Temperature Instrumentation for Research and Industry

Products

Sensors - Industrial Thermocouples - Double Tube Platinum Thermocouple Assemblies

NOTE: In the Chart below, C refers to Table C (Thermocouple Type), and L refers to the Length in Inches. Refer to Table A and Table B for Insulator and Protecting Tube materials. If you have any questions, Please contact the factory.


Part Number Double Tube Assembly Type Replacement Components
D177C-C-L double tube assembly 1 TC Element: 97-187-3-C-L-X

Protecting Tube #1: 97-687-3-L
Protecting Tube #2: SIC-L-X

Terminal:
Open Head: MT1-01-C
D277C-C-L double tube assembly 2 TC Element: 97-187-5-C-L-X

Protecting Tube #1: 97-687-2-L
Protecting Tube #2: SIC-L-X

Terminal
    Weatherproof (standard):
  • Cast Iron (standard): WC-7/8
  • Aluminum (optional): WA-7/8
  • (add suffix "WA", e.g. D277C-R-18-WA)
    General Purpose:
  • Aluminum (optional): GP-7/8
  • (add suffix "GP", e.g. D277C-R-18-GP)
Terminal Blocks
Code Single Dual
WC or WA TB-A TB-D
GP TB-1 N/A
D3777-C-L double tube assembly 3 TC Element: 97-187-3-C-L-X

Protecting Tube #1: 97-375-0-L
Protecting Tube #2: 97-687-3-L

Terminal:
Open Head: MT1-01-C
D4777-C-L double tube assembly 4 TC Element: 97-187-5-C-L-X

Protecting Tube #1: 97-375-0-L
Protecting Tube #2: 97-687-3-L-X

Terminal
    Weatherproof (standard):
  • Cast Iron (standard): WC-7/8
  • Aluminum (optional): WA-7/8
  • (add suffix "WA", e.g. D4777-R-18-WA)
    General Purpose:
  • Aluminum (optional): GP-7/8
  • (add suffix "GP", e.g. D4777-R-18-GP)
Terminal Blocks
Code Single Dual
WC or WA TB-A TB-D
GP TB-1 N/A
D5777-C-L double tube assembly 5 TC Element: 97-187-5-C-L-X

Protecting Tube #1: 97-375-0-L
Protecting Tube #2: 97-687-3-L-X

Terminal
    Weatherproof (standard):
  • Cast Iron (standard): WC-2
  • Aluminum (optional): WA-2
  • (add suffix "WA", e.g. D5777-R-18-WA)
    General Purpose:
  • Aluminum (optional): GP-2
  • (add suffix "GP", e.g. D5777-R-18-GP)
Terminal Blocks
Code Single Dual
WC or WA TB-A TB-D
GP TB-1 N/A
D6777-C-L double tube assembly 6 TC Element: 97-187-5-C-L-X

Protecting Tube #1: 97-375-0-L
Protecting Tube #2: 97-687-7(6")-L-X

Terminal
    Weatherproof (standard):
  • Cast Iron (standard): WC-3
  • Aluminum (optional): WA-3
  • (add suffix "WA", e.g. D6777-R-18-WA)
    General Purpose:
  • Aluminum (optional): GP-3
  • (add suffix "GP", e.g. D6777-R-18-GP)
Terminal Blocks
Code Single Dual
WC or WA TB-A TB-D
GP TB-1 N/A
D777A-C-L double tube assembly 7 TC Element: 97-187-5-C-L-OAL-X

Protecting Tube #1: 97-375-0-L
Protecting Tube #2: SA-750-L-X

Terminal
    Weatherproof (standard):
  • Cast Iron (standard): WC-2
  • Aluminum (optional): WA-2
  • (add suffix "WA", e.g. D777A-R-18-24-WA)
    General Purpose:
  • Aluminum (optional): GP-2
  • (add suffix "GP", e.g. D777A-R-18-24-GP)
Terminal Blocks
Code Single Dual
WC or WA TB-A TB-D
GP TB-1 N/A
D877C-C-L double tube assembly 8 TC Element: 97-187-5-C-L-X

