Supco CR87B Fahrenheit Temperature Circular Chart Recorder, 6" Chart Diameter, 110-120V Voltage

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). Weather proof NEMA type 4X (CSA type 4) case optional. Ambient operating temperature range: 32 degree F to 140 degree F. Ambient operating - relative humidity: 96 percent maximum. Chart speed selectable: 6 hrs, 24 hrs, 7 days, 31 days. Chart rotation mode: single turn or continuous. Chart speed accuracy: +/- 1 percent . Chart diameter: 6 inches. Display: 3 digit LED 0.5". Primary power supply: 120 VAC, 50/60Hz. 12 Volt vehicle operation with optional adapter. Battery backup: 8 AA Alkaline batteries (not supplied). Battery life: 48 hours continuous use. Recording pen: Ink type. Weight: 4 lbs, 7 oz. Temperature scale selectable (Fahrenheit): -40 degree F to +30 degree F, -20 degree F to +50 degree F, +50 degree F to +120 degree F. Temperature Accuracy: +/-2 degree F. Temperature sensor: 15' long sensor wire with 4" Stainless Steel submersible probe.