Protection Head Thermocouples Type T, J & K 3-A Sanitary Probe

The 3-A Approved OMEGA™ THS-S-NB9W and THS-H-NB9W Series Thermistor Sensors are designed for use in Sanitary or Hygienic Clean-in-Place applications in the Food, Dairy, Beverage and BioPharmaceutical industries. These sensors are manufactured with 316L stainless steel housings that meet the dimensional requirements of ASME BPE-2007 and 3-A Specification 74-05, and are welded and processed to provide a clean, smooth, 32 µinch or better surface finish in the wetted areas for easy cleaning.

In addition to the standard 1½-16AMP process connection, these can be provided in the following sizes and styles:


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

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

This sensor is available with either a white polypropylene screw-top connection head (NB9W) or a stainless steel screw top connectoion head (NB15) for connection to your process instrumentation. These sensors are also available in RTD and Thermocouple styles to accommodate any process input requirement. In addition to the standard 1½-16AMP flange design, this sensor can be provided in a wide variety of flange sizes and styles. If you need something a little (or a lot) different, we can accommodate your needs.

This sensor is stocked with the 10,000 ? thermistor standard, but is available in any of the following resistances: