TC59-E

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WIKA · Temperature measurement · Family TC59

Tubeskin thermocouple assembly, extractable

Name: Tubeskin thermocouple assembly, extractable
Brand: WIKA

Tubeskin thermocouple assembly, extractable with proprietary thermal shield design for one-step installation on tubes, suitable for high-temperature applications in chemical, refinery, and furnace industries.

Range

-40…1260 °C

Output

HART · 4-20 mA

Protection

IP65

CEIECExFMCSAII 2G Ex db IIB + H2 T6...T4 GbEx db IIB + H2 T6...T4 GbEx tb IIIC T85℃ Db IP66Class III, type 4/4XEx d IIC Gb T6/T5/T4Ex d IIB + H2 Gb T6/T5/T4

Price

On request

Depends on configuration

Request a quote

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Description

The eTEFRACTO-PAD ® model TC59-E is a product developed at the WIKA Houston R&D center. Taking into account the knowledge of customer applications, needs and requirements, extensive testing was done to ensure the product addresses proven accuracy and ease of installation.

This unique thermocouple design allows for the weldable parts (guide channel, thermal shield, and tube clips) to be installed by the manufacturer of the heater / boiler or even by the tube manufacturer in the case of specialty furnace tubes. A proprietary moldable shield is placed over the guide channel and sheathed cable. This shield and insulation is a key component for the eTEFRACTO-PAD ® , providing accurate temperature measurement and is a patent-pending WIKA innovation in several countries (patent pending, property right: US 17/554,754, EP 21215402.5 and CN 202111548816.4).

Special features

Removable thermocouple design
Proprietary thermal shield design, integrated one-step installation
Ranges of use from 0 ... 1,260 °C [32 ... 2,300 °F]
Flexible sheathed cable, mineral-insulated internal leads
High mechanical strength, shock-resistant

Identification

Model	TC59-E
Product family	TC59
Subcategory	Extractable tubeskin thermocouple

Measuring range

Temperature ranges

−40…+1200 °C · +0…+1260 °C · −40…+750 °C · −40…+1000 °C · +0…+760 °C

Process conditions

Process connection	Strong welded connection on three sides of the heat shieldeTEFRACTO-PAD ®Guide channel for easy sensor installation/removal
Process temperature	+0…+1260 °C

Electrical characteristics

Output signal	HART · 4-20 mA
Electrical connection	Cable connection, plug-in connectors, connector sockets

Materials

Probe material

Stainless steel 310, Haynes HR 160, Pyrosil D, Stainless steel 316, Stainless steel 446, Alloy X, Alloy 600, Inconel 600

Operating environment

Ambient temperature	−40…+400 °C
IP rating	IP65

Certifications and approvals

Certifications

CEIECExFMCSA

Explosion protection

Class I, division 2, groups B, C, D, type 4/4XII 2G Ex db IIB + H2 T6...T4 Gb II 2G Ex db IIC T6...T4 Gb II 2D Ex tb IIIC T85°C Db IP66Ex db IIB + H2 T6...T4 Gb Ex db IIC T6...T4 Gb Ex tb IIIC T85°C Db IP66Class I, division 1, groups B, C, D, T6, type 4/4X Class II or III, division 1, groups E, F, G T6, type 4/4X Class I, division 2, groups A, B, C, D, T6 type 4/4XClass I, division 1, groups B, C, D, type 4/4X Class II, groups E, F, G, type 4/4X Class III, type 4/4XEx d IIC Gb T6/T5/T4 Ex d IIB + H2 Gb T6/T5/T4Class I, zone 1, AEx d IIC Gb T6/T5/T4 Class I, zone 1, AEx d IIB + H2 Gb T6/T5/T4IECEx Ex d Zone 1 gas Ex db IIB + H2 T6...T4 GbFM Ex d (XP) Division 1 gas Class I, division 1, groups B, C, D, T6, type 4/4XII 2G Ex db IIB + H2 T6...T4 GbEx db IIB + H2 T6...T4 GbEx tb IIIC T85℃ Db IP66Class I, division 1, groups B, C, D, T6, type 4/4XClass II or III, division 1, groups E, F, G T6, type 4/4XClass I, division 1, groups B, C, D, type 4/4XClass II, groups E, F, G, type 4/4XClass III, type 4/4XEx d IIC Gb T6/T5/T4Ex d IIB + H2 Gb T6/T5/T4Class I, zone 1, AEx d IIC Gb T6/T5/T4Class I, zone 1, AEx d IIB + H2 Gb T6/T5/T4

