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  5. See RTD Probes with Molded M12 Connectors
  6. PR-22-3-100-A-M3-150-M12
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RTD Probes with Molded M12 Connectors

PT100 RTD Probes with M12 Molded Connectors
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PT100 RTD Probes with M12 Molded Connectors
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Data Sheet (PDF)

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$69.68

Item# PR-22-3-100-A-M3-150-M12

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $69.68
10-24 $66.20
25-49 $64.80
50-99 $62.02
100-199 $60.62
200+ $59.23

In stock

Lead Time (If not in stock): 9 weeks
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PT100 RTD Probes with M12 Molded Connectors PR-22-3-100-A-M3-150-M12 PR-22-3-100-A-M3-150-M12
  • 316 Stainless Steel Probe with Nylon Overmolded M12 A-Coded 4-Pin Connector (IP67). An M12 Extension Cable is Required for Installation.
  • Fractional and Metric Probe Diameters and Lengths
  • Great for Use As-Is or With Compression Fittings, Spring Loaded Fittings and Thermowells
  • In-Line, Remote and Wireless Transmitters Available

PR-22-3-100-A-M3-150-M12 Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Process Temperature Min
Process Temperature Max
Process Temperature Range
Accuracy
Nominal Output
Probe Diameter
Probe Length
Category
Process Temperature Unit
Sensor Application
Process Connection Size
Number of Wires
Sheath Material
Termination Connection Type


Note: These Sensors Require an M12 Extension Cable to Connect the Sensor To Your Instrumentation. A Partial List Of Our M12 Extension Cables is Included in the Accessories tab.

The PR-22 style M12 RTD sensor is similar to our PR-21A sensor except that it has an overmolded M12 connector (vs. a machined housing). This allows the PR-22 sensor to be a lower cost alternative to the PR-21 if an integral mounting thread is not required.

Product Specifications Include:
  • Nylon Overmolded 4-Pin M12 'A-Coded' Plug Style Connector.

  • 316 Stainless Steel Probe.

  • 1/4' and 1/8' Diameter Probes in 6', 9', 12' 18' and 24' Lengths.

  • 6mm and 3mm Diameter Probes in 150, 250, 350, 500, 750 and 1000mm Lengths.

  • 4-Wire Pt100 or Pt1000 (100 ohms at 0°C or 1000 ohms at 0°C, .00385 TCR (alpha)) Platinum RTD.

  • Accuracy: Class A or Class B per IEC 60751.

  • Temperature Ranges are: -30 to 350°C (-22 to 622°F) Class A Accuracy, -50 to 500°C (-58 to 932°F) Class B Accuracy and -50 to 90°C (-58 to 194°F) Connector End.
  • Insulation Resistance: 100 Megohms Minimum at 100VDC at Room Ambient Temperature.


    • The PR-22 Molded M12 RTD sensor can be used in a wide variety of applications as-is, or with one or more of Omega's In-Stock complimentary products such as:
  • Extension Cables with silicone, polyurethane or PVC cables and straight or right angled connectors.
  • In-line transmitters like the Omega SPRTX-SS and TX94A-SS series transmitters with integral M12 connectors.
  • Hand-held meters and instruments.
  • Contollers and panel meters.
  • Data loggers, data aquisition systems and recorders.

  • Stainless steel or brass compression fittings.
  • Or use them as replacement sensors in thermowells using Omega's spring loading kit.


    • The PR-22 RTD sensor contains an RTD element that meets the resistance vs. temperature requirements of IEC 60751, making it compatible with most of the proccess control and measurement equipment on the market today. The integral M12 connector, wired in a 4-wire configuration, provides customers the flexability to use it in any 2-wire, 3-wire or 4-wire application depending on your equipment or measurement accuracy needs.

    Rated 5 out of 5 by from PT100 are 100 We prefer this product for our assemblies. Omega has never let us down.
    Date published: 2023-04-17
    Rated 5 out of 5 by from Great Value Works as expected and a great value for replacement RTD's.
    Date published: 2023-03-13
    Rated 5 out of 5 by from Great for coffee roasters Worked great on my coffee roaster. Much more reliable data.
    Date published: 2022-10-18
    Rated 5 out of 5 by from Unmatched Quality I have bought these and various similar items over the years. I have never had an issue with any of them.
    Date published: 2022-10-14
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    Can a 4 wire rtd be connected to a 3 wire instrument 

    Asked by: Atfab
    A 4 wire RTD can be used for a 3 wire instrument by not using one of the sensor wires . Please contact our Temperature Group at 800-826-6342 for further wiring details
    Answered by: SAT_SAE
    Date published: 2020-09-09

    I am using this probe in a Saline solution and seeing corrosion after a few weeks, is the 316 SS passivated? Also, is there a coating that can be applied to this sensor to make it less susceptible to corrasion? PN: PR-22-3-100-A-M2-250-M12

    Asked by: dmbenmcc
    Thank you for the inquiry. Please forward this request to TEMP@OMEGA.COM. We will assist you in finding cause for corrosion. best regards OMEGA
    Answered by: NorwalkAE_RS
    Date published: 2021-07-15

    What is the sensitivity (alpha in units of Ohms per degrees Celsius) for this model?

    Asked by: RTDalpha
    For the RTD Class A, Class A = ±(0.15 + 0.002*t)°C or 100.00 ±0.06 Ω at 0ºC
    Answered by: AndrewA
    Date published: 2020-08-20

    Is this probe bendable?

    Asked by: sfb8
    The PR-22 are not bendable so look to the PR-26 if you need a bendable RTD probe.
    Answered by: ApplicationsEngineerANB
    Date published: 2023-06-09

    Can this probe be used for air measurement?

    Asked by: Eli T
    Thank you for the inquiry. Yes, this probe can be used for air measurement.
    Answered by: NorwalkAE_SP
    Date published: 2024-09-05

    What are the 0-100C response times in water for this sensor? 50%, 63%, 90% etc.?

    Asked by: RobW
    Hi RobW, Thank you for the inquiry. Response times will be comparable to the PR-21 series. https://www.omega.com/en-us/temperature-measurement/temperature-probes/probes-with-integral-connectors/pr-21/p/PR-21A-3-100-1-3-M6-0150-M12-1 Fast Response Time (3.5 Seconds or Less 63% Response in Water). Response to near 100% would be 5x this value. Please contact temperature group for more details if needed. Best regards OMEGA
    Answered by: NorwalkAE_RS
    Date published: 2021-07-15
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