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4
Safety Warnings
The following Safety Warnings and Precautions
must
be read and understood before the instrument is used. They
must
be observed during use.
■
Only use test leads and accessories supplied or approved by Megger Instruments Limited
■
At any time the
G
symbol or
F
symbol is displayed, the user guide and warnings documentation must be consulted to identify the nature of the hazard and any actions
necessary to avoid the hazard
■
Do not use the instrument if there are any signs of damage
■
This instrument meets the EMC requirements of Class A applications. Not for use in domestic installations
■
All test leads, probes and clips
must
be in good order, clean and with no broken or cracked insulation
■
Probes and clips should be held behind the finger guard
■
Test leads not used during a measurement should be disconnected from the Appliance tester
■
During testing, ensure no hazard will exist as a result of normal running or under fault conditions
■
During testing the unit under test (appliance) should not be touched, other than using the appropriate accessories, as faulty appliances can present a shock hazard
■
Do not touch the exposed parts of test leads during tests as hazardous voltages may be present
■
Do not intentionally connect test leads to live systems or hazardous voltages
■
Do not touch the IEC extension lead socket pins especially during a test, as hazardous voltages may be present due to a potentially faulty appliance
■
Do not touch the exposed earth pins of the 230 V test socket during a test, as voltages may be present due to a potentially faulty appliance
■
Serviceable fuses should only be replaced with those that are suitably rated
■
Replacement fuses
must
be of the correct rating and type.
Refer to page 33
■
If this instrument is used in a manner not specified in the supplied documentation, the protection provided by the instrument may be compromised
PAT150
■
For safety, only connect the PAT to a supply that is properly earthed. If in doubt, the supply should be checked by a qualified electrician
■
Only perform a mains powered leakage test after the Earth bond and insulation tests have been completed, as this test operates at mains voltage
■
During mains powered leakage tests the appliance under test will operate. Make sure the appliance is safely secured to ensure no damage or danger is possible
■
A yearly calibration is recommended with interim checks on measurement accuracy to ensure no equipment can be left in a hazardous live condition through incorrect readings
■
Only use a Megger approved PAT100 charger. Other chargers may present a fire risk
■
Do not connect the battery charger to the PAT150R whilst running a test
■
During testing make sure that the shutter covers the battery charger port. There is a risk of electrocution from exposed terminals. Do not touch any exposed terminals or probe tips
during test
■
Always remove the mains plug test lead
from the mains supply AND the instrument when not in use
