thermocouple assembly DS3014 ? tt electronics plc issue a 07/2018 page 1 tt electronics | roxspur measurement & control 2 downgate drive, shefeld, south yorkshire, s4 8bt, uk |ph: +44 (0) 114 - 244 - 2521 www.telectronics.com | roxspursales@telectronics.com general note tt electronics reserves the right to make changes in product specifcaton without notce or liability. all informaton is subject to tt electronics own data and is considered accurate at tme of going to print. descripton: roxspur measurement and control ofer type - r, s and b thermocouples in a variety of wire diameters ranging from 0.15mm to 0.50mm (larger diameters may also be available). thermocouples can be supplied as bare wire elements, ceramic insulated elements or sheathed thermocouple assemblies. ceramic insulators element wires are insulated with recrystallised alumina insulators as standard. the insulator is normally a single contnuous piece however shorter sectonal insulatng beads can be fted if preferred. thermocouple assemblies the thermocouple elements are supplied fted into ceramic closed end protecton sheaths which in turn can then be fted into a high temperature steel sheath if required. a wide range of thermocouple connecton heads are available to complete the assembly. ceramic protecton sheaths rm&c ofer ceramic closed end sheaths in aluminous porcelain, recrystallised alumina or silicon carbide. aluminous porcelain is recommended for temperatures up to 1,400oc and recrystallised alumina for temperatures up to 1,700oc. silicon carbide is recommended for temperatures up to 1,450oc and is normally used as an outer protecton sheath which requires an inner porcelain or alumina sheath to protect the element. metal protecton sheaths rm&c ofer a number of high temperature steels for use as either closed end protecton sheaths or as sockets to fx ceramic sheaths to connecton heads. stocked materials include stainless steels in 216 and 310 grades, inoconel 600 and 601, chrome/iron stainless steel 446 and sandvik 253ma nickel chrome. where a metal protecton is used, a ceramic inner sheath is normally used. process connectons flanged and threaded process ftngs are available in carbon steel and stainless steel. these can be supplied as adjustable ftngs or fxed welded. cast iron adjustable fanges are also available. features: ? variety of wire diameters from 0.15mm to 0.50mm (larger may be available ? optons for bare wire elements, ceramic insulated elements or sheathed thermocouple assemblies
thermocouple assembly DS3014 ? tt electronics plc general note tt electronics reserves the right to make changes in product specifcaton without notce or liability. all informaton is subject to tt electronics own data and is considered accurate at tme of going to print. issue a 07/2018 page 2 tt electronics | roxspur measurement & control 2 downgate drive, shefeld, south yorkshire, s4 8bt, uk |ph: +44 (0) 114 - 244 - 2521 www.telectronics.com | roxspursales@telectronics.com termination heads ceramic terminal blocks are fted as standard to all heads. process connections standard single head general purpose die cast aluminium alloy head with hinged lid. weatherproof single head cast aluminium alloy head for outside applicatons and where liquid or moisture ingress is a problem. incorporatng threaded lid, seal, ?" bsp process thread and 20mm iso cable entry. the weatherproof single head is also available in cast iron. fixed welded process available in carbon steel and stainless steel with parallel or tapered thread. adjustable process available in carbon steel and stainless steel with parallel or taper thread. flanges - fixed welded available in carbon steel and stainless steel to customer specifcatons. flanges - adjustable standard sizes 3" (76.20mm) cast iron 4" (101.60mm) cast iron 5" (127.00mm) cast iron
thermocouple assembly DS3014 ? tt electronics plc general note tt electronics reserves the right to make changes in product specifcaton without notce or liability. all informaton is subject to tt electronics own data and is considered accurate at tme of going to print. issue a 07/2018 page 3 tt electronics | roxspur measurement & control 2 downgate drive, shefeld, south yorkshire, s4 8bt, uk |ph: +44 (0) 114 - 244 - 2521 www.telectronics.com | roxspursales@telectronics.com metal protection sheaths inner impervious refractory sheath fted on all noble metal thermocouples. temperature limits subject to op- eratonal environment and thermocouple element type. thermocouple element also available: other thermocouple types and insulated elements. 253 cr ni rem 1,100oc temperature limit 3/4" nb x sch 40 (26.67 x 20.93) 1/2" nb x sch 40 (21.34 x 15.80) 5/8" od x 1/2" id (15.87 x 12.70) 54 cr fe 1,150oc temperature limit 3/4" nb x sch 40 (26.67 x 20.93) 1/2" nb x sch 40 (21.34 x 15.80) 1/2" od x 1/4" id (12.70 x 6.35) 600 ni cr fe 1,150oc temperature limit 1" od x 3/4" id (25.40 x 19.05) 1/2" nb x sch 40 (21.34 x 15.80) 5/8" od x 1/2" id (15.87 x 12.70) 1/2" od x 3/8" id (12.70 x 9.52) stainless steel available in diameters: 3/8" to 1 1/4" (9.5mm to 32mm) 601 ni cr fe al 1,250oc temperature limit 1" od x 3/4" id (25.40 x 19.05) noble metal diameter type - r 1 0.15mm 0.35mm 0.45mm 0.5mm type - s 1 0.15mm 0.35mm 0.45mm 0.5mm type - b 2 0.15mm 0.35mm 0.45mm 1 conductors conform to bs en60584 - 2:1993 class 1 tolerance 2 conductors conform to bs en60584 - 2:1993 class 2 tolerance
thermocouple assembly DS3014 ? tt electronics plc general note tt electronics reserves the right to make changes in product specifcaton without notce or liability. all informaton is subject to tt electronics own data and is considered accurate at tme of going to print. issue a 07/2018 page 4 tt electronics | roxspur measurement & control 2 downgate drive, shefeld, south yorkshire, s4 8bt, uk |ph: +44 (0) 114 - 244 - 2521 www.telectronics.com | roxspursales@telectronics.com refactory sockets sheathed thermocouples only - available in mild steel and heat resistng steel. refactory protection sheaths temperature limit subject to operatonal environment and thermocouple element type. * not recommended above 1,200oc for noble metal ther- mocouples. 2 3/4" diameter (57.15mm) 1 3/8" diameter (34.92mm) 1 5/16 diameter (1" nominal bore) (33.3mm) 1 1/2" diameter (31.75mm) 1 1/16" diameter (3/4" nominal bore) (26.98mm) 3/4" diameter (19.05mm) 5/8" diameter (15.87mm) 1/2" diameter (12.70mm) aluminous porcelain* temperature limit: 1,400oc socket size 20mm od x 15mm id 3 or 4 17mm od x 13mm id 5 12mm od x 8mm id 6 10mm od x 7mm id 7 8mm od x 5mm id 8 recrystalised alumina temperature limit: 1,800oc socket size 20mm od x 15mm id 3 or 4 17mm od x 13mm id 5 12mm od x 8mm id 6 10mm od x 7mm id 7 8mm od x 5mm id 8 silicon carbide temperature limit: 1,450oc socket size 50mm od x 25mm id 1 31mm od x 15mm id 2 25mm od x 15mm id 2 or 3
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