IECEx Approved RTD Pt100 Sensors with Alloy Head and Process Connection from TC Ltd

Available in simplex and duplex, these IECEx approved flexible mineral insulated RTD Pt100 sensors utilise detector elements of 100 ohms @ 0°C and a fundamental interval of 38.5 ohms to IEC 60751, as standard.

The following grade accuracies are available: B, A, 1/3, 1/5 and 1/10
Available in a wide range of protection concepts for Zones 0, 1 & 2 use. See table below for details
Temperature classification T6-T1, see here for stand-off requirements

Available in sheath diameters 4.5mm, 6.0mm & 8.0mm
These sensors can be UKAS calibrated
Supplied with a 316 seamless stainless steel sheath, however other grades and materials are available
Suitable for use in the wide temperature range of -100°C to +600°C

Available with the following approvals:

Protection Type	Description	Zone
Ex nA IIC Gc	Non-Sparking (Gas)	2
Ex d IIC Gb	Flameproof (Gas)	1
Ex ib IIC Gb / IIIC Db	Intrinsically Safe (Gas/Dust)	1/21
Ex tb IIIC Db	Enclosure (Dust)	21
Ex tc IIIC Dc	Enclosure (Dust)	22

Enquiry Form

1. No. of Elements

2. Protection Concept

Concept Type	Select
Ex d Flameproof/Explosion Proof
Ex ib Intrinsically Safe
Ex nA Non-Sparking
Ex tb Enclosure
Ex tc Enclosure

Your chosen concept is:

Ex d Flameproof/Explosion Proof – Category 2, Zones 1,2 (Gas)
• Ex d IIC T6...T1 Gb Ta = –40°C to 60°C
• Ex ib IIIC T80°C…T440°C Db
• Standard EN IEC 60079-1 refers
• Designed to contain an explosion and quench the flame
• Sensors incorporate a suitable heavy duty enclosure or threaded fitting with tight seals

Your chosen concept is:

Ex e Increased Safety – Category 2, Zones 1,2 (Gas)
• Ex e IIC T6...T1 Gb Ta = –40°C to 60°C
• Standard EN IEC 60079-7 refers
• Design ensures no arcs, sparks or hot surfaces that could ignite an explosive mixture with a minimum IP54 enclosure rating
• Sensors incorporate a suitable heavy duty enclosure or threaded fitting with tight seals

Your chosen concept is:

Ex ib Intrinsically Safe – Category 2, Zones 1,2 (Gas) & 21,22 (Dust)
• Ex ib IIC T6...T1 Gb Ta = –40°C to 60°C
• Ex ib IIIC T80°C…T440°C Db
• Standard EN IEC 60079-11 refers
• Designed to limit the energy of arcs or sparks that could potentially ignite an explosive mixture
• Sensors used in this area must be wired through a suitably approved barrier
• Optional approved 4 to 20mA transmitters available

Your chosen concept is:

Ex nA Non-Sparking – Category 3, Zone 2 (Gas)
• Ex nA IIC Gc T6…T2
• Standard EN IEC 60079-15 refers
• No arcs, sparks or hot surfaces

Your chosen concept is:

Ex tb Enclosure – Category 2, Zones 21, 22 (Dust)
• Ex tb IIIC T80°C…T440°C Db
• Standard EN IEC 60079-31 refers
• Protects against combustible and conductive dusts, rugged tight enclosures are used

Your chosen concept is:

Ex tc Non-Sparking – Category 3, Zone 22 (Dust)
• Ex tc IIIC T85°C...T450°C Dc
• Standard EN IEC 61241 refers
• Protects against combustible dusts
• Sensors incorporate a suitable heavy duty enclosure with IP6X seal

3. Number of Wires

4. Sheath Diameter

5. Sheath Length

mm*

6. Tolerance of Element

Grade	Accuracy @ 0ºC	Accuracy @ 100ºC	Select
B	+/- 0.30ºC	+/- 0.80ºC
A	+/- 0.15ºC	+/- 0.35ºC
1/3	+/- 0.08ºC	+/- 0.19ºC
1/5	+/- 0.05ºC	+/- 0.15ºC
1/10	+/- 0.03ºC	+/- 0.12ºC

7. Process Connection Thread

8. Optional 4 to 20mA Transmitter

9. Quantity Required

Qty Required

Contact Details

Company Name

Your Name

Email

Telephone

Additional Information

If your enquiry is for more than one style of sensor, please email us with your requirements or use the box below

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IECEx Approved RTD Pt100 Sensors for the Petrochemical, Oil and Gas Industries

with Die Cast Alloy Head and Fixed Process Thread

Enquiry Form

Wiring Diagram Sheath Materials