24 spectrum sensors & controls, inc. ? 328 state street ? st. marys, pa 15857 ? phone: 814.834.1541 ? fax:814.834.1556 e-mail: atp@specsensors.com ? web site: www.specsensors.com features: ? d esigned for hvac and refrigeration applications ? available to ft standard return bend on 3/8 coil tubing ? easy installation - just snaps on ? excellent thermal tracking ? cost effcient design ? sturdy c onstruction description: hvac and refrigeration engineers have searched for years for a cost effective sensor capable of monitoring the refrigerant temperature in condenser and evapora - tor coils. in these applications, the only suitable place to mount the sensor is on the coil return bend, which makes sensor attachment a very diffcult design problem. in the past, a number of thermowell or strap-on designs have been used but they were either diffcult and time- consuming to install or they did not accurately sense the refrigerant temperature. the ss&c sens-a-coil solves the problem by integrating a fast response thermistor element into a plastic overmolded copper clip specially designed to snap onto 3/8" return bends. because the sensor is housed in a small bulb which is attached to the copper clips, the sens-a-coil maximizes sensing surface area which enables the sensing element to quickly react to any changes in the refrigerant temperature. and since no tools are needed to install the sens-a-coil, both time and money can be saved in production and feld service environments. the sens-a-coil is also well suited for use in hvac diagnostic equipment and tools. this patented (patent #6,814,486 b2) design from ss&c is the solution for sensing condenser and evaporator return bend temperatures. the sens-a-coil comes standard with 10ft. of awg#22 pvc jacketed cable. please contact the factory for specifc design or application information or the availability of options. ordering information ss&c part number r 25 ( w ) material curve D5003MC22P0 5,000 z d1004mc22p0 10,000 z standard resistance tolerance is 2% at 25?c. resistance versus temperature information for material curve z can be found on page 59. sens-a-coil thermistor sensor sens-a-coil temperature sensor
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