The Model PM-80 is designed to measure the moisture content of paper rolls or stacks of paper. With its unique, patented ball bearing rollers, the PM-80 is equally effective on moving or stationary rolls or stacks of paper. Wet or dry streaks and moisture trends can be detected in seconds and proper corrective action can be taken immediately. The PM-80 uses the patented Radio Frequency Capacitance Method to measure moisture content. Each roller electrode projects an RF field into the sample covering an area approximately 12 inches by 16 inches and penetrating to a depth of two inches. A patented rotateble outer cylinder, concentric with the fixed inner cylinder electrode, conveys the RF signal to the outside roller. The instrument measures the loss, or change, in RF dielectric constant as affected by the presence of moisture. The hard coat insulation on the rollers reduces the effect of surface moisture to enhance measurement accuracy. Powered by alkaline batteries, the PM-80 goes anywhere and a Battery Test button easily checks the condition of the batteries. The PM-80 weighs less than three pounds, yet its rugged one-piece construction allows continuous heavy use in production environments. Internal circuitry is fully temperature compensated and protected from static electricity. The molded plastic handle contains a switch actuating bar and auto turnoff. Three moisture sensitivity ranges, three meter scales, and full scale suppression provide the versatility to handle nearly every paper application and moisture range.
Paper
Catalog Number: 53-18
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