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Spring-Loaded MgO Thermocouple/Thermowell Assemblies with Explosion-Proof Connection Heads are designed for use with various thermowell types. Complete assemblies can be ordered by selecting the MgO assembly below, the thermowell from the thermowell section of the catalog, and a temperature transmitter from the back of this section. Assemblies without a thermowell can be ordered by selecting the sensor assembly from this page and inserting the "S" length in table 2-0. These sensors are supplied with a 316 stainless steel sheath and as standard limits or error.
Unit of Measure

Specifications

Brands

 N/A Pyromation®

Configuration Code

 N/A GP04

Thermocouple Types

 N/A Code E (Single) Code EE (Duplex) Code J (Single) Code JJ (Duplex) Code JJJ (Triplex) Code K (Single) Code KK (Duplex) Code KKK (Triplex) Code T (Single) Code TT (Duplex)

Sheath Diameter

 N/A Code 38 - 3/16 Code 48 - 1/4

Sheath Materials

 N/A 316 Stainless Steel

Measuring Junctions

 N/A Code G - Grounded Junction Code U - Ungrounded Junction

Element Option

 N/A Code SC - Self-contained spring-loaded element Code SL - Spring-loaded element (Not available with option 35T, 36T, or 37T) Code SN - Self-contained spring-loaded element with Buna-N oil seal 121°C (250°F) 100 PSI Max.

Head Mounting Fittings

 N/A Code 6HN - 1/2" x 1/2" National Pipe Thread (NPT) hex nipple 1" "E" length Code 6PN - 1/2" National Pipe Thread (NPT) pipe nipple (specify "E" length in inches) Code 6PU - 1/2" National Pipe Thread (NPT) union/nipple (specify "E" length in inches) (4" Minimum length required) Code 8HN - 1/2" x 1/2" National Pipe Thread (NPT) hex nipple 1" "E" length Code 8PN - 1/2" National Pipe Thread (NPT) pipe nipple (specify "E" length in inches) Code 8PU - 1/2" National Pipe Thread (NPT) union/nipple (specify "E" length in inches) (4" Minimum length required)

Head Mounting Fitting Material

 N/A Code 6HN - Steel Code 6PN - Steel Code 6PU - Steel Code 8HN - 316 Stainless Steel Code 8PN - 316 Stainless Steel Code 8PU - 316 Stainless Steel

Head Terminations

 N/A Code 74 - Dual conduit DIN form B aluminum explosion-proof/flame-proof head, National Electrical Code (NEC) International Electrotechnical Commission (IEC), Atex approved Code 75T142C - (4 to 20) mA HART® field transmitter with aluminum explosion proof housing, Group A Code 76T82- - (4 to 20) mA dual input HART® Field Transmitter with digital display and explosion-proof aluminum housing, Group A Code 77T-662C - (4 to 20) mA HART® Field Transmitter with dual cavity explosion-proof aluminum housing, Group A Code 93 - Aluminum explosion-proof/flame-proof head, National Electrical Code (NEC), International Electrotechnical Commission (IEC) Atex approved Code 94 - 316L stainless steel explosion-proof/flame-proof head, National Electrical Code (NEC), International Electrotechnical Commission (IEC) Atex approved

Options

Options

 N/A I - Stainless tag SB - 1/2" National Pipe Thread (NPT) conduit reducer bushing T71 - (4 to 20) mA Isolated Head-Mounted Transmitter T72 - (4 to 20) mA Isolated HART® Head-Mounted Transmitter T82-00 - (4 to 20) mA Dual input, isolated HART® head-mounted transmitter