Temperature chart recorder remote reading, with programmable speed and temperature ranges. Designed specifically for refrigerator, freezer, and environmental temperature measurement. The Supco Temperature Recorder with remote sensor employs advanced microcontroller design that enables this versatile instrument to accurately measure and record temperatures in air, gas, liquids, powders, solids, and semi-solids. Recordings can be made from any distance up to 100 feet away by using an optional long length sensor wire. Two selector switches located on the face panel allow for the recording of 3 different temperature ranges at 4 different recording speeds. Battery backup assures normal operation during power interruptions. 12 Volt operation - allows use in vehicular or marine operations. Furnished complete with 2 cartridge pens and 60 (6" diameter) assorted charts. Convenient fold down carrying handle. Snap-on extra support legs. Free standing or wall mounted (using existing keyhole slots located on back of the case).