Seaward A252 - Manual (Page 12)

A252 Portable Appliance Tester INSTRUMENT DESCRIPTION
Flash Test PASS/FAIL lamps glow to indicate the result of the applied test.
When applying a double insulated test via the flash probe a PASS indication should be taken to indicate
that no fault was found at the point of application of the probe.
Test Selector
rotate switch and set to required test as follows
for Class I equipment
Earth Test
also use appropriate Earth Return socket to select 25A or 8A test current.
500v Flash mainly only used for equipment with inherently high capacitance suppression.
1250v Flash for normal Class I equipment.
for Class II equipment
2500v Flash
for routine testing of audio/visual appliances and other BS415 related equipment.
3000v Flash for routine testing.
3750v Flash for repaired or reconditioned tools.
for Information Technology (IT) Equipment
Functional Earth
100mA continuity test, purely functional - not to be confused with safety Earth Test.
500vDC Megohms for measuring insulation resistance if Flash Test considered too severe.
D0010024.DOC (01/01/94) Page 12 INSTRUCTION MANUAL