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Flame-Proof RTD Assemblies with Thermowells are made for use in IEC hazardous areas. They are designed to extinguish flames inside the device, eliminating the potential for ignition of flammable mixtures in the surrounding atmosphere. ATEX and IECEx certified assemblies are rated for Ex db IIC Gb and Ex tb IIIC Db locations for applications with process temperatures of 180 ºC or less. The required thermowell is available in standard, heavy-duty, and flanged constructions. The assemblies feature 316 stainless steel sheaths. They are available with aluminum or stainless steel explosion-proof connection heads.
Unit of Measure

Specifications

Brands

 N/A Pyromation®

Configuration Code

 N/A XP03

Agency Approval

 N/A Code HL06 - ATEX/IECEx Flame-Proof Certified Assembly

100 Ohms Platinum Resistance Temperature Detector (RTD) Elements (α = 0.003 85 ºC-1)

 N/A Code R1T185L - Single
Tolerance - Grade B
Temperature Range: -200 to 200 ºC

Code R5T185L - Single
Tolerance - (1/5) Class B
Temperature Range: -30 to 150 ºC

Code RBF185L - Single
Tolerance - Class B
Temperature Range: -50 to 200 ºC

Code RAF185L - Single
Tolerance - Class A
Temperature Range: -30 to 200 ºC

Code R1T185H - Single
Tolerance - Grade B
Temperature Range: -200 to 600 ºC

Code RAT185H - Single
Tolerance - Class A
Temperature Range: -100 to 450 ºC

Code R1T285L - Duplex
Tolerance - Grade B
Temperature Range: -200 to 200 ºC

Code R5T285L - Duplex
Tolerance - (1/5) Class B
Temperature Range: -30 to 150 ºC

Code RBF285L - Duplex
Tolerance - Class B
Temperature Range: -50 to 200 ºC

Code RAF285L - Duplex
Tolerance - Class A
Temperature Range: -30 to 200 ºC

Code R1T285H - Duplex
Tolerance - Grade B
Temperature Range: -200 to 600 ºC

Code RAT285H - Duplex
Tolerance - Class A
Temperature Range: -100 to 450 ºC

Sheath Diameter (316 Stainless Steel)

 N/A Code 48 - 1/4 in.

Element Connection

 N/A Code 2 - 2-Wire Element
Code 3 - 3-Wire Element
Code 4 - 4-Wire Element

Thermowell Selection

 N/A Select Thermowell from Thermowell Section.

Element Options

 N/A Code FP - Spring-Loaded Element with Flame Path (Only available with 8HN and 8XU Head Mounting Fittings)
Code FE - Fixed Element

Head Mounting Steel Fittings

 N/A Code 6HN - 1/2 in. x 1/2 in. NPT Hex Nipple
Code 6PN - 1/2 in. NPT Pipe Nipple (Specify "E" Length in inches)
Code 6XU_(3-1/2" Minimum Length required. Maximum "E" Length is 9") - 1/2 in. NPT Union/Nipple (Specify "E" Length in inches)

Head Mounting 316 Stainless Steel Fittings

 N/A Code 8HN - 1/2 in. x 1/2 in. NPT Hex Nipple
Code 8PN - 1/2 in. NPT Pipe Nipple (Specify "E" Length in inches)
Code 8XU_(3-1/2" Minimum Length required. Maximum "E" Length is 9") - 1/2 in. NPT Union/Nipple (Specify "E" Length in inches)

Head Terminations

 N/A Code 75T142E - 4 to 20 mA HART® Field Transmitter with Aluminum Flame-Proof Housing
Code 77T-662E - 4 to 20 mA HART® Field Transmitter with Dual Cavity Aluminum Flame-Proof Housing
Code 93 - Aluminum Flame-Proof Head
Code 94 - 316L Stainless Steel Flame-Proof Head

Options

 N/A Code SB - 1/2 in NPT Conduit Reducer Bushing, Aluminum
Code I - Stainless Steel Tag
Code M2 - M20x1.5 Conduit Reducer Bushing, Nickel Plated Brass
Code M5 - M25x1.5 Conduit Reducer Bushing, Nickel Plated Brass
Code T71 - 4 to 20 mA Isolated Head-Mounted Transmitter
Code T72 - 4 to 20 mA HART® Isolated Head-Mounted Transmitter

Note

Note

 N/A HART® is a registered trademark of HART® Communication Foundation.