Truck scales: Reliable weighing solutions for industry and agriculture

We offer products and solutions for reliable vehicle weighing in agriculture, waste management and many other industries. Our versatile portfolio offers analogue and digital weighing solutions for every requirement. The high-quality range extends from load cells including built-in solutions to weighing electronics with stand-alone truck applications.

Find out on this page how load cells, installation kits, cable boxes specially developed for truck scales with high resistance to moisture and dust as well as weighing indicators and controllers work together perfectly.

Safe truck scales Robust load cells with up to 200% mechanical overload resistance and premium lightning protection

The load cells in our PR 6221 and PR 6224B series were developed to withstand the difficult conditions in lorry and rail scales. The permissible mechanical overload of up to 200%, the hermetically sealed housing and premium class lightning protection ensure a long and trouble-free service life. Thanks to the matched output technology, there is no need for time-consuming corner adjustment.

✓ Outstanding durability thanks to German Quality

✓ Precise measurement results for accurate billing of loaded goods

✓ Uncompromising reliability thanks to high lightning protection

✓ Above-average protection against flood water, frost and de-icing salt

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Analogue truck scale load cell PR 6221

The PR 6221 load cell is produced in Germany with the utmost care and has been specially designed for use in truck scales. Its high quality guarantees precise results, durability and reduces costs in the medium term. Its outstanding precision and durability reduce service and calibration costs and help minimise downtime. In combination with the Connexx converter® , the PR 6221 becomes a digital solution. Developed for the harshest environmental conditions, the load cell can even withstand immersion in water to a depth of 1.5 metres for more than 10,000 hours. Matching installation kits and cable boxes round off the range.

  • Simple installation and commissioning
  • High overload capacity
  • Precise measurement results from 12.5 to 75 tonnes
  • Patented measuring element geometry
  • Highest IP protection (IP68 and IP69K)
  • Also available as an ex-version
  • High surge protection (lightning protection class III)
  • Hermetically sealed encapsulation
  • Developed for the harshest environmental conditions

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Digital PR 6221 truck scale load cell with Connexx® converter

In Kombination mit dem Converter Connexx® wird die PR 6221 zur digitalen Lösung und bietet zusätzlich zu den oben genannten Vorteilen noch folgende Features:

  • Fast signal propagation times
  • The use of fieldbus communication eliminates the need for a cable junction box
  • Very long communication paths of up to 200 metres are possible with CANopen
  • Individually available weight values per load cell for quick commissioning and identification of damaged load cells

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Digital truck scale load cell PR 6224B Pendeo® Truck

The Pendeo® Truck weighbridge load cell is a digital load cell with DAT (Digital Assistance Technology). Its extended functions offer short weighing times as well as significant time savings during configuration.

  • Simple commissioning
    • Load cell identification; notification of uneven load distribution
    • Automatic corner levelling
  • Efficient use
    • Temperature control
    • Information on load cell parameters; immediate notification in the event of a defective load cell
  • Fast repair and maintenance
    • Compensation of a failed load cell
    • Overload counter; extended service functions

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Everything from a single source

We provide you with all electro mechanical components for truck scales from a single source - be it load cells, installation kits, weighing electronics or accessories. We support you throughout the entire planning process: from the initial consultation to commissioning and maintenance.

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Versatile weighing electronics for controlling truck scales and displaying weight values

Minebea Intec offers a complete range of weighing electronics for truck scales. The range includes stand-alone weighing controllers with a powerful software application for vehicle weighing as well as simple weighing electronics for connection to your own PC software.

Maxxis 5 weighing controller for precise control of truck scales

The Maxxis 5 with truck weighing application can control the entire weighing process, including predefined processes for:

  • First and second weighing
  • Control of traffic lights and barriers
  • Control of dosing processes for lorry loading

Material and order-related receipts, recipe reports, utilisation logs and production statistics can be printed out via a printer or exported to a PC.

The Maxxis 5 weighing controller is also suitable for tandem scales. Two weighing platforms are connected and the combined weight value is calculated.

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Weighing indicator X3 for precise display of vehicle scale weight values

The X3 weighing indicator is connected to the existing PC software. The EasyFill® software application is already pre-installed for simple dosing processes. The X3 has a large, transflective display for excellent readability, even in direct sunlight.

  • Precise, reliable and fast processing of weight values
  • Convenient and efficient adjustment of the scales with SMART Calibration
  • Global remote maintenance through Remote Service
  • Expandable for all digital weighing solutions with the Connexx® converter


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Further information Webinar & Best Practice

Best Practice: Truck scales for precise results

One of the most demanding weighing applications is the weighing of loaded and unloaded lorries, especially under extreme environmental conditions such as the enormous temperature fluctuations in the United Arab Emirates.

