A包变送器技术规范书e

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TECHNICAL PART OF Transmitter 1. General 1.1 Summary: This tender is to purchase transmitters for the auxiliary systems of the multi-cylinder fourdrinier paper machine and OMC with the production of 153000 tons per year and the stock preparation system 1.1.1 Design basis: Annual average temperature: Extremely highest temperature: Extremely lowest temperature: Annual average relative humidity: Environment temperature

12.4℃ 41℃ -22.3℃ 66% -5℃~40℃ Elevation height: <1000meters 1.2 General requirements of the bids: 1.2.1 The product will be purchased by way of tendering. The qualified, reputed bidders with excellent after-sales service will be invited to design manufacture and provide the product that is made abroad. 1.2.2 This product shall be of advanced performance, complete product, reliable quality, mature technology, and stable operation. 1.2.3 The bidders shall guarantee that the product provided shall be brand new, unused, and produced with the latest design and material of superior quality, and ensure that the products shall meet the requirements of the bidding document in all respects such as quality, specification and performance. The successful bidders shall be responsible for the commissioning; start-up and test run of the product provided. 1.2.4 The product guarantee period shall be eighteen months after the normal operation and the acceptance of the contracted products. During product guarantee period, the successful bidder shall repair and replace the damaged products free of charge. 1.2.5 The bidders shall guarantee that the products provided shall be fulfil all require from device supplier 1.2.6 Before the shipment of the contracted products, the tendering part has the right to make all kinds of essential inspection. 1.2.7 The bidders shall deliver documents of production .The documents shall be fulfil the requirements for project design; installation; start-up and test run; maintenance and repair. 1.2.8 instruments tag-number shall be printed on transmitter body by the supplier and that must not be scraped. 2.Transmitter Technical Requirement:

2.1 Level Transmitter Technical Requirement: 1. Intelligence transmitter 2. With digital display 3. DN80 4. The transmitters are the productions of the same company, the same series and the highest quality 5. Output signal: 4~20mA with 2-wire, power supply 24VDC 6. Precision better than 0.1% 7. The rate of measurement range better than 10:1 8. Measurement membrane: 316L 9. Process connect flange: stainless steel 10. Process temp. -40OC~121OC Environment temp. -40OC~85OC 11. With stainless steel fixing bracket 12. With HART communication 2.2 Pressure Transmitter Technical Requirement: 1. Intelligence transmitter 2. With digital display 3. DN80 4. The transmitters are the productions of the same company, the same series and the highest quality 5. Output signal: 4~20mA with 2-wire, power supply 24VDC 6. Precision better than 0.1% 7. The rate of measurement range better than 10:1 8. Measurement membrane: 316L 9. Process connect flange: stainless steel 10. Process temp. -40OC~121OC Environment temp. -40OC~85OC 11. With stainless steel fixing bracket 12. With HART communication 2.3 Difference Pressure Transmitter Technical Requirement: 1. Intelligence transmitter 2. With digital display 3. DN80 4. The transmitters are the productions of the same company, the same series and the highest quality 5. Output signal: 4~20mA with 2-wire, power supply 24VDC 6. Precision better than 0.1% 7. The rate of measurement range better than 10:1 8. Measurement membrane: 316L 9. Process connect flange: stainless steel 10. Process temp. -40OC~121OC Environment temp. -40OC~85OC 11. With stainless steel fixing bracket 12. With HART communication l

13. When high pressure terminal connected medium, and low pressure terminal connected air, it can work normal zero and span value not need recalculation . ( trinal valve module is not need) 2.4 Temperature Transmitter Technical Requirement: 1. Intelligence transmitter 2. With digital display 3. The transmitters are the productions of the same company, the same series and the highest quality 4. Output signal: 4~20mA with 2-wire, power supply 24VDC 5. Precision: +/-0.2℃ 6. Stability: +/-0.1℃ 7. incorporate form With Pt100 platinum resistance (input depth supplied later) 8. With junction box prevented spatter 9. With HART communication 10. Input/output insulated 11. Work temperature: -40~85℃ 12. IP66 protection class