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The link type (tension ring type) weighing sensor is a tension specific sensor, which is installed in series with a shackle. It is mainly used for monitoring the tension of lifting and hoisting, hook scales, sling tension detection, ship traction, and winch tension testing. Widely used in ports, steel mills, metallurgy, lifting equipment, wind power hoisting, bridge anchor monitoring, engineering force measurement, real-time collection of tensile loads for overload protection, hoisting safety monitoring, and tensile test detection.
Product Specifications
Product Specification
|
Parameter Item |
Specification Range |
|
Rated Capacity |
4t (typical, 8800 lb) |
|
Resolution |
0.002t (approx. 2kg) |
|
Protection Class |
IP67 / NEMA6 |
|
Operating Temperature |
-10℃ ~ +50℃ |
|
Design Safety Factor |
4:1 |
|
Wireless Communication |
Bluetooth, transmission distance up to 100m |
|
Parameter Item |
Specification Range |
|
Rated Capacity |
5, 7.5, 12.5t |
|
Accuracy Class |
C3 |
|
Sensitivity |
2.0±0.005 mV/V |
|
Non‑linearity |
≤0.02% F.S |
|
Hysteresis |
≤0.02% F.S |
|
Repeatability |
≤0.01% F.S |
|
Creep (30 min) |
≤0.02% F.S |
|
Compensated Temperature Range |
-10～+40℃ |
|
Operating Temperature Range |
-30～+70℃ |
|
Temperature Effect Span |
0.002% F.S/℃ |
|
Temperature Effect Zero |
0.002% F.S/℃ |
|
Zero Output |
±1% F.S |
|
Input Impedance |
380±5Ω |
|
Output Impedance |
350±1Ω |
|
Insulation Resistance |
≥5000MΩ (50VDC) |
|
Safe Overload |
150% F.S |
|
Ultimate Overload |
200% F.S |
|
Excitation Voltage |
5～12V (DC) |
|
Protection Class |
IP67 |
|
Material |
Alloy steel (Nickel‑plated surface) |
Advantages
In line online monitoring without changing the original structure
High precision and wireless intelligence
Ultimate environmental protection and safety design
High temperature resistance and high reliability of chain plate system
Application Areas
Transportation and rigging industry
Lifting and hoisting equipment
Cement, metallurgy, and chemical industries
Industrial process weighing and testing
FAQ
Q1: What is the difference between chain tension monitoring sensors and ordinary tension sensors?
The core difference lies in installation adaptability. The chain tension sensor is specifically designed to be used in conjunction with joints and accessories of standard chains (such as 3/8-inch G100 chains), and is directly connected to the chain through a pin shaft. Ordinary tension rod sensors (such as the LC702 series) typically have threaded interfaces at both ends, suitable for connection methods such as wire ropes and tension rods.
Q2: What is the practical value of the wireless function of the chain weighing sensor?
The wireless function allows operators to monitor load changes from a safe distance of 100 meters. At the same time, alarm settings (overload/underload), data recording, time tagging, batch data export and other functions can be achieved through the smartphone app, improving the level of on-site safety management.
Q3: What is the measurement accuracy of the chain plate weighing system?
The dynamic cumulative measurement accuracy of chain plate scales is usually better than ± 1%, and the static calibration accuracy can be better than ± 0.5%. Although this accuracy is not as good as that of trade settlement level platform scales, it is sufficient to meet the needs of process control and ingredient measurement in industries such as cement and metallurgy.
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