The HATLSO single point strap-on temperature sensor has a high accuracy platinum RTD bonded to a 38.1 c 38.1 mm (1.5†x 1.5â€) Aluminum plate and adhered to a 38.1 x 25.4 mm (1.5 x 1“) compressible foam. A 10†S/S Pipe clamp is provided to secure the assembly to various sizes of pipe.. All probes provide excellent heat transfer, fast response and resist moisture penetration. A transmitter that provides a high accuracy signal with excellent long term stability, low hysteresis and fast response for measurement of room temperatures. A hinged lid, weatherproof enclosure and LCD in either °C or °F are provided.