Technical Specification for A.C. Single Phase, 2 Wire ... - WBSEDCL

More documents

Recommendations

Info

a) Manufacturer‟s name & trade markb) Type Designationc) No. of phases & wiresd) Serial number (Size not less than 5mm)e) Month & Year of manufacturef) Reference Voltageg) Rated Currenth) Operating Frequencyi) Principal unit(s) of measurementj) Meter Constant (imp/kwh)k) Class index of meterl) “Property of WBSEDCL”m) Purchase Order No. & Daten) Guarantee (Guaranteed for a period of 5 1 / 2 Yrs. from the date of delivery)o) BIS markingp) Place of manufactureq) Bar coded Sl no. of the meter along with manufacturing date.22.0 CONNECTION DIAGRAM & TERMINAL MARKINGS:The connection diagram of the meter should be clearly shown on terminalcover.23.0 OUTPUT DEVICEThe meter should have a test output accessible from the front and capable ofbeing monitored with suitable testing equipment while in operation at site. The testoutput device should be provided in the form of LED output. There should beadequate clearance of the test output from other outputs so that there is nointerference of other outputs while performing accuracy test with standardscanners.The relation between test output and the indication on display should comply withthe marking on the name plate (imp per KWh)24.0 ELECTRO-MAGNETIC-COMPATIBILITY & INTERFERENCE REQUIREMENTThe meter should meet EMI / EMC requirements as specified in the relevantstandards described in Clause 2.0 of this specification.25.0 SEALING ARRANGEMENT :All meters shall be sealed by the manufacturer at its works with 2 (two) nos.Polycarbonate seals with manufacturer‟s logo and sequential numbers.A Tracking and recording software (25 nos. or more as per our requirement) for allnew seals shall be provided by the manufacturer of the meter so as to track totalmovements of the seals starting from manufacturing, procurement, storage, recordkeeping, installation, series of inspections, removal & disposal.Seal tracking software should be submitted and installed at PC/Laptop of thepurchaser before commencement of supply of meters.
General Requirements1. GUARANTEED TECHNICAL PARTICULARS :The bidder shall furnish all the necessary information as desired in the Schedule ofGuaranteed Technical Particulars and data, appended with this Specification. If thebidder desire to furnish any other information(s) in addition to the details as asked for,the same may be furnished against the last item of this Annexure–I2. TECHNICAL DEVIATIONS :Any deviation in Technical Specification as specified in the Specification shall bespecifically and clearly indicated in the Schedule of deviation format.3. TESTS :i) Type Testing of Meter:The offered meters should be type tested at any NABL accredited laboratory inaccordance with IS 13779 with latest amendments, CBIP Report 304 with latestamendments. The type test report should not be more than 3 (three) years old. Acopy of the Type Test results should be enclosed with the offer. If there is anymodification in the design/parameters of the specifications or use of constituentmaterials in the offered meters submitted with the offer, from the meter which wassubmitted type tested, which may affect the characteristics as well as parameters ofthe meter, revised type test certificates as per the design, parameters and constituentmaterial used in the offered meter, shall have to be submitted failing which the offermay be liable to be rejected.Type Test Certificate from any NABL accredited Lab. shall only be considered.Type test certificate should contain the following information clearly :1) Class of accuracy.2) Meter constantii) Acceptance tests :A. The acceptance tests as stipulated in CBIP / IS (with latest amendments) and shallbe carried out by the supplier in presence of purchaser‟s representative. Lot size,sampling and procedure to be followed for acceptance test will be as stated belowThe lot size of Meters is 20,000 nos. & no. of Sample Meters to be selected atrandom from the lot is 32 nos.The following tests shall be carried out on all the 32 nos. meters thus selectedat random.The WBSEDCL‟s Engineers will witness the various quality control measuresadopted for verification of different components of meters and satisfythemselves about the same. They will also inspect the protocol for maintainingthe accuracy of the meter testing equipment with reference to the standard atmanufacturer‟s meters testing station.
Page 1 and 2: WEST BENGAL STATE ELECTRICITY DISTR
Page 3 and 4: 5.0 POWER FACTOR RANGEThe meter sho
Page 5 and 6: 11.5 All insulating material used i
Page 7 and 8: vii) Meter should record energy wit
Page 9 and 10: A) Auto Display Mode :The following
Page 11: This BCS should have, amongst other
Page 15 and 16: Shunt test by applying 100 Amps con
Page 17 and 18: a) While submitting the samples and
Page 19 and 20: The electronic components shall be
Page 21 and 22: Component Specifications:The meters
Page 23 and 24: ANNEXURE - IGUARANTEED TECHNICAL PA
Page 25 and 26: Sl.No.ParticularMin. Requirement as
Page 27 and 28: Sl.No.Particular(ii) Compliance to
Page 29 and 30: Sl.No.ParticularMin. Requirement as
Page 31 and 32: ANNEXURE - IVSl.No.1LIST OF DOCUMEN
Page 33 and 34: 6.) Description of Test:Limits of E
Page 35: 13.) Meter Display14.)PhysicalExami
Page 39 and 40: 3.5 Fixing arrangement :The meter b
Page 41 and 42: If the type test results are not fo
Page 43 and 44: ANNEXURE-VIGUARANTEED TECHNICAL PAR
Page 45: ANNEXURE - VIITESTING1. Sample sele

Technical Specification for A.C. Single Phase, 2 Wire ... - WBSEDCL

Create successful ePaper yourself

Delete template?

Save as template?