factory-direct wireless dynamometer, built to the application-specific capacity and accuracy your project requires.
The WST903 is a wireless dynamometer designed for OEM integration and custom equipment builds.
WST903 wireless tension load links, Accurate and reliable tensile load monitoring for lifting applications. Designed for easy mobility, our load links are perfect for on-the-go applications. The application like Port equipment, Crane measure the weight, Boat use, Water bag calibrate use.
Size Chart(mm)：
FEATURES
Complete technical parameters, as delivered from the factory.
| WST903 Technical Specifications | |||
|---|---|---|---|
| Rated Load | 1-200Ton | Display | LCD type display |
| Accuracy Class | 0.05% for 1-50t, 0.1% for above 50t capacity | Material | Alloy steel or aluminium alloy |
| Application | Port equipment, Crane measure the weight, Boat use, Water bag calibrate use | Shackles | High tension industrial standard G2130 anchor shackle bows,galvanized finish |
| Gravity regulation | The acceleration of gravity can be regulated through indicator parameter setting according to different places value | Functions | wireless indicator with many functions:Zero,tare,Low battery warnings,peak hold,overload warning.User calibration(with password) |
| Set-Point | Two user programmable Set-Point can be used for safety and warning applications or for limit weighing | Package | Packed with carry case,easy to bring |
| Co mmunication | RS232 output | MODEL | Cap. (t) / A / B / C / D / E / F / G / 2-Φ / N.W.(kg) |
| WST903-5 | 5 / 190 / 110 / 60 / 137 / 65 / 30 / 70 / 27 / 2.6 | WST903-10 | 10 / 245 / 110 / 70 / 168 / 65 / 36 / 76 / 41 / 4.3 |
| WST903-20 | 20 / 312 / 110 / 94 / 206 / 65 / 45 / 85 / 54 / 8.5 | WST903-30 | 30 / 370 / 110 / 114 / 246 / 65 / 50 / 90 / 60 / 14 |
| WST903-50 | 50 / 460 / 110 / 140 / 309 / 65 / 60 / 100 / 73 / 25 | WST903-100 | 100 / 580 / 110 / 180 / 389 / 65 / 80 / 120 / 99 / 53 |
| WST903-150 | 150 / 690 / 110 / 220 / 456 / 65 / 90 / 130 / 112 / 89 | WST903-200 | 200 / 800 / 110 / 250 / 534 / 65 / 100 / 140 / 134 / 128 |
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.
Handheld wireless force gauges built around the WST903 stream peak, average and trigger data to a phone or tablet over Bluetooth — no cable, no logger.
Bluetooth link
Crane-safe shackle-mounted dynamometer based on the WST903 transmits load + boom angle to operator displays — for safer lifting and overload alarms.
Long-life battery
Rigging crews, lifting equipment inspectors and inspectors verify slings, shackles and winches with a wireless dynamometer built on the WST903 — readings captured straight to mobile device.
Mobile-recorded
| Function | Wire Color |
|---|---|
| Excitation + (Exc+) | Red |
| Excitation − (Exc−) | Black |
| Signal + (Sig+) | Green |
| Signal − (Sig−) | White |
| Model | Capacity Range | Typical Application | Choose When |
|---|---|---|---|
| WST903 | — | This page | Current selection |
| WST907 | 1-200Ton | Wireless Dynamometer | Alternative model in the same class |
| WST906 | 5-30Ton | Wireless Dynamometer | Alternative model in the same class |
| WST905 | 20-500Ton | Wireless Dynamometer | Alternative model in the same class |
| WST904 | 1-200Ton | Wireless Dynamometer | Alternative model in the same class |
| WST902 | 1-200Ton | Wireless Dynamometer | 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 WST903 meets standard industrial accuracy requirements. Full accuracy figures are listed in the specifications table above.
The WST903 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.
WhatsApp: +86 158 2902 6027
