The TT-IH is for use in high temperature applications up to 400C. The sensor consists of a stainless steel probe fitted to an aluminium head, and connected by a 1 m cable to a plant housing where terminations and transmitters are located. The TT-IH is available in two standard probe lengths of 150 mm or 250 mm, for direct mounting into the TT-PO-521 or TT-PO-HP range of stainless steel pockets.