Phase 4 – Wire L.T. Solid State ( Static) Whole Current ... - WBSEDCL

3.2 Acceptance testsA) The acceptance tests as stipulated in CBIP / IS (with latest amendments) shall be carried outby the supplier in presence of purchaser’s representative.B) Also the following additional tests are to be carried out on one meter randomly selectedfrom each lot offered for inspection / acceptance testing.i) Magnetic induction of external origin (AC & DC)ii) Tamper & Fraud protection, as per Clause of 12 of this specification.iii) Test of endurance upto 150% of Imax, for two hours, followed by verification oflimits of error.iv) Verification of internal components.v) Dry Heat Test as per IS 13779 / 99, Clause 12.6.1, of one meter from the offeredlot is to be arranged by the supplier at any NABL accredited laboratory, at his cost.In case of failure of Meters as specified in Annexure – H of IS-13779 (For A above) the entire lot willbe treated as rejected.In case of failure of any single meter (as per B above) the entire lot will be rejected.3.3 Routine Tests :Each and every meter of the offered lot shall undergo the routine tests as well as functionaltests as per IS: 13779/1999, CBIP Report 304 and after sealing the meters, the manufacturerswill have to submit the routine test report of all the meters as well as a statement showing sealSl. Nos. against each meter Sl.No. of offered lot in soft copy (MS WORD or EXCEL format), to(a) The Chief Engineer( Procurement and Contract)(b) The Chief Engineer( DTD), along with offer letter for acceptance test.4.0. TEST FACILITIES :The tests for equipment / instrument shall be carried out as per relevant Standards and testcertificates shall be furnished for scrutiny. The Bidder shall indicate the details of theequipment available with him for carrying out the various tests as per relevant Standards. Thebidder shall indicate the sources of all equipments / instruments.NOTE : The standard meters used for conducting tests shall be calibrated periodically at anyNABL Accredited Test Laboratories and test certificates shall be available at Works forverification by purchasers representative.The manufacturer shall have at least the following testing facilities to ensure accurate calibration:-‣ AC high voltage test‣ Insulation test‣ Test of no load condition‣ Test of Starting condition‣ Test on Limits of error ( Automatic Testing facility with ICT)‣ Power loss in voltage and current circuit‣ Test of Repeatability of error‣ Test of meter constant‣ Test of magnetic influence (As per CBIP 304 & Permanent Magnet).14