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| New Temperature Sensor from Harwil  Harwil introduced the new Temperature Sensor, which signals a computer to activate an electrical response when fluids reach critical temperature settings between -20 and 200ºF. The low-cost Temperature Sensors fit into existing pipes or can be purchased in PVC Tee's. Four electrical connection options are available. Two basic models of the new temperature switch are the TS-1N for water, salt water, mild acid and base solutions and the TS-1CR for more corrosive materials. The CR version tolerates concentrated acids, bases, hydrocarbons, alcohol and other chemicals.Wetted parts of the TS-1N are made up of Polyphenolene Oxide GFN-1 with 10% glass fibers and epoxy. The TS-1CR's wetted parts are constructed from Tycona Fortron with 40% glass fibers and epoxy. Electrical connections on the TS-1N and TS-1CR can be two simple male spade terminals recessed or the cables can be potted with epoxy into the switch. A rubber grommet at the electrical connection is another option for a watertight seal and a ½" female thread option is also available. write your comments about the article :: © 2007 Construction News :: home page |