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Flame-Proof, Spring-Loaded RTDs 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 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 XP05

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

"S" Dimensions

 N/A Insert three digit sheath length ("S" Dimension) in inches

Element Options

 N/A Code FP - Spring-loaded element with flame path

Head Mounting 316 Stainless Steel Fittings

 N/A Code 8HN - 1/2 in. NPT Hex Nipple (1-1/2 in. "E" Length)
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
Code T82-00 - 4 to 20 mA Dual Input, Isolated HART® Head-Mounted Transmitter

Note

Note

 N/A The "S" dimension will measure 1/4" longer than specified when the spring is in the relaxed position. The "S" dimension is calculated when the sensor is compressed or in the installed position. This design allows 1/4" spring compression to ensure positive contact with the bottom of the thermowell.

HART® is a registered trademark of the HART® Communication Foundation.