Products for USB Sensing and Control

Products for USB Sensing and Control

PHIDGETS Inc.

Unit 1 - 6115 4 St SE
Calgary AB  T2H 2H9
Canada
+1 403 282-7335

Micro Load Cell (0-780g) - CZL616C

ID: 3132_0

This load cell measures shear force up to 780g and connects to a bridge input.

$6.00

Quantity Available: 974

Qty Price
5 $5.76
10 $5.52
25 $5.40
50 $5.28
100 $5.16

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.

Connection

Load cells require a power source and produce a very small voltage differential when under strain. In order to read this signal, an amplifier or a board with a high-precision analog-to-digital converter is required. For more details and a list of Phidgets that will connect to this load cell, see the "Compatible Products" tab.

Warning

warning Make sure to calibrate your load cell before using it. You can find information on how to calibrate the cell in the Load Cell Primer. You should also have a look at the User Guide for the bridge interface board that you're using to read the load cells.

Product Specifications

Sensor Properties
Controlled By Bridge Input
Sensor Type Shear Load Cell
Weight Capacity Max 780 g
Maximum Overload 936 g
Creep 1.6 g/hr
Zero Balance ± 11.7 g
Cell Repeatability Error Max ± 390 mg
Cell Non-Linearity Max 390 mg
Cell Hysteresis Max 390 mg
Temperature Effect on Span 39 mg/°C
Temperature Effect on Zero 39 mg/°C
Electrical Properties
Rated Output 800 μV/V
Rated Output Error Max ± 100 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 200 mm
Cable Gauge 30 AWG
Material Aluminium Alloy (LY12CZ)
Screw Thread Size M3x0.5

Documents

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

Projects

Bridge Interfaces

FUNCTIONAL FUNCTIONAL

Load cells and strain gauges produce a very tiny voltage differential and must be read by a high-resolution analog-to-digital converter. You can connect this load cell to a bridge interface as described in this table:

Wire Color Red Green White Black
Bridge Connector 5V + - GND
The following bridge interfaces can be used with this load cell:

Product Board
Image Part Number Price Controlled By Number of Bridge Inputs
1046_0 $90.00 USB 4
DAQ1500_0 $30.00 VINT 2

Check out our load cells:

Product Sensor Properties
Image Part Number Price Sensor Type Weight Capacity Max Creep Zero Balance Cell Repeatability Error Max Cell Non-Linearity Max Cell Hysteresis Max
3132_0 $6.00 Shear Load Cell 780 g 1.6 g/hr ± 11.7 g ± 390 mg 390 mg 390 mg
3133_0 $7.00 Shear Load Cell 5 kg 5 g/hr ± 75 g ± 2.5 g 2.5 g 2.5 g
3134_0 $7.00 Shear Load Cell 20 kg 20 g/hr ± 300 g ± 10 g 10 g 10 g
3135_0 $7.00 Shear Load Cell 50 kg 50 g/hr ± 750 g ± 25 g 25 g 25 g
3136_0 $45.00 Compression Load Cell 50 kg 20 g/hr ± 500 g ± 100 g 100 g
3137_0 $45.00 Compression Load Cell 200 kg * 40 g/hr * ± 2 kg * ± 200 g * 400 g
3138_0 $45.00 Compression/Tension Load Cell 100 kg
3139_0 $7.00 Shear Load Cell 100 g ± 50 mg 50 mg 50 mg
3140_0 $50.00 Compression/Tension Load Cell 500 kg
3141_0 $50.00 Compression Load Cell 1 Mg