Series 4 General Purpose RTD

 The Series 4 General Purpose RTD's are low cost and offered in a variety of configurations. Tip temperatures can be as high as 450°C (842°F) for fiberglass insulated wire, or 200°C (392°F) for FEP insulated wire. Models specified with a head cover can be ordered with no process connection, 1/2" NPT, or 3/4" NPT process connections. For higher temperatures, see Series R Mineral Insulated RTDs.