Digital load cell features network with no junction boxes

Paul Boughton

Mettler Toledo has launched a new load cell. The Powercell PDX, which eliminates the typical maintenance repair costs and downtime related to conventional analogue vehicle scales.
The new Powercell PDX load cell is the first digital load cell of its kind to feature a network with absolutely no junction boxes. This single design innovation attacks service breakdowns where they are most likely to occur. The load cell includes predictive diagnostics to keep users continuously informed of their scale’s performance.  This includes: automatic notification of weighing errors, overloading, environmental conditions, network health, load cell voltages and enclosure integrity without the need for maintenance prone external converter boxes.
Mettler Toledo provides complete protection against lightening damage with StrikeShield Protection. Each Powercell PDX load cell system has its own built-in lightening protection. The average lightening strike is approximately 30,000 amperes; but unlike conventional analogue load cells, that’s not a problem for the Powercell PDX. The load cell meets the toughest standards for protection against lightening (International Electrotechnical Commission IEC 62305-1).
Each Powercell PDX load cell uses an on-board microprocessor to monitor internal and external influences that effect weighing accuracy. By compensating for changes in those influences, the microprocessor enables each load cell to provide accurate weights in virtually any environment. This load cell maintains weighing accuracy by alerting users to a potential problem within the network. If a problem occurs, it can be fixed quickly. With a convential analogue load cell system, users may be operating for months with an unknown load cell or cable problem: providing inaccurate weighing results until the error is uncovered during the next inspection. As a result, a 60 pound error can add up to thousands of pounds worth of lost profit, even when users are weighing as few as 50 vehicles per day.

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