factory-direct shear beam load cell, built to the application-specific capacity and accuracy your project requires.
The WST303 is a shear beam load cell. All figures on this page come from the factory parameter sheet — what you read here is what ships.
Contact our engineers for the complete datasheet and design-in support.
WST303 belt scale uses bellows type bending beam load cell, It is stainless steel material, It could use on Silo or hopper weighing system, floor scale, belt scale.
Complete technical parameters, as delivered from the factory.
| WST303 Technical Specifications | |||
|---|---|---|---|
| Material | Alloy steel or stainless steel, surface anodic oxidation treatment | Rated Load | 10-1000kg |
| Rated Output | 2.0 mV/V | Ingress Protection | IP68 |
| Application | Silo or hopper weighing system, floor scale, belt scale | Comprehensive Precision | 0.02~0.05% FS |
| Sensitivity | 2.0 mV/V | Creep | ±0.02% FS/30min |
| Zero Output | ±1% FS | Temperature Effect On Zero | ±0.02% FS/10℃ |
| Temperature Effect On Output | ±0.02% FS/10℃ | Operating Temperature Range | -20~+65 ℃ |
| Input Resistance | 380±10 Ω | Output Resistance | 350± 3 Ω |
| Insulation Resistance | ＞5000 MΩ | Safe Load Limit | 150% FS |
| Bridge Voltage | Reference 10V DC | Load Cell Mode Of Connection | Input+: Red |
Direct manufacturing with 10+ years of OEM/ODM experience — custom capacities, connectors, cable lengths and branding.
Send your capacity, application and annual quantity — pricing, datasheet and sample options within 12 hours on business days.
Every unit is factory calibrated and inspected before dispatch; parameters on this page reflect shipped goods.
Mounted under weighbridge sections the WST303 delivers the long-term stability required for legal-for-trade vehicle weighing and weigh-in-motion systems.
multiple capacity options rated
Track net material flow in batching, mixing and storage vessels. Immune to lateral forces from augers and discharge gates, ideal for process lines.
OIML-grade FS
Dairy, brewing, chemical and water-treatment plants use the WST303 as the load-bearing element of process tanks where hygiene and corrosion resistance matter.
metal-alloy body
| Function | Wire Color |
|---|---|
| Excitation + (Exc+) | Red |
| Excitation − (Exc−) | Black |
| Signal + (Sig+) | Green |
| Signal − (Sig−) | White |
| Model | Capacity Range | Typical Application | Choose When |
|---|---|---|---|
| WST303 | — | This page | Current selection |
| WST302 | 0.05-20t | Shear beam load cell | Alternative model in the same class |
| WST301 | 100kg-10Ton | Shear beam load cell | Alternative model in the same class |
Not sure which model fits your design? Send us your platform size, target capacity and environment — our engineers will recommend the right sensor within 12 hours.
The WST303 meets standard industrial accuracy requirements. Full accuracy figures are listed in the specifications table above.
The WST303 is available in multiple capacity steps. For requirements outside the listed range, contact us — OEM capacities can often be arranged.
Protection class details are listed in the specifications table. Ask our engineers if your environment includes wash-down, immersion or corrosive conditions.
It provides a standard industry output signal, compatible with standard weighing indicators, transmitters and PLC analog inputs.
Standard wiring follows the industry convention: excitation + red, excitation − black, signal + green, signal − white. Always confirm against the datasheet shipped with your batch.
Use the inquiry form on this page or WhatsApp us directly — we reply within 12 hours on business days. Tell us your capacity step, target annual quantity and application, and we will send pricing, the datasheet PDF and sample availability. OEM/ODM options (custom labeling, connectors, cable lengths) are available on request.
Full dimension drawings, performance curves and calibration data — sent to your inbox within 12 hours.
Deepen your selection — application guides, accuracy-class comparisons and installation notes written for B2B engineers.
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Read article →Tell us your capacity step, application and annual quantity. Our engineers reply with pricing, datasheet PDF and sample options within 12 hours on business days.
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