20 Kg Micro Load Cell

20 Kg Micro Load Cell

PTR004417
10,82 €
Com IVA

20 Kg Micro Load Cell

A load cell is a force sensing module - a carefully designed metal structure, with small elements called strain gauges mounted in precise locations on the structure. Load cells are designed to measure a specific force, and ignore other forces being applied.

 

20 Kg Micro Load Cell

A load cell is a force sensing module - a carefully designed metal structure, with small elements called strain gauges mounted in precise locations on the structure. Load cells are designed to measure a specific force, and ignore other forces being applied. The electrical signal output by the load cell is very small and requires specialized amplification. Fortunately, the 1046 PhidgetBridge will perform all the amplification and measurement of the electrical output.

Load cells are designed to measure force in one direction. They will often measure force in other directions, but the sensor sensitivity will be different, since parts of the load cell operating under compression are now in tension, and vice versa.

This Single Point Load Cell is used in small jewelry scales and kitchen scales. It’s mounted by bolting down the end of the load cell where the wires are attached, and applying force on the other end in the direction of the arrow. Where the force is applied is not critical, as this load cell measures a shearing effect on the beam, not the bending of the beam. If you mount a small platform on the load cell, as would be done in a small scale, this load cell provides accurate readings regardless of the position of the load on the platform.

Product Specifications

Sensor Properties

Sensor Type Shear Load Cell
Weight Capacity Max 20 kg
Maximum Overload 24 kg
Creep 20 g/hr
Zero Balance ± 300 g
Cell Repeatability Error Max ± 10 g
Cell Non-Linearity Max 10 g
Cell Hysteresis Max 10 g
Temperature Effect on Span 1 g/°C
Temperature Effect on Zero 2 g/°C

Electrical Properties

Rated Output 1 mV/V
Rated Output Error Max ± 150 μV/V
Output Impedance 1 kΩ
Supply Voltage Max 5 V DC

Physical Properties

Compensated Temperature Min -10 °C
Compensated Temperature Max 40 °C
Operating Temperature Min -20 °C
Operating Temperature Max 55 °C
Cable Length 550 mm
Cable Gauge 30 AWG
Material Aluminium Alloy (LY12CZ)
Screw Thread Size M5x0.8

Resources

The Data Sheet below has a comprehensive glossary that describes in practical terms the meaning and usefulness of the specifications.

Connection

The 3134 connects to a bridge on the 1046 – PhidgetBridge 4-Input

FUNCTIONAL

The following table shows how to connect the Load Cell Wires to the bridge connectors.

Wire Color Red Verde White Black
Bridge Connector 5V + - GND

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