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3-A Approved Sanitary RTD Sensor with M12 Connector for use in Sanitary or Hygienic Clean-In-Place (CIP) Applications
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
PRS-M12 Series
  • 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
  • Standard Duty and Heavy Duty Constructions Available
  • Process Measurement Temperature Range: -50 to 200°C (-58 to 392°F)
 Manuals (contact with email : [email protected])


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 approvedThe 3-A Approved trodeks® PRS-S-M12 and PRS-H-M12 SeriesRTD 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. trodeks 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
    TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers

    This M12 connector style sensor is also available with a Thermistor sensing element in order to accommodate a wide variety of input requirements.
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