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40Kg Load cell – Electronic Weighing Scale Sensor



1.Type :Single Point Load Cell

2.Material;Alluminium alloy

3.Suggested Platform Size: 350 x 350 mm

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A load cell is a transducer that is used to create an electrical signal whose magnitude is directly proportional to the force being measured. The various types of load cells include hydraulic load cells, pneumatic load cells and strain gauge load cells.

This is a standard load cell for measuring weight upto 40 Kg. The most common use of this sensor is in weighing machine. Every weighing machine which shows weight has a loadcell as sensing element.

This conversion is indirect and happens in two stages. Through a mechanical arrangement, the force being sensed deforms a strain gauge. The strain gauge measures the deformation (strain) as an electrical signal, because the strain changes the effective electrical resistance of the wire. A load cell usually consists of four strain gauges in a Wheatstone bridge configuration. Load cells of one strain gauge (quarter bridge) or two strain gauges (half bridge) are also available.

The electrical signal output is typically in the order of a few millivolts and requires amplification by an instrumentation amplifier before it can be used. The output of the transducer is plugged into an algorithm to calculate the force applied to the transducer.

Load cells are used in several types of measuring instruments such as weighing scales, universal testing machines.

Method of connecting wire: I/P  – Red(+),Black(-)
O/P – Green(+),White(-)


Parameter Value
Type Single Point Load Cell
Total Precision C3 class
Material Aluminum Alloy
Surface Anodized Treatment
Protection IP65
Suggested Platform Size 350 x 350 mm
Applications Weighing Scales, Retail, Bench & Counting Scales
Rated Load 40 Kg. Max
Rated Output 2.0mV/V+/- 5%
Zero Balance +/- 1% Full Scale
Input Resistance 405 +/- 6 Ohm
Output Resistance 350 +/- 3 Ohm
Excitation Voltage 5-12V DC
Nonlinearity 0.017% Full Scale
Hysteresis 0.02% Full Scale
Repeatblity 0.01% Full Scale
Creep(30min) 0.015% Full Scale
Operating Temperature -20 °C to +65 °C
Temperature Effect on Zero 0.017% Full Scale / 10 °C
Temperature Effect on Span 0.014% Full Scale / 10 °C
Insulation Resistance 5000 Mega Ohm(50V DC)
Safe Overload 150% Full Scale
Ultimate Overload 200% Full Scale
Cable 420mm(3mm dia 4 wire shielding cable)

* Product Images are shown for illustrative purposes only and may differ from actual product


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