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Replacement RTD Probes for Connection Head Assemblies
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Click for larger image. |
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Replacement Probes Used with Connection Heads or Enclosures
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Pt100 Class A Wire Wound Sensing Element
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Includes Two 1/2 NPT Mounting Threads
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Available in Fixed Length and Spring Loaded Designs
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Fixed Length Probes Available in 1/8, 3/16 and 1/4" Diameters Standard
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Spring Loaded Probes Available in 1/4" Diameter Standard, 1/8" and 3/16" Also Available
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-200 to 500°C (-328 to 932°F) Temperature Range
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260°C (500°F) Max at Wire Connection End
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Connection Heads and Thermowells Also Available.
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View related products - RTD (PT100) Probes, Elements and Assemblies
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Replacement RTD probes are available in two configurations, fixed length
for direct immersion or spring loaded for use in thermowells (allows for good
contact with the bottom of the thermowell). Each probe features #26 AWG
stranded nickel plated copper, PFA insulated wires (2 black, 1 red) 6" long standard.
These probe assemblies can be used as replacement sensors for our PR-12, -14 and -18 RTD
sensor assemblies, used as is, or combined with our optional thermowells and connection heads
to design your own sensor configuration.
Fixed Length Probes:
When ordering fixed length replacement probes, the length of the probe is specified from the tip of the probe to the full engagement point of the 1/2NPT thread
(which is typically 1/2" as shown). Note: If being used in a thermowell, typically spring loaded probes are recommended. Otherwise, the thread engagement
must be taken into account to insure that the sensor is not damaged by contacting the bottom of the thermowell bore during installation.
Fixed Length Probes
Spring Loaded Probes:
When ordering spring loaded replacement probes, the length of the probe should be specified as the immersion length of the thermowell it will be placed into.
The immersion length is the distance from the top of the thermowell to the bottom of the bore.
Spring Loaded probes are used to insure that the probe bottoms in the thermowell, and that a small amount of force is present to insure that this contact is
maintained when exposed to process conditions. The actual probe length of the sensor before insertion is a little longer than the immersion length as shown
below to allow for a 1/4" spring compression when the sensor is threaded into the thermowell.
Spring Loaded Probes
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† All dollar amounts on this site are shown in US currency.
Note: For 2-wire construction, change “-2” in model number to “-1”, for 4-wire construction, change to “-3” (color code is red/black, black/black/red or black/black/red/red) and add $5 to the price. For special probe lengths, change sheath length in model number to required sheath length in inches, add $1 per inch to the price above 24". For lead wires other than 6" long, add lead wire length in inches at the end of the model number and add $2.25 per foot to the price. For fiberglass insulated lead wires, add “-GG” to the model number and $6 to the price.
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Part Number Builder |
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Option Descriptions
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(1)
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Probe Diameter
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Select 1/8 for 1/8 in 3/16 for 3/16 in 1/4 for 1/4 in
(2)
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Sheath Length
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Select 6 for 6 in 9 for 9 in 12 for 12 in 18 for 18 in 24 for 24 in
(3)
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Spring Loaded
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Select Nothing(leave field blank) for None -SL for Spring Loaded
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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Related Links -
Related Products
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Related Products |
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PR-25CU Series: |
Fast Response RTD Sensor With Copper Tip and Circular Connector, Vibration Tested |
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PR-26 Series: |
Vibration Resistant and Bendable RTD (Pt100) Probes with M12 Connector and Mounting Threads (Fractional Sizes) |
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PR-26 Metric Series: |
Vibration Resistant and Bendable RTD (Pt100) Probes with M12 Connector and Mounting Threads (Metric Sizes) |
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PR-12: |
RTD Probe with Cast Iron Protection Head
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PR-14: |
RTD Probe with Miniature Aluminum Protection Head
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PR-18: |
Industrial RTD Probe with Aluminum Protection Head
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SERIES 260S: |
Standard Threaded Thermowell for 1/4 Inch Diameter Elements |
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SERIES 260H: |
Heavy Duty Threaded Thermowell for 1/4 Inch Diameter Elements |
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SERIES 260HL: |
Heavy Duty Threaded Thermowell for 1/4 Inch Diameter Elements |
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