1-800-663-4209 | Welcome to our new website, found an issue or bug? Please report it here
PR-22
RTD Probes with Molded M12 Connectors
Models In Stock
- 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
From
C$
73.95
Models In Stock
Product Overview
- Color Code Standard ANSI
- Connector Temperature, Max 90 °C
- Connector Temperature, Min -50 °C
- Electrical Connection M12 4 pin Male
- Enclosure Ratings IP67
- Number of Wires 4
- Process Connection Size N/A
- Sheath Material 316 Stainless Steel
- Temperature Sensor Type RTD
- Thermocouple Type N/A
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 a over-molded 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.
![]()
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.
The PR-22 style M12 RTD sensor is similar to our PR-21A sensor except that it has a over-molded 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.
PDFs & Manuals
Accessories
accessories
M12 Cables with Field Mountable Connectors for Resistance Sensors (RTDs)
C$96.46 / each
15 In Stock
M12 Cables with Field Mountable Connectors for Resistance Sensors (RTDs)
C$91.28 / each
32 In Stock
M12 Cables with Field Mountable Connectors for Resistance Sensors (RTDs)
C$155.13 / each
0 In Stock
M12 Cables with Field Mountable Connectors for Resistance Sensors (RTDs)
C$100.32 / each
7 In Stock
signal conditioners
Show Ratings & Reviews
Rated 1 out of
5
by
Roger R from
Melted at 400C
Probe melted at 400c, previous probe did not melt.
Date published: 2025-03-06
Rated 5 out of
5
by
F Mar 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
GregO 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
Matt P 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
D Holma 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
Can a 4 wire rtd be connected to a 3 wire instrument
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
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
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
Date published: 2021-07-15
PR-22-3-100-A-1/8-0600-M12: (1) part # compress.fitting w/ 1/8NPT male? (2) probe min. immersion lg.? (3) is the insertion lg. adjustable, i.e. can compress.fitting be installed at any location along probe tube (plan to install.on different pipe sizes)?
The minimum insertion length for RTD's is 2" and yes you can place a compression fitting along the length of the probe to adjust the depth.
Date published: 2024-12-04
What is the sensitivity (alpha in units of Ohms per degrees Celsius) for this model?
For the RTD Class A, Class A = ±(0.15 + 0.002*t)°C or 100.00 ±0.06 Ω at 0ºC
Date published: 2020-08-20
Is this probe bendable?
The PR-22 are not bendable so look to the PR-26 if you need a bendable RTD probe.
Date published: 2023-06-09
Can this probe be used for air measurement?
Thank you for the inquiry. Yes, this probe can be used for air measurement.
Date published: 2024-09-05
What are the 0-100C response times in water for this sensor? 50%, 63%, 90% etc.?
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
Date published: 2021-07-15