Protecting Tube #1: 97-687-2-L
Protecting Tube #2: SIC-L-O

Terminal
    Weatherproof (standard):
  • Cast Iron (standard): WC-2
  • Aluminum (optional): WA-2
  • (add suffix "WA", e.g. D877C-R-18-WA)
    General Purpose:
  • Aluminum (optional): GP-2
  • (add suffix "GP", e.g. D877C-R-18-24-GP)
Terminal Blocks
Code Single Dual
WC or WA TB-A TB-D
GP TB-1 N/A
D9776-C-L double tube assembly 9 TC Element: 97-187-3-C-L-X

Protecting Tube #1: 97-687-3-L
(with WA or WC option use 60-687-8(1")-)
Protecting Tube #2: 60-1250-4-L

Terminal
    Open Head (standard):
  • MT1-41-C
    Weatherproof (standard):
  • Cast Iron (standard): WC-4
  • Aluminum (optional): WA-4
  • (add suffix "WA", e.g. D9776-R-18-WA)
    General Purpose:
  • Aluminum (optional): GP-4
  • (add suffix "GP", e.g. D9776-R-18-24-GP)
Terminal Blocks
Code Single Dual
WC or WA TB-A TB-D
GP TB-1 N/A
DA77L-C-L double tube assembly 10 TC Element: 97-187-3-C-L-X

Protecting Tube #1: 97-375-0-L
Protecting Tube #2: LT-1-L

Terminal:
Open Head: MT1-03-C
DB77L-C-L double tube assembly 11 TC Element: 97-187-5-C-L-X

Protecting Tube #1: 97-375-0-L
Protecting Tube #2: LT-1-L

Terminal
    Weatherproof (standard):
  • Cast Iron (standard): WC-3
  • Aluminum (optional): WA-3
  • (add suffix "WA", e.g. DB77L-R-18-WA)
    General Purpose:
  • Aluminum (optional): GP-3
  • (add suffix "GP", e.g. DB77L-R-18-24-GP)
Terminal Blocks
Code Single Dual
WC or WA TB-A TB-D
GP TB-1 N/A
DC77A-C-L double tube assembly 12 TC Element: 97-187-5-C-L-OAL-X

Protecting Tube #1: 97-375-0-L
Protecting Tube #2: SA-750-L-X

Terminal
    Weatherproof (standard):
  • Cast Iron (standard): WC-3
  • Aluminum (optional): WA-3
  • (add suffix "WA", e.g. DC77A-R-18-24-WA)
    General Purpose:
  • Aluminum (optional): GP-3
  • (add suffix "GP", e.g. DC77A-R-18-24-GP)
Terminal Blocks
Code Single Dual
WC or WA TB-A TB-D
GP TB-1 N/A
DD766-C-L double tube assembly 13 TC Element: 97-187-5-C-L-X

Protecting Tube #1: 60-687-2-L
Protecting Tube #2: 60-2000-0-L

Terminal
    Weatherproof (standard):
  • Cast Iron (standard): WC-2
  • Aluminum (optional): WA-2
  • (add suffix "WA", e.g. DD766-R-18-WA)
    General Purpose:
  • Aluminum (optional): GP-2
  • (add suffix "GP", e.g. DD766-R-18-24-GP)
Terminal Blocks
Code Single Dual
WC or WA TB-A TB-D
GP TB-1 N/A
DE76I-C-L
(1/2" Inconel Pipe)


DF76I-C-L
(1" Inconel Pipe)		 double tube assembly 14 TC Element: 97-187-5-C-L-X

Protecting Tube:
(DE Type Assembly)
#1: 60-375-0-L
#2: 12-600-L

(DF Type Assembly)
#1: 60-687-0-L
#2: 44-600-L

Terminal

Weatherproof for Ass'y
Type DE DF
Cast Iron
(standard)		 WC-2 WC-4
Aluminum
(optional)		 WA-2 WA-4
General Purpose
Type DE DF
Aluminum
(optional)		 GP-2 GP-4

Terminal Blocks
Code Single Dual
WC or WA TB-A TB-D
GP TB-1 N/A

For more information regarding Platinum Thermocouple Assemblies Please consult your Marlin Catalog.