Công ty TNHH TM DV Đại Phú Cát (DPCVIETNAM)-Đại lý chính thức hãng TIPL (India) tại Việt Nam – Chuyên cung cấp các loại Thermocouple, Recorders, Pressure Transmitters….Và đây là 1 số dòng sản phẩm DPC Vietnam cung cấp: 
GENERAL SPECIFICATION
| Designs | Design no.1...5 & IT40 Sr. | Response time | 6 Sec.(63.2%) for 6mm OD sheath |
| Head | Provided in design no.4 & IT40 Sr. | Smallest bending radius | Twice the sheath diameter |
| Head material | Cast aluminum | Mounting | Adjustable compression fitting |
| Head type Standard | With threaded cover & cable entry(3/4”ET/ ½”BSP) | (In design no.4 & IT40 Sr.) | 1/8”BSP(M) upto 6mm OD sheath other sizes on request in design no.4 Flange/ Threaded in IT40 Sr. |
| Weatherproof Flameproof | Standard with gasket & challan (IP65) CMRS approved for group 1,IIA,IIB & II C, weatherproof to IP65 | Extension Cable (in design no.2) | Compensating Cable with fibre glass/figre glass/SS wire braided insulation for Thermocouple. Copper cable with Teflon/Teflon/SS wire braided Insul. For RTD other types on request |
| Terminal block (in design no.3,4 & IT40) | Ceramic with brass terminals & with provision for two mounting screws on 33mm PCD; terminal block is spring loaded in design no.3 & IT40 | Connector (in design no.5) | Of glass filled thermoplastic with thermocouple grade contacts & ANSI colour coaded for thermocouple (Design No.5A); Of MS, circular threaded locking type with copper contacts, 3/6 pin for RTD,(Design no.5B) |
| Sheath | AISI316/304/321/347/310/ 446/inconel600/ Hastalloy X in 1, 1,5,3,4,5,6,8,12,7,15,8 & 19.05mm dia for thermocouples; AISI 316 in 3.2, 4.8, 7 & 8mm dia for RTDs. | ||
| Element | Simplex/duplex: J/K/T/E/N/S/R for thermocouples: Pt100, 2/3 wire for RTD with copper leads (Const./Ni. optional). | Thermowell (in IT40 Sr.) | Refer drg. No. TC260(3) for selection of Design. General construction of sensor in this case will be as per drg.no.TC259(3) using insert as per design no.3 alongwith head & extension using nipple/union. |
| Insulation resistance | 10 M Ohms at 500V DC, 100M Ohms on request. |
PROTECTION SHEATH
| Sheath Material | Composition(Appx) | Application guidelines |
| Stainless Steel 304 | 18-20% Cr, 8-11% Ni, < 2% Mn balance iron | Upto 900°C in oxidizing conditions. Has goods resistance to oxidation and corrosion. |
| Stainless Steel 316 | 16-18% Cr, 10-14% Ni, 2-3% Mo, balance iron | For use upto 900°C in oxidizing conditions. Has goods resistance to corrosion mild acid & pitting. |
| Heat resistance steel SS 446 | 23-27% Cr, balance Iron | Upto 100°C in oxidizing conditions. Excellent resistance to corrosion in sulphurous atmosphere. For use in salt bath & molten metal. |
| Stainless Steel 310 | 24-26% Cr, 19-22% Ni < 2% Mn. Balance iron | Upto 1100°. High resistance to nitrogenous atmosphere, deficient in oxygen. Suitable for carburizing, annealing, hardening furnaces & cyanide salt bath. |
| Inconel 600 | 72%(Min) Ni, 14-17% Cr, balance iron | Upto 1150°C under oxidizing conditions must not be placed in sulphurous atmosphere above 550°C. Suitable for carburizing, annealing & hardening furnace, cyanide salt bath etc. |
| Pt.6% Rh | 6% Rhodium and balance platinum | For R/S type thermocouples, maximum temperature 1650°C, for use in inert oxidizing environment. |
| Tantalum | Tantalum | For R/S/W/W3/W5 thermocouples, maximum temperature 2200°C, for use in insert vacuum environment. |
| LIMITS OF ERROR FOR THERMOCOUPLES | LIMITS OF ERROR FOR RTD Pt 100 | ||||||||
| Element | Type | Temp.Range °C | Standard | Special | Temp. °C | Class 'B'±°C ± Ω | Class 'A'±°C ± Ω | ||
| Fe/Const. | J | 0...700 | ±2.2°C/0.75% | ±1.1°C/0.4% | 0 | 0.3 | 0.12 | 0.15 | 0.06 |
| NiCr/Ni(Cr/Al) | K | 0...1200 | ±2.2°C/0.75% | ±1.1°C/0.4% | 100 | 0.8 | 0.30 | 0.35 | 0.13 |
| Cu/Const. | T | 0.....350 | ±1.0°C/0.75% | ±0.5°C/0.4% | 200 | 1.3 | 0.48 | 0.55 | 0.20 |
| Cr/Const. | E | 0....900 | ±1.7°C/0.50% | ±1.1°C/0.4% | 300 | 1.8 | 0.64 | 0.75 | 0.27 |
| Nicrosil/Nisil | N | 0....1280 | ±2.5°C/0.75% | ±1.5°C/0.4% | 400 | 2.3 | 0.79 | 0.95 | 0.33 |
| Pt10%Rh/Pt | S | 0.....1600 | ±1.2°C/0.25% | - | 500 | 2.8 | 0.93 | 1.15 | 0.38 |
| Pt13%Rh/Pt | R | 0....1600 | ±1.2°C/0.25% | - |
