The SM-P23C load pin has a compact structure, a simple geometric shape, strong anti-torsion and anti-bending capabilities, stable performance and easy to install. It is widely used in the measurement of goods at ports and docks, as well as in the safety inspection of hoists and lifting equipment.
Description
The SM-P23C load pin has a compact structure, a simple geometric shape, strong anti-torsion and anti-bending capabilities, stable performance and easy to install. It is widely used in the measurement of goods at ports and docks, as well as in the safety inspection of hoists and lifting equipment.
Detailed Description
The material is made of high-performance alloy steel or stainless steel.
Characteristic
- Simple structure
- strong anti-eccentric load capacity.
- High measurement accuracy and stable performance.
Dimensions(In mm. 1mm=0.03937 inches)

Measurement Principle
The pin sensor utilizes the elastic deformation of an elastic body under the action of an external force, causing the resistance value of the resistance strain gauge adhered to its surface to change (increase or decrease). Then, through the corresponding measurement circuit, this resistance change is converted into an electrical signal (voltage or current), thereby completing the force measurement process.
Circuit Diagram:
Red: +input
Blue: -input
White: +output
Yellow: -output

Specification:
Type | Technical parameters |
Nominal load range | 0~3t |
Power supply | 10~12 VDC |
Drawing current | <100 mA |
Analog output | 1.0±0.015mV/V |
Class precision | 0.5%F.S |
Effect of temperature | 0.5%F.S/10℃ |
Operating temperature | -40~+85℃ |
Safe Load Limit | 200% F.S |
Safety margin against yielding | 300% F.S |
Safety margin against breakage | 500% F.S |
Material material | High performance alloy steel or (chromium ratio>15% stainless steel) |
Protection type | IP67 (IEC60529) |
Climate test | EN60068-2-30,DB55℃/100% |
Vibration resistance | EN60068-2-6,5-500Hz,50g,10mm |
Shock resistance | EN60068-2-27(half sine) 50g,11ms,1000shocks; 1000g,1ms,50shocks |
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