Load Cell - 40 Kg

Weighing Scale Application

Load Cell - 40 Kg

Sunrom Part# 3763

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A load cell is a transducer that is used to convert a force into electrical signal. 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.

Wiring Identifier

The wiring of load cell consist of four wires (Plus one cable shielding, optional). The wires are as below. The RED/BLACK are usually given DC excitation voltage. While the GREEN/WHITE are taken as sensing output.





Single Point Load Cell

Total Precision

C3 class


Aluminum Alloy


Anodized Treatment



Suggested Platform Size

350 x 350 mm


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


0.017% Full Scale


0.02% Full Scale


0.01% Full Scale


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


420mm(3mm dia 4 wire shielding cable)


Bestselling Products

Sunrom Electronics & Sunrom Technologies are two companies, that are the foremost online e-commerce stores since 2004, providing innovative embedded systems, components & services. Our aim is to empower you to Make In India. We work closely with electronics manufacturing companies & individuals to understand & solve the challenges faced during production. We do not just sell things, We use them ourselves in our products, and provide you with high quality tested components for trouble free experience.

  • Sunrom Electronics
  • GSTIN: 24AFBPT4632H1ZJ
  • Sunrom Technologies
  • GSTIN: 24AJLPP4029L1ZW
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