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Resistance Temperature Detectors (RTD)
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Thermowell Style
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Machined Thermowell and Head RTD Assemblies with .25" O.D. Internal Probes, Large Thread Size
> Configure Product
Configure Product Machined Thermowell and Head RTD Assemblies with .25" O.D. Internal Probes, Large Thread Size
Pipe Thread Mounting Probe
2.5" well length will have a straigth .5" O.D.
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Item #
R495AJ2AEB0AA
Item #
R495AJ2AEB0AA
Sensor Sheath Temperature Range
1000 Degree F maximum
500 Degree F maximum
Construction Code
495
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
Well Material
304 SS
316 SS
Well Length - "U" (in)
2.5
4.0
4.5
6.0
7.5
9.0
10.5
12.0
13.5
Thread Type
1/2-14 NPT (Shank Diameter "Q"= 0.625")
3/4-14 NPT (Shank Diameter "Q"=0.75")
1 NPT (Shank Diameter "Q"=0.875")
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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