To best practice

Webinar: Truck weighing

  • Load cell design and its relevance
  • Importance of precision and durability
  • Cabling of Connexx modules at truck scales
  • Functionality of an indicator for truck scales

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In which industries are truck scales used and what should you look out for when choosing one?

A truck scale is a weighing system that is used to weigh the load of a vehicle. It is mainly used in recycling plants, factories, quarries and agriculture. Generally, a truck scale uses a structured platform made of metal/concrete, solid concrete or solid steel with load cells and a control transmission system to display the total weight of the vehicle and the goods loaded on it.

Various aspects should be considered when purchasing and using a truck scale. In the recycling industry, for example, the vehicles are generally longer, goods such as stones or paper spill and impair the function of the truck scale. Access and cleaning requirements under the truck scale are therefore important. If the value of the goods to be weighed is high, the requirements for the accuracy of the load cells for the truck scale also increase. In agriculture, on the other hand, the requirements for the width of the vehicles are different and, of course, the requirements for overload protection of the truck scales are high. In companies located near the ocean or sea, for example, there are requirements for water and corrosion protection. In the logistics and warehousing industry, where the truck scales are part of the factory's overall IT system, which is often linked to purchasing, storage and sales systems, there are many vehicle entries and exits, which requires fast measurements and high traceability functions.

Load cell as main component: structure of a truck scale

As with most scales, the main central component of a truck scale is the load cell, usually between 4 and 8 load cells, depending on the number of modules on the platform. The load cells are mounted under the lower part of the truck scale platform using a mounting kit. The signal cables of the load cells are connected to the weight indicator via a junction box to display the weight. In addition to these basic elements, the truck scale can be equipped with a second indicator, the so-called weight repeater, depending on the user's needs, a system that ensures that the driver can check that the truck scale is at zero and that he can see his weight when he is standing on the scale. Other devices, such as weighing terminals, can independently control the management and recording of weighing operations.

Installation location and use of the truck scale

The location of a truck scale must be carefully considered: Is the surface strong enough to bear the weight of the scales and the loaded lorry? Does the weighbridge have to cope with traffic in one or both directions? Does the site provide adequate drainage for rainwater? Does the site provide enough space for trucks to enter and exit the truck scale without problems? Is the site large enough to add a new weighbridge if required? Is a waiting area provided so that waiting lorries do not block traffic on the carriageway? You need to know the compressive strength of the soil, frost and water levels at the installation site and make sure that the chosen location is suitable for the installation before you draw up the exact construction plan. The load-bearing capacity under the foundation of the weighbridge varies between 7,300 kg/m2 and 12,200 kg/m2. If the site conditions do not fulfil this requirement, reinforcement must be provided. The foundation of the vehicle bridge must be excavated deeper.

Do not install the device in the vicinity of strong sources of interference, such as post and telecommunications offices, television towers, large transformer stations and high-voltage power lines. Electromagnetic and electrostatic couplings cause interference with the load cell signals transmitted by the transmission cables, and the longer the signal lines, the stronger the interference.

What does restoring force mean?

When the truck scale is moved, the forces acting on it cause the load cell to deflect. The restoring force ensures that the load cell returns to its centred rest position as quickly as possible.

What lightning protection requirements does the PR 6221 truck scale load cell fulfil?

The PR 6221 truck scale load cells fulfil the requirements

  • Lightning impulse current (Imax = 100 kA) 10 µs/350 µs (lightning protection class III) according to DIN EN 62475
  • Lightning impulse voltage (Umax = 1,000 kV) 1.2 µs/50 µs according to DIN EN/IEC 60060-1

With quality overvoltage protection, equipotential bonding, protection of the measuring cable and in conjunction with Minebea Intec cable boxes and indicators, the analogue load cells can withstand voltages of up to at least 1,000 kV and currents of up to 100 kA without damage.

What does matched output mean?

The output resistance (Ro) and characteristic value (Cn) of the load cells are within a narrow tolerance band individually and in combination (= matched output). This eliminates the need for electrical corner adjustment and only mechanical height compensation is required.

What is a calibrated indicator for truck scales?

A calibrated indicator is a display system that is calibrated and verified in accordance with legal requirements. It is used in conjunction with truck scales to display accurate weight information.

Why is the total weight important when weighing vehicles?

The total weight of a vehicle is crucial for road safety and compliance with weight restrictions. It is therefore very important to determine this weight accurately and reliably.

What role does the surface play in the installation of vehicle scales?

The surface is of great importance as it influences the stability of the weighbridge. A level, firm and stable surface is necessary to ensure accurate weighing results and the longevity of the scale.

What are different types of weighing systems for weighing vehicles?

There are different types of weighing systems, including stationary truck scales, mobile weighing systems and axle load scales. Each system has its own advantages and disadvantages, depending on the requirements and usage situation.

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