Seaward B255 - Manual (Page 6)

Operating Manual Clare B255 Power Tool & Appliance Test Station
2
7. Test Application 19
Visual Inspection 19
Casing 19
Supply Lead 19
Plugs and Fuses 19
Switches and Function Selectors 20
Electrical Safety Tests – General 20
Earthed (Class I) Equipment 20
Earth Test 20
Flash Test – Line+Neutral to Earth 21
Double Insulated (Class II) Equipment 23
Flash Test – Line+Neutral to Probe 23
Earth Leakage Test (Class 1 Earthed/Grounded Products) 24
Earth Leakage Test (Class 2 Double Insulated Products) 25
Typical Earth Leakage Values 25
Load (Run) Current Measurement 26
Fault Indication 27
8. Instrument Integrity 28
Calibration 28
Operational Checks 28
Check Procedure – Earth Continuity 28
Check Procedure – Flash Test Trips 29
9. Electrical Specification 30
10. Maintenance 31
11. Cleaning 31
12. Additional Information 32
Useful Reference Material 32
Useful Addresses 33
Training 33