LSB302 play_arrowFSH04206

S-Beam Tension and Compression Load Cell

LSB302 , 50 lb , Tension & Compression Load Cell , RoHS Compliant, Material - 2024-T4 , M6x1-Thread , Overload Protection , 4 Pin Lemo Receptacle, EGG.0B.304.CLL
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In Stock
Listed price is in U.S. currency and subject to verification along with availability
LSB302 s beam load cell
LSB302 s beam load cell
LSB302 s beam load cell
LSB302

 

 

Structurally, a force sensor load cell is made of a metal body (also called flexure) to which foil strain gauges are bonded. The sensor body is usually made of aluminum or stainless steel, which gives the sensor two important characteristics: (1) provides the sturdiness to withstand high loads and (2) has the elasticity to minimally deform and return to its original shape when the force is removed.

 

When force (tension or compression) is applied, the metal body acts as a “spring” and is slightly deformed, and unless it is overloaded, it returns to its original shape. As the flexure deforms, the strain gage also changes its shape and consequently its electrical resistance, which creates a differential voltage variation through a Wheatstone Bridge circuit. Thus, the change in voltage is proportional to the physical force applied to the flexure, which can be calculated via the load cell circuit voltage output. The image below highlights how the EDM wire-cut functions as a mechanical barrier that protects the sensor from overloading.

 

strain gauge types of force sensors what is a force sensor how a force sensor works working principle
Fig. 1: Strain gauge deformation in both tension and compression. 

 

Specifications
Calibration
Electrical
Mechanical
Performance
Temperature
Zero
CHANNELMINTYPMAXUNIT
Calibration Excitation
1
10
Vdc
Shunt Calibration
1
150
kOhm
Excitation
1
1
20
Vdc
Input Resistance
1
1000
Ohms nom.
Insulation Resistance
1
500
Mohms @ 50 Vdc
Safe Overload
1
1000
% of R.O.
Capacity
1
50
lbs
Hysteresis
1
-0.05
0.05
% of R.O.
Nonlinearity
1
-0.05
0.05
% of R.O.
Nonrepeatability
1
-0.05
0.05
% of R.O.
Output Resistance
1
1000
Ohms nom.
Rated Output
1
2
mV/V nom.
Compensated Temperature
1
60
160
F
Operating Temperature
1
-40
176
F
Temperature Shift Span
1
-0.0008
0.0008
% of Load/F
Temperature Shift Zero
1
-0.001
0.001
% of R.O./F
Zero Balance
1
-1
1
% of R.O.
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