Additional details

Sensor type	Type K, Type J, Type N
Sensor class	Class 1, Class 2, Standard, Special
Probe diameter	6 mm
Thermowell	No
Datasheet languages	EN

Tables from datasheet

Measuring element
Marking of the polarity	The colour coding at the positive poles of the instrument decides the correlation of polarity and terminal
Ceramic terminal block	Single thermocouple
	Dual thermocouple
Crastin terminal block	Single thermocouple	+ +
	Dual thermocouple + -	+ - - +
Cable connection	Single thermocouple
	Dual thermocouple
Validity limits of the class accuracy per EN 60584-1
Type K	Class 2 Class 1	-40 ... +1,200 °C [-40 ... +2,192 °F] -40 ... +1,000 °C [-40 ... +1,832 °F]
Type J	Class 2 Class 1	-40 ...+750 °C [-40 ... +1,382 °F] -40 ...+750 °C [-40 ... +1,382 °F]
Type N	Class 2	-40 ... +1,200 °C [-40 ... +2,192 °F]
limits of the class accuracy per ASTM-E230 Type K	Standard	0 ... 1,260 °C [32 ... 2,300 °F]
Validity Type J	Special Standard Special	0 ... 1,260 °C [32 ... 2,300 °F] 0 ... 760 °C [32 ... 1,400 °F] 0 ... 760 °C [32 ... 1,400 °F]
Type N	Standard Special	0 ... 1,260 °C [32 ... 2,300 °F]
		0 ... 1,260 °C [32 ... 2,300 °F]

IEC 60584-3 Thermocouple	Positive leg	Negative leg
K	Green	White
J	Black	White
N	Pink	White

ASTM E230 Thermocouple	Positive leg	Negative leg
K	Yellow	Red
J	White	Red
N	Orange	Red

Model		Material	Cable entry thread size	Ingress protection (max.) 1) IEC/EN 60529	Cap	Surface	Connection to neck tube
1/4000	1/4000	Aluminium	■ ½NPT ■ ¾NPT ■ M20 x 1.5	IP66 2)	Screw-on lid	Blue, painted (RAL 5022)	½NPT
5/6000 1/4000	7/8000 Stainless steel	7/8000 DIH50 andere ■ ½NPT ■ ¾NPT ■ M20 x 1.5	KN4-P Anschlussgehäuse IP66 2)	BVC Screw-on lid	Natural finish	½NPT
5/6000	5/6000	Aluminium	■ 3x½NPT ■ 3x¾NPT ■ 3 x M20 x 1.5	IP66 2)	Screw-on lid	Blue, painted (RAL 5022)	½NPT
7/8000 5/6000	7/8000 DIH50 Stainless steel	andere Anschlussgehäuse ■ 3x½NPT ■ 3x¾NPT ■ 3 x M20 x 1.5	KN4-P BVC IP66 2)	Screw-on lid	Natural finish	½NPT
7/8000	7/8000	Aluminium	■ ½NPT ■ ¾NPT ■ M20 x 1.5	IP66 2)	Screw-on lid	Blue, painted (RAL 5022)	½NPT
7/8000 DIH50 7/8000	andere Anschlussgehäuse Stainless steel	KN4-P ■ ½NPT ■ ¾NPT ■ M20 x 1.5	BVC IP66 2)	Screw-on lid	Natural finish	½NPT
	PIH-L	Aluminium	■ ½NPT/ closed ■ M20 x 1.5 / closed ■ 2x½NPT ■ 2 x M20 x 1.5	IP66 2)	Screw-on lid, flat	Blue lid, painted Grey lower body, painted	■ ½NPT ■ M20 x 1.5
	PIH-H	Aluminium	■ ½NPT/ closed ■ M20 x 1.5 / closed ■ 2x½NPT ■ 2 x M20 x 1.5	IP66 2)	Screw-on lid, high	Blue lid, painted Grey lower body, painted	■ ½NPT ■ M20 x 1.5

