Thermophant T TTR31 & TTR35 Temperature Switches Endress+Hauser Thermophant T TTR31 and TTR35 Temperature Switches provide reliable operation, optimal use of space, and cost efficiency. These compact sensors utilize modern process measuring technology for easy installation and commissioning. Designed for the safe monitoring of process temperatures, the devices can be selected between one or two switch outputs as well as one switch output and one standardized analog output. The TTR31 series features vibration-proof integrated thin-film sensors and thread connections or coupling for high operational safety, and the TTR35 modules are suitable for hygienic applications, including food and beverage and life science industries. Endress+Hauser Thermophant T TTR31 and TTR35 Temperature Switches are designed to deliver a short response time and high accuracy over the entire ambient temperature range.