M5Stack HX711 Scale Kit with Weight Unit ~200kg

M5Stack

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SKU:
558-K121
MPN:
K121
M5Stack Scale Kit provides up to 200 kg weighing capacity using 4 half-bridge strain-gauge sets and an HX711 24-bit ADC with 32, 64, and 128 programmable gain. View full description
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₹1,993.58 ex. GST

Technical Specifications

Brand:
M5Stack
HX711:
Output Sensitivity: High-precision 24-bit ADC Programmable Gain Amplification: 32, 64, 128 10SPS Output Data Rate
Half-Bridge Resistive Strain Gauge:
Output Sensitivity: 1.0±0.1mV/V Non-linearity: 0.3% F.S Overall Accuracy: 0.3% F.S Zero Output: ±0.3mV/V Impedance Difference Between Upper and Lower Strain Gauges: 0.8Ω Output (Input) Impedance: 1000±5Ω
Product Size (Single Half-Bridge Resistive Strain Gauge):
46.4x36.6x18.1mm
Product Weight:
93.9g
Package Size:
152.0x82.0x20.0mm
Gross Weight:
113.2g

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.

Description

Resources:
Documents

200 kg Electronic Weighing Kit with HX711 24-Bit ADC and Four Half-Bridge Resistive Strain Gauges

The M5Stack Scale Kit with Weight Unit is an electronic weighing solution designed for IoT measurement, load monitoring, and smart-scale development. The kit uses 4 sets of half-bridge resistive strain gauges to provide a total weighing capacity of up to 200 kg. Sensor signals are processed by the HX711 high-precision 24-bit A/D converter, allowing small resistance changes from the strain gauges to be converted into digital weight data for processing by a compatible M5Stack main controller.

The HX711 integrates a low-noise programmable amplifier with selectable gains of 32, 64, and 128, supporting accurate acquisition of low-level strain-gauge signals. It provides a 10 SPS output data rate for continuous weighing applications. The included strain gauges offer 1.0 +/- 0.1 mV/V output sensitivity, 0.3% F.S. non-linearity, and 0.3% F.S. comprehensive accuracy. This combination provides a convenient platform for building connected weighing systems, digital scales, inventory-monitoring devices, and other weight-measurement projects.

Key Features

  • 200 kg Total Capacity: Four half-bridge resistive strain-gauge sets provide a combined weighing capacity of up to 200 kg.
  • HX711 Converter: Integrated high-precision converter processes low-level signals generated by the strain gauges.
  • 24-Bit ADC: High-resolution analogue-to-digital conversion supports detailed weight-data acquisition.
  • Programmable Gain: HX711 supports selectable amplification gains of 32, 64, and 128.
  • Low-Noise Amplification: Built-in programmable amplifier is designed for measurement of low-level load-cell and strain-gauge signals.
  • 10 SPS Output Rate: Provides weight-data output at 10 samples per second for continuous measurement.
  • Half-Bridge Strain Gauges: Uses 4 sets of resistive strain gauges for constructing the weighing platform.
  • 1.0 +/- 0.1 mV/V Sensitivity: Strain gauges provide specified output sensitivity for load measurement.
  • 0.3% F.S. Non-Linearity: Supports consistent measurement response across the specified weighing range.
  • 0.3% F.S. Comprehensive Accuracy: Provides specified overall measurement accuracy for the strain-gauge elements.
  • Low Zero-Point Output: Zero-point output is specified at +/- 0.3 mV/V.
  • 1000 +/- 5 Ohm Impedance: Specified input and output impedance supports predictable sensor-interface characteristics.
  • M5Stack Integration: Can be combined with a compatible M5Stack main controller for IoT weighing and data-processing applications.
  • IoT Weighing Development: Suitable for adding connectivity, data logging, and remote monitoring to electronic-scale projects.

Applications

  • IoT weighing systems
  • Electronic scales
  • Smart weighing platforms
  • Weight monitoring
  • Load measurement
  • Inventory monitoring
  • Connected weighing devices
  • Digital scale development
  • Educational measurement projects
  • Embedded weighing systems
  • Data-logging scales
  • Smart storage systems
  • Industrial prototyping
  • DIY weighing projects

Model Size

Package Includes:

  • 4 x Half-Bridge Resistance Strain Gauges
  • 1 x Unit Weight
  • 1 x HY2.0-4P Cable (20cm)
  • 4 x Double-Sided Adhesive Tape (39 x 20 x 0.8mm)
  • 4 x Double-Sided Adhesive Tape (39 x 12 x 0.8mm)
  • 1 x Sensor Wiring Terminal