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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
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