9. MAINTENANCE, SUPPORT AND SERVICES
9.1 Guarantee
The equipment supplied by is guaranteed against defective material and faulty manufacture for
a period of twelve months from the date of dispatch. In the case of materials or components
employed in the equipment but not manufactured by us, we allow the customer the period of
any guarantee extended to us.
The equipment has been carefully inspected and submitted to comprehensive tests at the factory
prior to dispatch. If, within the guarantee period, any defect is discovered in the equipment in
respect of material or workmanship and reasonably within our control, we undertake to make
good the defect at our own expense subject to our standard conditions of sale. In exceptional
circumstances and at the discretion of the service manager, a charge for labour and carriage
costs incurred may be made.
Our responsibility is in all cases limited to the cost of making good the defect in the equipment
itself. The guarantee does not extend to third parties, nor does it apply to defects caused by
abnormal conditions of working, accident, misuse, neglect or wear and tear.
9.2 Maintenance
9.2.1 Cleaning
The body of the equipment can be cleaned with a damp lint-free cloth. Should it be required,
weak detergents can be used. No water must enter the equipment. Do not attempt to wash down
internal parts.
9.2.2 Safety Checks
Each year the equipment should be given a simple safety check.
9.2.2.1 Equipment required
25A ground bond tester (e.g. Megger PAT 2)
Insulation tester @ 500V DC (e.g. Megger BM 7)
9.2.2.2 Tests
1) DISCONNECT THE INSTRUMENT FROM THE AC POWER SUPPLY!
2) Inspect the unit and associated wiring for damage e.g. dents or missing parts which might
impair the safety or function of the equipment. Look for any signs of overheating or
evidence that objects might have entered the unit.
3) Ground Bond: Ensure that 25A DC can flow from exposed metal parts of the unit (not
BNC connector outers) to ground with an impedance of less than 100m.
4) Insulation Test: Connect the Live and Neutral of the power cable together and test the
insulation between this point and the ground at 500V DC. Readings greater than 1M are
acceptable.
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