELECTRIC SHOCK
This appliance tester has been designed with your safety in
mind.
However, no design can completely protect against incorrect
use.
Electrical circuits can be dangerous and/or lethal when lack
of caution or poor safety practices are used.
DO NOT USE the miniPAT tester on any appliance which is
connected to the electrical supply.
Ensure the appliance under test is fully isolated from the
mains.
Do not touch any exposed wiring, connections or other "live"
parts of any electrical circuit. If in doubt, do not proceed and
seek advice.
CAUTION: READ THE MANUAL!
Follow the instructions contained within this user manual
every time.
Training courses and DVD's can be found here:
www.pat-testing-course.com
3
GENERAL DESCRIPTION
This miniPAT is a simplied version of a standard PAT tester
that uses low voltage to perform all of its testing function.
The miniPAT is also suitable for use on IT equipment.
The miniPAT is not intended to be used to perform high
volume or certification-type testing where readings are
required. It has been designed to be simple to use, but still
has all the necessary basic functions to check a normal
appliance.
The miniPAT gives indication of an appliance's safety and
allows users to decide if appliance or cables are OK to use.
It is also useful for checking correct operation in the time
period between annual PAT testing.
It can also be used to quickly give indication if an appliance
has insulation or earth fault.
The miniPAT give an indication that the insulation resistance
is acceptable. If this is not the case, the L-E or N-E LED light
will illuminate red, showing a likely insulation fault.
If the insulation and earth bond of the appliance are correct
the overall result LEDs will illuminate green.
Overall Result
The unit has an overall result indicator depending upon
which Class of appliance is being tested.
Class I appliances ‒ must be green.
Class II appliances ‒ must be green.
4
Earthing and Class I Appliances
Class I appliances and cables must always have an earth
wire tted for safety.
It is a critical safety feature of class I appliances and a class
I cable that the earth wire is connected.
As well as the insulation test the miniPAT will also verify that
the resistance between the earth chassis of the appliance
and the earth conductor (at the plug) connected to the
appliance is less than 0.3Ω (ohms).
If this is not the case, the earth bond LED will illuminate red,
showing a likely continuity fault between the earth at the
plug and the chassis of the appliance.
If the earth result is under 0.3Ω the earth LED will light up
green.
Overall Result ‒ Class I Appliances and Cables
When the insulation and the earth LED test results have
passed, the class I overall result LED will light up green,
showing that the appliance has passed the predetermined
tests.
Please note that due to the fact that this checker uses less
than 10V for its test, faulty voltage-dependent devices could
be undetected, such as surge protected extension leads.
5
Inserting the Battery
Your miniPAT comes complete with a PP3 battery in the
carry case.
Before use for the first time you need to insert the battery
into the tester. To do this:
1) Remove the tester from the green silicone protective boot
and unscrew the two screws in the side of the tester.
2) Lift off the lid and connect the battery to the connector.
3) Refit the lid in the reverse of the manner above, taking
care not to damage any cable within.
Your miniPAT is now ready to use.
Low Battery Warning
The miniPAT is tted with a low battery warning light which
will light up when the battery voltage is below 7V (volts).
If this happens, replace the battery.
Calibration
It is recommended that the unit should be calibrated every
12 months to ensure reading accuracy.
6
Visual Checking
Before carrying out any type of test on an appliance you
must check the following:
1) Plug
- For signs of cracks, damage and/or overheating.
- Ensure the cable is tightly in the plug and not loose.
2) Cable
- For splits in the cable and/or areas that have been
covered with insulating tape.
3) Appliance
- That the switch functions correctly and that it's not
cracked or damaged.
- There are no signs of overheating.
- All covers are in place.
If you nd any of the above faults the appliance should
be withdrawn from service and not used.
Do not carry out any testing if you nd an appliance that
is damaged in any way.
Before testing any appliance try and make sure any
switches are in the ON position.
7
Important Information - Determining the Appliance Class
Before you can check any appliance, you must first
determine the class of the appliance.
This will determine which LEDs you need to check whilst
testing.
Appliances and cables generally only fit into one of two
classes: Class I or Class II.
Class I Appliances
Class I appliances always require an earth wire from the
earth pin of the plug to the bodywork of the appliance for
safety. Examples of class I appliances include:
Kettles, toasters, irons, microwaves, washing machines,
PCs, monitors, shredders & laptop chargers.
Class I Cables
These must always have an earth for safety which runs from
the earth pin of the plug to the earth socket on the earth
socket on the other end of the cable. Examples include:
Kettle power leads, PC mains leads, laptop power supply
cables, monitor mains leads, 4 way extensions & extension
reels.
See cable examples on the following pages.
8
Class II Appliances
These appliances are double insulated for safety and DO
NOT require an earth cable safety.
Examples of Class II appliances are:
Mobile phone chargers, DVD players, hairdryers, food
mixers, straighteners, hedge trimmers, lawnmowers and
mains powered drills.
If you are unsure what class an appliance is, rst look for a
Class II symbol somewhere on the appliance identication /
rating plate.
The Class II Symbol looks like this:
What If Your Cannot Find the Class II Symbol?
Treat the appliance as a Class I.
If you are unsure about class identication and PAT testing,
why not take a look at the website below which offers a
training DVD?
www.pat-testing-course.com
9
SAFE OPERATION
Pre-use Check
DO NOT CONNECT ANY APPLIANCE TO THE TESTER
DURING THIS CHECK.
1) Press the "TEST" button.
The LOW BATTERY indicator should NOT light up.
The Class I and the Earth LED should light up red.
The Class II and the Insulation LED should light up
GREEN.
2) If the above is correct then you can proceed to use the
tester.
10
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