ATEX Approved RTD Pt100 Sensors with Pot Seal from TC Ltd

Our ATEX approved flexible mineral insulated RTD Pt100 sensors utilise, as standard, detector elements with a resistance of 100 ohms @ 0°C and a fundamental interval of 38.5 ohms to IEC 60751. Single and duplex elements are available. Supplied with a pot seal and extension cable to extend the thermocouple signal. An adjustable threaded compression fitting is required to achieve approval.

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 B, A, 1/3, 1/5 and 1/10 grade accuracies

Sheath diameters from 3.0mm to 8.0mm
PVC or PFA insulated extension cables are available or 100mm tails
Wide operating temperature range of -100°C to +600°C
UKAS calibration available.

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 ia IIC Ga / IIIC Da	Intrinsically Safe (Gas/Dust)	0/20
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 ia 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
• 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 ia Intrinsically Safe – Category 1, Zones 0,1,2 (Gas) & 20,21,22 (Dust)
• Ex ia IIC T6...T1 Ga Ta = –40°C to 60°C
• Ex ia IIIC T80°C...T440°C Da
• 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. Extension Leads

Illustration	Select
PVC (rated to 105ºC) End Seal rated to 120ºC
PFA (rated to 250ºC) End Seal rated to 230ºC
Please enter Cable length in metres mtrs

8. Compression Fitting

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

Send Enquiry

Wiring Diagram Sheath Materials

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

with Pot Seal

Enquiry Form