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Weighing module

WST803 silo hopper scale use weighing module load cell 2Ton 3Ton

factory-tuned weighing module for silo hopper scale OEM integration.

Get a Quote Request Datasheet
Rated Load 5-50KN Material Alloy steel or stainless steel Rated Output 2.0mv/v Accuracy Class ±0.02%F.S Ingress Protection IP65
weighing module load cell
Silo use weighing module
hopper scale use weighing module
Factory overload tested
Factory-calibrated output
Sealed protection
OEM & ODM Available
Overview

What Is the WST803 silo hopper scale use weighing module load cell 2Ton 3Ton?

The WST803 is a weighing module designed for OEM integration and custom equipment builds.

↓ See the full specifications table

WST803 dimension drawing
WST803 outline dimensions
In Detail

WST803 in Detail

WST803 silo hopper scale use weighing module load cell, A weighing module is essentially an industrial weighing element that integrates a load cell, connectors, mounting plate, and other components into a single unit. It allows for the easy conversion of equipment such as hoppers and reaction vessels into precise weighing systems. Its development not only preserves the high accuracy and stability of the load cell but also eliminates weighing errors caused by improper installation.

The weighing module has an automatic centering function, anti-eccentric load, and is easy to install. Widely used in belt scale, hopper scale, warehouse-scale, charging bucket, material mechanics testing machine, labor safety testing equipment, etc.

China load cell

Technical Data

WST803 Full Specifications

Complete technical parameters, as delivered from the factory.

WST803 Technical Specifications
Rated Load 5-50KN Material Alloy steel or stainless steel
Rated Output 2.0mv/v Accuracy Class ±0.02%F.S
Ingress Protection IP65 Comprehensive Error ±0.02～0.05%F.S
Excitation, Recommended 10VDC Safe Overload 150%F.S
Zero Balance ±1%F.S UItimate Overload 200%F.S
Creep ±0.02%F.S/30min Insulation Resistance ≥5000MΩ(50VDC)
Input Resistance 380±10Ω Cable 4-Wire Shielded Cable
Output Resistance 350±3Ω Cable Length <5t,3m;≥5t,6m
Temp. Effect on Output ±0.02%F.S/10℃ Temp. Effect on Zero ±0.02%F.S/10℃
Wiring Code Exc+:Red Exc-:Black Operating Temp. Range -20～+65℃
Why the WST803

Performance That Matters to Equipment Builders

OEM

Factory-Direct Supply

Direct manufacturing with 10+ years of OEM/ODM experience — custom capacities, connectors, cable lengths and branding.

12h

Fast Engineering Response

Send your capacity, application and annual quantity — pricing, datasheet and sample options within 12 hours on business days.

100%

Inspected Before Shipment

Every unit is factory calibrated and inspected before dispatch; parameters on this page reflect shipped goods.

Applications

Where the WST803 Works Best

Tank & Hopper Weighing Modules

Self-aligned, lift-off protected modules integrate the WST803 into a self-contained mounting kit — drop onto legs of any tank, hopper or reactor and start weighing.

Drop-in kit

Silo Mounting Kits

Pre-engineered silicone-pad or rocker-pin kits pair three or four WST803 units with a junction box — for a complete silo weighing installation.

3- or 4-point

Reactor Vessel Weighing

Pharmaceutical, food and chemical reactors mount on weigh modules built around the WST803 — giving direct net-weight readout for batch control and inventory.

Sanitary option

Installation

Wiring & Installation Reference

4-Wire Connection

FunctionWire Color
Excitation + (Exc+)Red
Excitation − (Exc−)Black
Signal + (Sig+)Green
Signal − (Sig−)White

Electrical Notes

  • Shielded cable; keep away from motor/power runs, ground the shield at the indicator side

Mounting Checklist

  1. Mount on a rigid, flat base
  2. Torque mounting screws evenly; avoid over-torque that preloads the measuring element
  3. Keep the load applied through the intended loading axis; verify alignment before calibration
  4. Verify zero balance before calibration, then calibrate with certified test weights
WST803 installation detail
WST803 construction detail
Selection Guide

WST803 vs Other Vektorforce Weighing module

ModelCapacity RangeTypical ApplicationChoose When
WST803 — This page Current selection
WST809 2~100 kN Weighing module Alternative model in the same class
WST808 150～3000(kN) Weighing module Alternative model in the same class
WST807 3～100(kN) Weighing module Alternative model in the same class
WST806 2~100 kN Weighing module Alternative model in the same class
WST805 3Ton 5Ton Weighing module 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.

FAQ

Frequently Asked Questions About the WST803

What accuracy class is the WST803?

The WST803 meets standard industrial accuracy requirements. Full accuracy figures are listed in the specifications table above.

What capacities are available for the WST803?

The WST803 is available in multiple capacity steps. For requirements outside the listed range, contact us — OEM capacities can often be arranged.

What does the protection rating mean in practice?

Protection class details are listed in the specifications table. Ask our engineers if your environment includes wash-down, immersion or corrosive conditions.

What output signal does the WST803 provide?

It provides a standard industry output signal, compatible with standard weighing indicators, transmitters and PLC analog inputs.

How is the WST803 wired?

Standard wiring follows the industry convention: excitation + red, excitation − black, signal + green, signal − white. Always confirm against the datasheet shipped with your batch.

How do I get a quote, samples or the datasheet PDF?

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.

Need the complete WST803 datasheet PDF?

Full dimension drawings, performance curves and calibration data — sent to your inbox within 12 hours.

Request Datasheet WhatsApp Us
Related Products

Other Weighing module

WST809 WST8092~100 kN · Weighing module WST808 WST808150～3000(kN) · Weighing module WST807 WST8073～100(kN) · Weighing module WST806 WST8062~100 kN · Weighing module
Get a Quote

Request Your WST803 Quote

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.

  • Factory-direct pricing, no middlemen
  • OEM / ODM: custom labeling, connectors, cable lengths
  • Engineering support for design-in

WhatsApp: +86 158 2902 6027

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