T & C AND TEST

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16.1 TEST AND CALIBRATION OF MEASURING AND TEST
INSTRUMENTS
All measuring and test instruments used for testing of the electrical installations and calibration and test for the protection relays shall be regularly tested and calibrated by the manufacturers or test and calibration laboratories for their functionality and accuracy. Basic measurement accuracy for these instruments shall be within 5 %. In the case of analogue instruments, a basis accuracy of 2 % of full scale deflection shall be provided. Test and Calibration Reports or Certificates for the measuring and test instruments issued by the test and calibration laboratory shall be valid for two years from the date of issuance.
The instruments and their Test and Calibration Reports or Certificates shall be submitted to S.O.’s Representative for verification two weeks before testing of the electrical installation being carried out. No test on the electrical installation shall be carried out without prior approval of the S.O.’s Representative. Notwithstanding the validity of the aforesaid Reports or Certificates the measuring and test instruments shall be re-calibrated if so required by the S.O.’s Representative after any mechanical or electrical mishandling. Fee required for the testing and calibrating of the measuring and test instruments is deemed to be included in the Contract.


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