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Transducer Techniques LPU Series are Low Profile, Universal Tension or Compression Pancake Type Load Cells

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LPU Series Low Profile Compression Load Cell

LPU Series Low Profile Compression Load Cell

LPU Series Load Cell Specifications

LPU Series Load Cell Specifications

These low-profile "pancake" type load cells give engineers more mounting options and ways to collect force data.

TEMECULA, CALIFORNIA, UNITED STATES, February 22, 2021 / -- Our LPU Series Load Cell are a low profile, universal tension or compression pancake load cell type. They are available in 14 ranges from 100 lbs. through 50,000 lbs. Hold down bolt holes are provided through the outer diameter and a threaded hole provided through the center for pushing or pulling from either end. The LPU Series are made from 17-4ph heat treated stainless steel. The sensing element incorporates bonded foil strain gages of the highest quality to produce a full scale output of 3 mV/V. Accuracies are Nonlinearity 0.1%, Hysteresis 0.1%, and Nonrepeatablility 0.05% or better. They are sealed for protection against most industrial environments and are supplied with a Load Cell Calibration Certificate traceable to N.I.S.T.

Transducer Techniques, established in 1979, designs and manufactures a complete line of load cells, torque sensors, special purpose transducers and related instrumentation. Transducer Techniques load cells are uniquely designed for weight and force measurement in such diversified applications as process control and factory automation. Other applications exist in numerous fields of science and industry for our load cells. All transducer sensing elements incorporate bonded foil strain gauges, wired in a full Wheatstone bridge configuration.

Load cells are electro-mechanical transducers that translate force or weight into voltage. This change in voltage produces a signal in the read-out instrumentation, a repeatable deflection or indication that can be calibrated directly in terms of the load applied to the load cell.

Construction of the load cell utilizes all the advantages of bonded foil strain gauges. Sealed within the load cell are sets of matched strain gauges bonded to a high strength element, machined to close tolerances. The strain gauges are electrically connected to form a balanced Wheatstone bridge and additional compensation resistors are added to the circuit for maintaining the accuracy of the bridge over a wide temperature range.

The principle of operation depends upon the deflection of the strain gauge filament, creating a change in its resistance, thereby unbalancing the bridge circuit. As a result, for a given input voltage, the output voltage of the bridge varies proportionally with the load and the change can be read on appropriate instrumentation.

When completed, each load cell is individually tested and calibrated. Each cell must meet or exceed rigid electrical and mechanical performance tests before it is released for service. Also, every cell is proof tested to its full rated capacity, and in most instances, to over its rated capacity.

An important asset of our load cells is their extremely small deflection. The maximum deflection of standard cells does not exceed .012" at full load. This plus the fact that these load cells contain no moving parts opens unlimited application fields. The inherent compactness of the load cells minimizes installation problems.

The frequency response characteristics of our load cells are exceptionally good. The relatively low mass, and the small deflection under load, result in a high-frequency response which emphasizes the use of the load cells in many services where other transducers cannot perform.

Only strain gauges of the highest quality are installed and configured by technicians who have undergone our extensive training program targeting craftsmanship and attention to detail. To the end-user, this means a quality product. All Load Cells / Force Sensors and Torque Sensors are supplied with a Calibration Certificate traceable to NIST.

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