The TEFRACTO-PAD^® model TC59-T is the first development in the WIKA Houston R&D center. Taking into account the knowledge of customer applications, needs and requirements the product addresses proven accuracy and ease of installation. The proprietary thermal shield design of the TEFRACTO-PAD^®
is a patent-pending WIKA innovation in several countries (patent
pending, property right: US 17/554,754, EP 21215402.5 and
CN 202111548816.4).

The TEFRACTO-PAD^® sensor hot end is a contoured weld-pad and optimised heat shield attached to a mineralinsulated cable (sheathed cable). It consists of a metal outer sheath, which contains the insulated internal leads, compressed within a high-density ceramic composition. The material of the outer sheath can be selected to match the application. At the hot end of the sheathed cable, the internal leads are welded together to form an insulated (ungrounded) or non-insulated (grounded) measuring location.

A proprietary moldable shield is placed over the thermopad and sheathed cable. This shield and insulation is a key component for the TEFRACTO-PAD^®, providing accurate temperature that is backed with research and testing from our state of the art R&D center.

At one end of the sheathed cable, the ends of the leads are connected and the sheathed cable is hermetically sealed using a sealing compound. The lead ends form the platform for the electrical connection. Cables, plug-in connectors or connector sockets can be connected to them.

Sensor design
The TEFRACTO-PAD^® is designed as two primary components that have been combined to a single one-step process of welding to the tube and accuracy. The contoured one-step heat shield and weld-pad have been designed to suit each tube and sensor size.

This revolutionary sensor is an engineered solution for the tubeskin industry and will be designed for each application and installation. By utilizing these engineered components the TEFRACTO-PAD^® design provides accurate measurement results.