Load Cells
October 2007
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Load cells will allow design engineers to use direct force measurement in many OEM applications where the technology had previously been too expensive. Microfused load cells are made by fusing silicon strain gauges with inorganic glass to the load-measuring member at high temperatures. The glass-bonding process eliminates the instabilities associated with conventional epoxy-bonded strain gauges, creating a more durable and stable sensor. Combined, long-term drift, zero, and span total only 1% during the first 12 months and another 1% for the life of the sensor. Consumer applications include appliance payload/unbalance, food weighing, and equipment controls. Industrial applications include hoist and winch loads, pumps, assembly-line forces, robotics end effectors, and tank-level detection. The load cells feature low deflection and inherently low mass, which enable optimized response time and superior low-end resolution and provide essentially unlimited fatigue life expectancy. Microfused load cells have been tested to 10 million cycles and beyond with no indication of fatigue failure. Measurement Specialties Inc.


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