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Bearing sensor SM41A
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  • Bearing sensor SM41A

Bearing sensor SM41A

The bearing housing sensor is mainly installed under the bearing housing, but can also be used in other structural forms. It is a special sensor mainly used to measure the bearing capacity of a bearing housing. The structural principle is a shear-type resistance strain gauge sensor with fixed ends and central load bearing. High-quality alloy steel is used as the elastic body, and foil resistance strain gauges are used as the sensitive conversion element. The bearing housing is installed in the middle of the sensor, and the two ends of the sensor are fixed to the base. When the bearing housing is loaded, the load is transmitted to the base through the shear elastic beams at both ends, generating strain in the elastic beams that is proportional to the load. This strain is converted into a corresponding electrical signal by the strain gauge.

1. Overview

Bearing Housing Sensor Mainly installed under the bearing housing, it can also be used in other structural forms. It is a special sensor for measuring the bearing capacity of a bearing housing. The structural principle is a shear-type strain gauge sensor with fixed ends and central load bearing. High-quality alloy steel is used as the elastic body, and foil strain gauges are used as the sensitive conversion element. The bearing housing is installed in the middle of the sensor, and the two ends of the sensor are fixed to the base. When the bearing housing is loaded, the load is transmitted to the base through the shear elastic beams at both ends, generating strain proportional to the load in the elastic beams, which is converted into a corresponding electrical signal by the strain gauge.


2. Features

Strong anti-interference ability, easy installation and use   Good stability

The flat shape makes the stress state stable, the lateral interference is good, and higher measurement accuracy can be obtained.

Strong overload capacity, used for overload alarm of bridge cranes .


Dimensions Dimensions    In mm. 1mm=0.03937 inches


Circuit Diagram Circuit Diagram:


Specification Technical Parameters

Item Type

Technical Parameters

Measuring Range
Nominal load range

2.5t

Operating Voltage  
Power supply

10~12 VDC

Zero Balance

Zero balance

1.0 ± % of rated output

Analog Output  
Analog output

1 .0±0.0 1mV/V

Input Impedance

Input resistance(Rlc)

350 ± 5 Ω ohms

Output Impedance

Output resistance(Ro)

350 ± 5 Ω ohms

Insulation Resistance

Insulation resistance

5000 M Ω( Mege-Ohms

Overall Accuracy  
Class precision

0.5 %FS

Temperature Drift  
Effect of temperature

    0.2 %FS/10℃

Operating Temperature  
Operating temperature

-40 +85℃

Safe Overload  
Safe Load Limit

200% FS

Yield Strength   
Safety margin against yielding

300% FS

Breaking Strength  
Safety margin against breakage

500% FS

Material
Material

High performance alloy steel

Protection Type  
Protection type

IP67

Keywords:

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