Series 7 Protection Tube Assembly Thermocouple and Replacement Thermocouple Elements

Ranges from 1200°F to 2100°F or Ranges from 1210°F to 4100°F

Protection Tube Assembly Type Thermocouples are designed for high temperature applications such as ovens, kilns, or other processes. Metal protection tubes can be used in applications ranging from 1200°F to 2100°F. Ceramic tubes can be used in applications from 1210°F to 4100°F. If ordering with a protection tube, specify A & AA dimensions in 6" increments.

Models & Ordering

Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

Build Your Custom Part. Use our Product Configurator

Videos

Model Chart


    7XXXX-XXX-XXX-X-X-X      7 SERIES PROTECTION TUBE T/C's

      1ST SYMBOL (1ST X) SENSOR
        0     NONE - NO THERMOCOUPLE TUBE ONLY
        J     TYPE J THERMOCOUPLE
        K     TYPE K THERMOCOUPLE
        R     TYPE R THERMOCOUPLE (VENDOR QUOTE ONLY)*
        S     TYPE S THERMOCOUPLE (VENDOR QUOTE ONLY)*

      2ND SYMBOL (2ND X) HARDWARE
        0     NONE
        1     304 STAINLESS STEEL
        2     316 STAINLESS STEEL
        4     INCONEL 601
        5     MULLITE
        6     ALUMINA
        B     CARBON STEEL

      3RD SYMBOL (3RD X) MOUNTING
        0     NONE
        1     FLANGE
        2     1/2 IN NPT HEX FITTING CS
        3     3/4 IN NPT HEX FITTING CS
        4     1   IN NPT HEX FITTING CS
        5     1-1/4 IN NPT HEX FITTING CS
        6     1/2 IN NPT HEX FITTING 316SS
        7     3/4 IN NPT HEX FITTING 316SS
        8     1   IN NPT HEX FITTING 316SS
        9     1-1/4 IN NPT HEX FITTING 316SS
        A     1/2 IN NPT PIPE NIPPLE CS
        B     3/4 IN NPT PIPE NIPPLE CS
        C     1   IN NPT PIPE NIPPLE CS
        E     1/2 IN NPT PIPE NIPPLE 316SS
        F     3/4 IN NPT PIPE NIPPLE 316SS
        G     1   IN NPT PIPE NIPPLE 316SS

      4TH SYMBOL (4TH X) TERMINALS
        0     STRIPPED ENDS
        E     SCREW COVER HEAD AL W/ 3/4 IN NPT ELEC CONNECTION
        G     SCREW COVER HEAD SS W/ 3/4 IN NPT ELEC CONNECTION
        H     SNAP COVER HEAD  AL W/ 3/4 IN NPT ELEC CONNECTION

      5TH SYMBOL (5TH X) ELEMENTS
        0     NONE
        1     SINGLE ELEMENT
        2     DUAL ELEMENT

      6TH SYMBOL (6TH X) BEND
        1     STRAIGHT
        2     45 DEGREES
        3     90 DEGREES

      7TH SYMBOL (7TH X) SENSOR O.D.
        0     NONE
        1     1/4 IN PIPE (METAL HARDWARE TYPE ONLY)
        2     1/2 IN PIPE (METAL HARDWARE TYPE ONLY)
        3     3/4 IN PIPE (METAL HARDWARE TYPE ONLY)
        4     1   IN PIPE (METAL HARDWARE TYPE ONLY)
        A     0.375 IN OD (CERAMIC HARDWARE TYPE ONLY)
        B     0.687 IN OD (CERAMIC HARDWARE TYPE ONLY)
        C     0.750 IN OD (CERAMIC HARDWARE TYPE ONLY)
        D     1.000 IN OD (CERAMIC HARDWARE TYPE ONLY)

      8TH SYMBOL (8TH X) WIRE GAUGE
        0     NONE
        1     8  AWG
        3     14 AWG
        4     20 AWG
        5     24 AWG (SENSOR TYPE R OR S)
        6     26 AWG (SENSOR TYPE R OR S)

      9TH SYMBOL (9TH X) INSULATORS
        0     NA (FOR TUBE AND SENSOR ASSEMBLIES)
        1     NONE
        2     OVAL
        3     ROUND
        4     INSULATED WITHOUT COLLAR (SENSOR TYPE R OR S)
        5     INSULATED WITH COLLAR    (SENSOR TYPE R OR S)

      10TH SYMBOL (10TH X) JUNCTION
        1     STANDARD OR TIG WELD
        2     ISOLATED JUNCTION
        3     TWIST WELD

      11TH SYMBOL (11TH X) A DIMENSION (2 DIGITS)
        ??    HOT LEG LENGTH TO ELBOW OR HEAD IN INCHES

      12TH SYMBOL (12TH X) AA/B DIMENSION (2 DIGITS)
        ??    COLD LEG LENGTH FROM ELBOW TO HEAD IN INCHES

      13TH SYMBOL (13TH X) C DIMENSION
        00    NA (FOR HEAD ASSEMBLIES ONLY)
        15    1.5 INCH

    NOTES:
      * SENSOR TYPE R OR S MUST BE QUOTED PRIOR TO ORDER

Product Literature

Catalog Pages

Drawings

Product Reviews

Only registered users can write reviews. Please Sign in or create an account