Scale Kit with Weight Unit - 200 kgs - HX711 - M5Stack K121

Index: MSS-21275 EAN: 6972934173508
The Scale Kit with Weight Unit consists of four pressure sensors - half-bridge strain gauges, a 24-bit analog-to-digital converter with the HX711 system in the form of a Unit extension, a Grove cable and a mounting tape. The mentioned elements in combination with the M5Stack development module and the stand can serve as an IoT-based precision scale. The total weighing range is 200 kgs .
Scale Kit with Weight Unit - 200 kgs - HX711 - M5Stack K121
€21.90
€17.80 tax excl.
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Manufacturer: M5Stack
Compatibility: M5Stack Core M5Atom M5Stick

Product Description: Scale Kit with Weight Unit - 200 kgs - HX711 - M5Stack K121

The Scale Kit with Weight Unit consists of four pressure sensors - half-bridge strain gauges, a 24-bit analog-to-digital converter with the HX711 system in the form of a Unit extension, a Grove cable and a mounting tape. The mentioned elements in combination with the M5Stack development module and the stand can serve as an IoT-based precision scale. The total weighing range is 200 kgs .

Check also the user's guide prepared by the manufacturer M5Stack!

Elements included in the kit.

Elements included in the kit.

M5Stack Core and acrylic cap are not included.

M5Stack Core and acrylic cap are not included.

Strain gauge principle of operation

Strain gauges are the main element of every electronic balance. As a rule, they are placed under supports or overlays to ensure an even load. In measuring technology, strain gauges generally work in the so-called bridge, the most common is the Wheatshone bridge. The principle of the strain gauge is to measure the stress and resistance that are exerted by the pressure of the weighed element.

For the Scale Kit with Weight Unit to work properly, it is necessary to use a module with a microcontroller (e.g. M5Stack Core, M5Stack Core2, M5Atom, M5StickC, M5StickC Plus, CoreInk or M5Paper - to be purchased separately) and two overlays / sockets (e.g. acrylic) with a length of side not more than 50 cm.

Technical specification of the set

  • Type: electronic scale
  • Total weighing range: 200 kgs
  • Analog-to-digital converter
    • chip: HX711
    • resolution: 24-bit
    • programmable gain: 32, 64 and 128
    • output data baud rate: 10 SPS
  • Pressure sensor
    • type: strain gauge, half-bridge
    • output sensitivity: 1.0 ± 0.1 mV / V
    • non-linearity: 0.3% FS
    • integrated accuracy: 0.3% FS
    • zero output: ± 0.3 mV / V
    • difference between upper and lower impedance of each strain gauge: 0.8 Ohm
    • output impedance: 1000 ± 5 Ohm
  • Package dimensions: 105 x 65 x 40 mm
  • The weight of the elements of the set: 92.5 g
Pressure sensor - strain gauge.

Pressure sensor - strain gauge.

The converter with the HX711 chip.

The converter with the HX711 chip.

Kit contents

  • Pressure sensor - strain gauge - resistance with led wires - 4 pieces
  • HX711 analog-to-digital converter - Unit type extension - 1 piece
  • Connecting cable with a Grove connector - 20 cm long - 1 piece
  • Double-sided mounting tape - 39 x 20 x 0.8 mm - 4 pieces
  • Double-sided mounting tape - 39 x 12 x 0.8 mm - 4 pieces

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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