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. |
Standard | Special |
Temp. °C |
Class ‘B’ |
Class ‘A’ |
||
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% |
- |
|