View all (13)

Possible mounting positions for transmitters	Model T16	Model T32	Model T38
1/4000	○	○	○
5/6000	○	○	○
7/8000	○	○	○
PIH-L / PIH-H	○	○	○

Process connection

Design

eTEFRACTO-PAD ®

■ Strong welded connection on three sides of the heat shield ■ This in combination with the moldable insulation offers accuracy and reliability in demanding applications ■ Designed for high heat flux and/or difficult applications, including flame impingement applications ■ A guide channel allows for easy sensor installation / removal. ■ Special features of the guide channel ensure intimate sensor contact with the tube being measured.

Material (weldable)

Stainless steel 310

Sheathed cable (MIMS cable)

Design	■ Fixed connection (compression fitting) to the furnace ■ Sliding connection (piston/spring) to the furnace
Bending radius	Five times the sheath diameter
Cable length	Fixed connection	150 mm[6 in]
Other lengths on request
Sliding connection	User specifications
Sheath diameter	■ 6.0 mm[0.24 in] ■ 6.4 mm[0.25 in] ■ 7.9 mm[0.31 in] ■ 9.5 mm[0.37 in]
→ Other diameters on request
Compression fitting	Fixed connection	The sealing from the process is performed by the compression fitting. It can be supplied in most common thread sizes.
Sliding connection	-
Compensating cable	Fixed connection	PTFE-insulated (standard)
Sliding connection	User specifications
Wire ends	Terminal block	-
Cable connection	User specifications
Sheath material	Resistance in sulphurous ambient	Resistance in maximum temperature
Stainless steel 310	Medium	1,150 °C [2,102 °F]
Stainless steel 446 1)	High	1,150 °C [2,102 °F]
Alloy X	Medium	1,150 °C [2,102 °F]
Alloy 600	Low	1,150 °C [2,102 °F]
Haynes HR 160 ®	Very high	1,200 °C [2,192 °F]
Pyrosil D ®	High	1,250 °C [2,282 °F]
Stainless steel 316	Medium	850 °C [1,562 °F]
	→ Other materials on request

Operating conditions

Ambient and storage temperature
PVC	105 °C [221 °F]
PTFE	250 °C [482 °F]
Fibreglass	400 °C [752 °F]
Vibration resistance	50 g (probe tip)

First index number	Degree of protection / Short description	Test parameters
Degrees of protection against solid foreign bodies (defined by the 1st index number)
5	Dust-protected	Per IEC/EN 60529
6	Dust-tight	Per IEC/EN 60529
Degrees of protection against water (defined by the 2nd index number)
4	Protected against splash water	Per IEC/EN 60529
5	Protected against water jets	Per IEC/EN 60529
6	Protected against strong water jets	Per IEC/EN 60529

Logo	Description	Region
	EU declaration of conformity	European Union

Logo	Description	Region
	EU declaration of conformity	European Union
	IECEx Hazardous areas Ex d Zone 1 gas Ex db IIB + H2T6...T4 Gb	International
	FM Hazardous areas Ex d (XP) Division 1 gas Class I, division 1, groups B, C, D, T6, type 4/4X	USA and Canada
	CSA	USA and Canada

Patent number	Description
US 17/554,754 EP 21215402.5 CN 202111548816.4	Thermocouple sensor assembly (patent pending)

Model	Description	Order number
Tube	Material: Stainless steel 310
MI cable ∅6.0 ... 6.4 mm[0.24 ... 0.25 in]	55984097
MI cable ∅7.9 ... 9.5 mm[0.31 ... 0.37 in]	55984101