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SM46A pull sensor
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  • SM46A pull sensor

SM46A pull sensor

The SM46A series of tension sensors is designed for measuring a wide range of static or dynamic tensile forces. Particularly suitable for harsh field environments where durability and technical reliability are critical, this product can be designed to meet various application needs according to general standards or customized designs. Examples include various crane scales and overload protection devices for cranes. If the machinery has special requirements for the shape or interface of the tension sensor, our company can design and customize it according to the requirements. The SM46A series of tension sensors are equipped with standard current interfaces, CAN bus interfaces, or wireless sensor network interfaces.

1. Overview     

SM46 A Series of tension sensors are specifically designed for measuring a wide range of static or dynamic tensile forces. Especially in field applications where harsh working environments demand high durability and technical reliability, This product can be designed according to general standards or customized to meet the needs of various applications, such as: Various crane scales, overload protection devices for cranes etc.

If the machinery has special shape or interface requirements for the tension sensor, our company can design and customize it according to the requirements. SM46 A The series of tension sensors are equipped with standard current interface, CAN bus interface or wireless sensor network interface.


2. Features

Tensile measurement range from 1 t to 25 t optional;

High reliability design;

Multiple measurement signal output schemes: Analog standard signal output, digital bus output, wireless sensor network output;

Accuracy class 0.3

The measuring body material uses high-performance alloy steel or stainless steel;

Safety overload range of the measuring body 200% F·S

Industrial design, protection level IP67;

Operating temperature range from -40 ℃ to +85

ESD electrostatic protection, EFT transient suppression; SPD surge protection;

Power supply and signal reverse polarity protection; External steel connector protective cover.


Dimensions Dimensions    In mm. 1mm=0.03937 inches


Circuit Diagram Circuit Diagram:


Specification Technical Parameters

Item Type

Technical parameters

Measurement Range
Nominal load range

2 ~ 15 t

Operating Voltage  
Power supply

10~12 VDC

Current Consumption

Drawing current

<100 mA

Zero Balance

Zero balance

1.0 ± % of rated output

Analog Output  
Analog output

2.0±0.015mV/V

Input Impedance

Input resistance(Rlc)

380 ± 10 Ω ohms

Output Impedance

Output resistance(Ro)

350 ± 5 Ω ohms

Insulation Resistance

Insulation resistance

5000 M Ω( Mege-Ohms

Overall Accuracy  
Class precision

0.3%FS

Temperature Drift  
Effect of temperature

0.3%FS/10℃

Operating Temperature  
Operating temperature

-40 ~ +85℃

Safety Overload  
Safe Load Limit

200% FS

Safety margin against yielding   
Safety margin against yielding

300% FS

Safety margin against breakage  
Safety margin against breakage

500% FS

Material
Material

High performance alloy steel or (chromium ratio>15% stainless steel)
High performance alloy steel or (chromium ratio>15% stainless steel)

Protection Type  
Protection type

IP67/IP68

Keywords:

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