Wheel shaped shear beam load cell for heavy-duty weighing
GY-3 Wheel Shaped Load Cell
UNICELL Sensors Heavy-Duty Load Cell Solutions
UNICELL Sensors GY-3 is a wheel shaped shear beam load cell designed for heavy-duty industrial weighing applications.
It offers good rigidity, strong side-force resistance, high output signal, overload self-locking structure and sealed protection for harsh working environments.
GY-3 is suitable for truck scales, railroad scales, scale testers, crane scales and heavy-duty industrial weighing systems.
| Wheel Shaped | Up to 4 mV/V | Truck / Rail Scales | IP67 / IP68 |
Product Overview
The GY-3 load cell is designed with a compact wheel-shaped structure for stable force transmission and reliable weighing performance. With strong mechanical design and sealed construction, it is a practical choice for demanding weighing systems.
| Main feature | Practical value |
|---|---|
| Wheel shaped load cell design | Compact structure for heavy-duty weighing and stable force transfer. |
| Shear beam sensing structure | Reliable measurement performance for industrial weighing systems. |
| Strong side-force resistance | Useful for truck scale, rail scale and crane scale applications. |
| Overload self-locking design | Helps protect the sensor structure in heavy-duty service conditions. |
| Sealed construction | Potted sealed or hermetically sealed construction with IP67 or IP68 protection. |
Applications
| Application | Typical use |
|---|---|
| Truck scales | Heavy-duty weighbridge and vehicle weighing systems. |
| Railroad scales | Rail weighing systems requiring strong mechanical structure. |
| Scale testers | Testing equipment and industrial force measurement applications. |
| Crane scales | Heavy-duty suspended or special weighing applications. |
Electrical Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Rated output | 2.00 ± 0.01 mV/V / 4.00 ± 0.015 mV/V | Input resistance | 385 ± 10 Ω / 765 ± 15 Ω |
| Nonlinearity | ±0.02% FS / ±0.03% FS | Output resistance | 350 ± 3 Ω / 700 ± 5 Ω |
| Hysteresis | ±0.02% FS / ±0.03% FS | Insulation resistance | ≥ 5000 MΩ |
| Repeatability | ±0.015% FS | Excitation voltage | 10 V DC/AC |
| Creep / 30 min | ±0.02% FS | Compensated temperature | -10°C to +50°C |
| Zero balance | ±1.00% FS | Operating temperature | -20°C to +60°C |
| Temperature effect on zero | ±0.02% FS / 10°C | Safe overload | 120% FS |
| Temperature effect on output | ±0.02% FS / 10°C | Cable | Ø6 × 9 m |
Capacity and Dimensions
The GY-3 load cell is available in different capacities for medium and heavy-duty weighing applications. Dimensions are shown in millimeters.
| Capacity / klb | Capacity / t | D | Ø | Ø1 | Ø2 | M1 | H | H1 | H2 | M2 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5 – 15 | 2 – 7.5 | 88.9 | 104.7 | 32 | 18 | M6 × 1.5 / 8-18 | 53.8 | 31.75 | 19 | M8 |
| 25 – 50 | 20 – 25 | 101.6 | 120.7 | 38.9 | 34 | M32 × 1.5 | 77.8 | 41.1 | 24 | M8 |
| 100 | 50 | 116.8 | 138 | 50.4 | 42 | M40 × 1.5 | 86.2 | 50.8 | 29 | M10 |
Mounting note: 5K, 10K and 100K models use 8 mounting holes. The 25K and 50K models use 4 mounting holes.
Wiring Color Code
| Function | Cable color |
|---|---|
| Excitation + / Input + | Red |
| Excitation – / Input – | Black |
| Signal + / Output + | Green |
| Signal – / Output – | White |
Installation Notes
- Install the load cell on a clean, flat and rigid mounting surface.
- Ensure that the load is applied vertically through the central loading area.
- Avoid side force, shock load, welding current and cable damage.
- Use proper mounting bolts and tighten according to the mechanical design requirements.
- Protect the cable and connector from water, oil and mechanical impact.
- Perform calibration and corner adjustment after installation.
Request Product Information
Contact UNICELL Sensors for GY-3 load cell availability, technical support, replacement guidance and quotation.
Genuine Products, Reliable Technical Support
www.unicellsensors.com | unicellsensors@gmail.com
All specifications are subject to change without prior notice.
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