Skip to search Skip to main content Skip to navigation

Call us at 1-888-826-6342

We noticed you are from . Visit your local site for regional offers and live support.

M12 Connector RTD Probes with Class A Accuracy 3-A Sanitary

3-A Approved Sanitary RTD Sensor with M12 Connector for use in Sanitary or Hygienic Clean-In-Place (CIP) Applications


Item# PRS-3-100-A-H-0300-D1-M12

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $284.81
10-24 $270.57
25-99 $256.33
100-499 $242.09
500-999 $227.85
1000+ $213.61

In stock

Lead Time (If not in stock): 6 weeks
3-A Approved Sanitary RTD Sensor with M12 Connector for use in Sanitary or Hygienic Clean-In-Place (CIP) Applications PRS-3-100-A-H-0300-D1-M12 PRS-3-100-A-H-0300-D1-M12
  • Pt100 Class A Sensor with M12, 4-Pin Connection Allows for Quick and Easy Installation. An M12 Extension Cable is Required for Installation.
  • 3-A Approved Design, Flanges conform to ASME-BPE-2007
  • Can Be Used In Sanitary, Hygienic, and Clean-In-Place Food, Dairy, Beverage and BioPharmaceutical Applications
  • Wetted Surfaces are 316L Stainless Steel With a Surface Finish = 32 Microinches or Better

PRS-3-100-A-H-0300-D1-M12 Model Options

View all models

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 Connection Type
Probe Diameter
Probe Length
Process Temperature Range
Sensor Application
Nominal Output
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 Ordering Table Below.

Sanitary Temperature Sensor Specifications Include:
  • 3A Approved 316L stainless steel wetted surfaces with surface finishes of 32 microinches or better.

  • Mounting flanges are 16AMP style conforming to ASME-BPE-2007 for proper fit with CIP systems.
  • Probe designs include a 1/4' diameter standard duty and a stepped 3/16 to 3/8' heavy duty design.
  • Standard probe lengths of 3, 4, 5 or 6' available from stock, other lengths available as special orders.

  • Sensor is a 4-wire, 100 ohm, Class A, Platinum Pt100 RTD meeting the requirements of IEC 60751.

  • Connection is a 4-pin M12 plug style connector.

  • These sensors can be used with 2-wire, 3-wire or 4-wire systems see information below.

  • Insulation resistance: 100 megohms minimum at 100 VDC.

  • Thermal response time of less than 2.5 seconds in water flowing at 3 ft/sec (63% response).

  • 3-A approved The 3-A Approved OMEGA™ PRS-S-M12 and PRS-H-M12 Series RTD Sensors are designed for use in Sanitary or Hygienic Clean-in-Place applications in the Food, Dairy, Beverage and BioPharmaceutical industries. These temperature sensors are manufactured with 316L stainless steel housings that meet the dimensional and finish requirements of 3-A Standard 74-05 and ASME BPE-2007, and are welded and processed to provide a clean, smooth, 32 microinch or better surface finish in the wetted areas for Clean-in-Place processes.

    The probe stems are manufactured in two configurations; with a standard ¼' diameter probe for standard duty service, and a stepped 3/8' to 3/16' diameter probe design for good response times in heavy duty applications.

    In addition to the standard 1½-16AMP process connection, these can be provided in the following sizes and styles:
    Process ConnectionModel Number Code
    1' and 1½'-16AMP-D1-

    If you need a process connection that is not listed above, please contact our sales department for availability.

    A 4-Pin M12 Connector provides a quick and convenient connection point for process wiring. Omega offers a full line of M12 extension and patch cables in a variety of cable materials, lengths and connector configurations.

    These sanitary RTD sensors are supplied standard as 4-wire assemblies with 4-pin connectors.
    When used in 3-wire applications, use pins A, B and C as shown in the wiring detail below.
    When used in 2-wire systems, connect one wire to pins A or B and the second wire to pins C or D as shown below.

    Wiring Diagram

    This M12 connector style sensor is also available with a Thermistor sensing element in order to accommodate a wide variety of input requirements.
    loading all models
    loading all reviews
    Rated 5 out of 5 by from Only comment: Perfect! Great products, the quality is spot on and as advertise. Shipping and service was perfect.
    Date published: 2016-03-07
    Rated 5 out of 5 by from Very nice polished finish. I purchased this RTD to monitor the temperature of a keg washing system at a small craft brewery. It fit perfectly and works great!
    Date published: 2018-11-04
    • y_2024, m_7, d_17, h_6
    • bvseo_bulk, prod_bvrr, vn_bulk_3.0.42
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_2
    • loc_en_US, sid_PRS-3-100-A-H-0300-D1-M12, prod, sort_[SortEntry(order=HELPFULNESS, direction=DESCENDING), SortEntry(order=POSITIVE_FEEDBACK, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_omega
    • bvseo_sdk, java_sdk, bvseo-4.0.0
    • CLOUD, getReviews, 4ms
    loading all QA

    Is this sensor UL certified? I haven't been able to find any documentation relating to that. Thank you

    Asked by: Saad
    Thanks for your inquiry, RTD's are not UL rated. Therefore this probe is not UL certified.
    Answered by: AndrewA
    Date published: 2020-07-16
    • y_2024, m_7, d_17, h_6CST
    • bvseo_bulk, prod_bvqa, vn_bulk_3.0.42
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_1
    • loc_en_US, sid_PRS-3-100-A-H-0300-D1-M12, prod, sort_[SortEntry(order=NUM_ANSWERS, direction=DESCENDING)]
    • clientName_omega
    • bvseo_sdk, java_sdk, bvseo-4.0.0
    • CLOUD, getContent, 9ms
    2 Meter extension cable, polyurethane jacket with 4-pin M12 female connector
    0 In Stock
    5 Meter extension cable, PVC jacket with 4-pin M12 female connector
    0 In Stock
    M12 Extension Cable, 4 Wire Polyurethane Cable, Straight Socket Connector One End and Flying Leads the Other, 5 meters long
    32 In Stock
    Extension cable with a right angled 4-pin female M12 mating connector and polyurethane jacketed cable 2 meters (6.5') Long.
    9 In Stock
    5 m (16.4') cable with right angle M12 x stripped leads
    2 In Stock
    5 Meter extension cable, polyurethane jacket with right angled 4-pin M12 female Connector
    0 In Stock

    More Related Items

    Save Configuration