![]() ![]() This important distinction precludes signal degradation associated with analog cells. In a digital truck scales system, the load cells themselves perform the analog-to-digital signal conversion, and produce a native digital output signal. However, this does not prevent load cells from being destroyed by lightning which require replacement by a trained scale service technician. Suppression circuitry is added to the overall wiring to divert extreme lightning current from the strain gauges. a truck scale platform used for weighing coal) is placed in an area outside, it becomes a lightning rod that is very susceptible to lightning strikes. Analog load cells, because of their construction and electrical characteristics, are especially sensitive to lightning damage. ![]() However, analog load cells have many drawbacks. Analog load cells are inexpensive, have been on the market for a relatively long period, and they have a fairly wide range of weight capacities. Analog load cells come in many variations, but the two most common types used in truck scales are the compression load cell and shear beam load cell.Ī truck scale system employing analog load cells has some distinct advantages. ![]() These combined signals are then fed from the junction box into an indicator and converted into a digital value displayed for the customer to view. This type of truck scale combines electrical signals from individual analog strain gauge load cells and sums them in a junction box. Researching the variations of truck scales types and their respective attributes is an important process and advantages should be considered between analog and digital truck scale systems.Īnalog truck scales are the most common type of truck scale available on the market. Meeting increasing energy demands requires high performance from equipment used to weigh minerals. Mining is a critical part of meeting the world’s energy demands and requires a great deal from its truck scales: accuracy, longevity, and ability to operate consistently for long periods of time without breaking down. ![]()
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