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Pipe Thread Mounting
The Sheath Length is measured from the back of the well to the bottom of the inside (also called "A" length), when the assembly is threaded into the well it will then be spring loaded.
Stainless Steel NUN´s are a three piece cast part that eliminates 2 of the threads as pictured above.
The Galvanized and black pipe NUN´s have 4 pipe threads that need to be sealed.

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Item #
Item #
Sensor Sheath Temperature Range
1000 Degree F maximum 500 Degree F maximum
Construction Code
Element Type & Number
Single Element Dual Element
Element Type Single
  • 100 Ohms at 0 Deg. C, .00385 TCR
  • 100 Ohms at 0 Deg. C, .003916 TCR
  • 1000 Ohms at 0 Deg. C, .00385 TCR
  • 1000 Ohms at 0 Deg. C, .00375 TCR
Element Accuracy & Wires per Element
  • +/- .03% - 2 - Wires
  • +/- .03% - 3 - Wires
  • +/- .03% - 4 - Wires
  • +/- .06% - 2 - Wires
  • +/- .06% - 3 - Wires
  • +/- .06% - 4 - Wires
  • +/- .12% - 2 - Wires
  • +/- .12% - 3 - Wires
  • +/- .12% - 4 - Wires
  • +/- .24% - 2 - Wires
  • +/- .24% - 3 - Wires
  • +/- .24% - 4 - Wires
  • +/- .50% - 2 - Wires
  • +/- .50% - 3 - Wires
  • +/- .50% - 4 - Wires
Sheath Tip Style
Standard Drill Point Copper (500 Deg. F only)
Sheath Diameter (in)
.187 .250 .375
Sheath Material
304 SS 316 SS INCONEL 600
Sheath Length (00 to 99 in)

Available Range: -Infinity to Infinity
Sheath Length Fractions (in)
  • 0
  • 1/8
  • 1/4
  • 3/8
  • 1/2
  • 5/8
  • 3/4
  • 7/8
  • 1/16
  • 3/16
  • 5/16
  • 7/16
  • 9/16
  • 11/16
  • 13/16
  • 15/16
Pipe Thread Size
1/2-14 NPT 3/4-14 NPT
Nipple Union Material
316 Stainless Steel (3", 4", 5" and 6" are 1 pc design) Black Pipe Galvinized
Nipple Union Length (00 to 99 in)

Available Range: -Infinity to Infinity
Leadwire Insulation
TFE Teflon (500 Deg. F maximum) Fiberglass (1000 Deg. F maximum)
Connection Head
Flip Top Style with Terminal Blocks included Screw Cover Style with Terminal Blocks included
Screw Cover Style with Terminal Blocks included
  • Standard Cast Aluminum - NEMA 4 (A=3.3", B=3.3", C=1/2 or 3/4 NPT, 600 Deg. F maximum)
  • Standard Cast Iron - Painted (A=3.4", B=3.5", C=1/2 or 3/4 NPT, 500 Deg. F maximum)
  • Standard Cast Aluminum - Painted (A=3.2", B=3.1", C=1/2 or 3/4 NPT, 800 Deg. F maximum)
  • Miniature Cast Aluminum (A=2.5", B=2.3", C=1/2 NPT, 500 Deg. F maximum)
  • Explosion Proof - Aluminum (A=3.8", B=3.6", C=1/2 or 3/4 NPT, 400 Deg. F maximum)
  • 316 S.S. - Medium NEMA 4X (A=2.9", B=2.7", C=1/2 or 3/4 NPT, 600 Deg. F maximum)
  • Delrin - Gray (A=2.9", B=2.9", C=1/2 or 3/4 NPT, 275 Deg. F maximum)
  • Polypropylene - White FDA Aproved (A=2.9", B=2.9", C=1/2 or 3/4 NPT, 275 Deg. F maximum)
  • Miniature Plastic (A=1.4", B=2.1", C=1/4 NPT, 350 Deg. F maximum)
  • 316 S.S. - Standard NEMA 4X (A=3.3", B=3.6", C=1/2 or 3/4 NPT, 600 Deg. F maximum)
  • 316 S.S. - Standard Size NEMA 4X Explosion Proof (A=3.3", B=3.6", C=1/2 or 3/4 NPT, 600 Deg. F maximum)
  • Painted Aluminum - NEMA 4X Explosion Proff (A=3.3", B=3.6", C=1/2 or 3/4 NPT, 600 Deg. F maximum)
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