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Home / Sensors / Planar Pressure Load Cell Module, High-Precision Parallel Beam Force and Weight Sensor with RS485 for Electronic Scales

Attributes

Brand -
Category Robotics / STEM Teaching Tools / Sensors
Origin -
Sensor Type Parallel Beam Load Cell
Communication Interface RS485 (Modbus RTU)
Accuracy Class C3 High Precision
Rated Capacity 50kg / 100kg / 200kg Options
Excitation Voltage 5V - 12V DC
Output Signal Digital RS485 Protocol
Material Aluminum Alloy with Anodized Finish
Protection Rating IP65 Dust and Water Resistant
Operating Temperature -20°C to +60°C
Application Electronic Scales, Hopper Weighing, Force Testing

6 reviews

A

Anonymous

Mar 29, 2026

Rating: 5/5

Excellent value for money

Compared to other high-precision load cells on the market, this offers incredible value. The digital output eliminates the need for external amplifiers, saving space and cost.

A

Anonymous

Mar 26, 2026

Rating: 5/5

Perfect for industrial scale retrofit

The RS485 output made integration with our existing PLC system incredibly easy. The readings are stable and the build quality feels robust. Highly recommended for anyone upgrading from analog sensors.

A

Anonymous

Mar 20, 2026

Rating: 4/5

Solid performance

Works exactly as described. Setup was straightforward using the provided example code. It's a bit sensitive to mounting alignment, so take your time during installation.

A

Anonymous

Mar 19, 2026

Rating: 5/5

Reliable and sturdy

Been using this in a packaging line for three months now. No drift in calibration and it handles the constant load cycles without issues. The aluminum housing is tough.

A

Anonymous

Mar 05, 2026

Rating: 5/5

Best sensor for DIY projects

I used this for a custom coffee bean hopper scale. The resolution is amazing, detecting even single bean additions. The RS485 connection is reliable over long cables.

A

Anonymous

Mar 04, 2026

Rating: 4/5

Great precision, minor documentation gaps

The sensor itself is fantastic and very accurate. I deducted one star because the Modbus register map could be more detailed, but support helped me figure it out quickly.

5 FAQ

Q: What is the maximum cable length supported?

A: For reliable communication at standard baud rates, we recommend a maximum cable length of 1200 meters using shielded twisted pair cable.

Q: Does this module come with the mounting screws?

A: Yes, the package includes a standard set of stainless steel mounting screws and a user manual.

Q: Is there a library available for Arduino or Raspberry Pi?

A: Yes, we provide open-source libraries for both Arduino and Raspberry Pi on our GitHub repository, along with sample code for reading weight data.

Q: Is calibration required before first use?

A: The sensor comes pre-calibrated from the factory. However, we strongly recommend performing a zero-point adjustment and span calibration after installation for optimal accuracy.

Q: Can I connect multiple sensors to one RS485 bus?

A: Absolutely. Since it uses Modbus RTU over RS485, you can daisy-chain up to 32 devices on a single bus by assigning unique slave IDs to each unit.

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