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Explosion-Proof rated Heat-Tracing Thermocouple assemblies are made for use in systems that measure the surface temperature of process pipe that is carrying products whose temperatures must be controlled to prevent freeze-up, or to maintain a viscosity level so that the inner medium will flow. They are intended for use in U.S. and Canadian hazardous areas and they are designed to extinguish flames inside the device, eliminating the potential for ignition of flammable mixtures in the surrounding atmosphere. FM and CSA certified assemblies, meet XP Class I Division I & II; Groups A, B, C, D; DIP Class II Division I; Groups E, F, G; Class III; Type 4/4X. These Thermocouples are offered in a variety of temperature ranges and are supplied with a 316SS sheath, and a 3/4" radius stainless steel mounting pad.
Unit of Measure

Specifications

Brands

 N/A Pyromation®

Configuration Code

 N/A XP07

Agency Approval

 N/A Code XP - FM/CSA explosion-proof-certified assembly

Thermocouple Types

 N/A Code E - Single
Code J - Single
Code K - Single
Code T - Single
Code EE - Duplex
Code JJ - Duplex
Code KK - Duplex
Code TT - Duplex

Sheath Materials

 N/A 316 Stainless Steel

Sheath Diameter (316 Stainless Steel)

 N/A Code 48
Diameter - 1/4 in.
Insulation Type - Magnesium Oxide (MgO)

Code 68
Diameter - 3/8 in.
Insulation Type - Magnesium Oxide (MgO)

Code P48
Diameter - 1/4 in.
Insulation Type - Fiberglass

Code P68
Diameter - 3/8 in.
Insulation Type - Fiberglass

Measuring Junctions

 N/A Code U - Ungrounded

Element Connection

 N/A Code M - Special Limits of Error
Sheath Length1 N/A Code 0304
Hot Leg - 3 in.
Cold Leg - 4 in.

Code 0306
Hot Leg - 3 in.
Cold Leg - 6 in.

Code 0308
Hot Leg - 3 in.
Cold Leg - 8 in.

Mounting Pad Material

 N/A 304 Stainless Steel

Mounting Pad Width

 N/A 1 in

Mounting Pad Length

 N/A 2 in

Mounting Pad Thickness

 N/A 18 gauge

Radius of Mounting Pad

 N/A Code 18RD
Radius - 3/4 in.
NPT Pipe Size - 1-1/2 in.

Note for Mounting Pads

 N/A Mounting pad is flexible enough to be formed around pipe sizes from 1 to 12" NPS pipe.

Standard Head Terminations

 N/A Code 74 - DIN form B aluminum explosion-proof head
Code 75T-642B - (4 to 20) mA HART® field transmitter with aluminum explosion-proof housing
Code 76T82-D10 - (4 to 20) mA dual input HART® Field Transmitter with digital display and explosion-proof aluminum housing
Code 77T-662C - (4 to 20) mA HART® Field Transmitter with dual cavity explosion-proof aluminum housing
Code 93 - Aluminum explosion-proof head
Code 94 - 316L stainless steel explosion-proof head

Standard Head Options

 N/A Code I - Stainless Steel Tag
Code SB - 1/2 in NPT Conduit Reducer Bushing
T-441 - 4-20 mA isolated head-mounted transmitter (see instrument section)
T-442 - 4-20 mA HART® isolated headmounted transmitter see instrument section)
T82-00 - (4 to 20) mA dual input HART® head-mounted transmitter

Note

Note

 N/A HART® is a registered trademark of HART® Communication Foundation.
  • 1 Consult factory for other hot leg lengths or cold leg