factory-direct s type load cell, built to the application-specific capacity and accuracy your project requires.
The WST404 is a s type 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.
WST404 aluminium alloy material S type load cell, It use to measure small capacity, The weight range of 2-100kg. It could use for Crane scale, tensile testing, test benches, hanging scale, Batching systems.

Complete technical parameters, as delivered from the factory.
| WST404 Technical Specifications | |||
|---|---|---|---|
| Rated Load | 2-100kg | Material | Aluminium alloy |
| Rated Output | 2.0mv±0.1/v | Ingress Protection | IP65 |
| Application | Crane scale, tensile testing, test benches, hanging scale, Batching systems | Rated Capacity(KG) | 2,5,10,20,30,50,100 |
| Input Resistance | 395±10 | Rated Output(mV/V) | 2.0±10% |
| Output Resistance | 350±5 | Nonlinearity | ±0.03%F.S |
| Insulation Resistance(MΩ) | ≥2000 | Hysteresis | ±0.02%F.S |
| Excitation, Recommended | 5~12VDC | Repeatability | ±0.02%F.S |
| Compensated Temperature Range | -10℃~+40℃ | Creep(30minutes) | ±0.03%F.S |
| Operating Temperature Range | -20℃~+60℃ | Zero Balance | ±2.00%F.S |
| Safe Overload | 150%FS | Temperature Effect on Zero | ±0.05%FS/10℃ |
| Ultimate Overload | 200%FS | Temperature Effect on Output | ±0.05%FS/10℃ |
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.
Inline force measurement in test rigs, materials testing machines and pull-push fixtures. The WST404 reads in both directions with matched output.
OIML-grade linearity
Suspended from hooks, shackles or crane blocks, the WST404 provides safe dynamic load readout for steel mills, scrap yards and shipping terminals.
multiple capacity options capacity
Inline mounting between structure and vessel converts net contents into a weight signal. Compatible with most weighing indicators and batching controllers.
IP-rated sealing
| Function | Wire Color |
|---|---|
| Excitation + (Exc+) | Red |
| Excitation − (Exc−) | Black |
| Signal + (Sig+) | Green |
| Signal − (Sig−) | White |
| Model | Capacity Range | Typical Application | Choose When |
|---|---|---|---|
| WST404 | — | This page | Current selection |
| WST408 | 100~300kg | S type load cell | Alternative model in the same class |
| WST407 | 1-200KN | S type load cell | Alternative model in the same class |
| WST406 | 2-200kg | S type load cell | Alternative model in the same class |
| WST405 | 2-1000N | S type load cell | Alternative model in the same class |
| WST403 | 2-100Ton | S type 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 WST404 meets standard industrial accuracy requirements. Full accuracy figures are listed in the specifications table above.
The WST404 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.
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.
WhatsApp: +86 158 2902 6027