Editorial Technical Reference

Weighing Platform

This page explains how Weighing Platform is classified within Chemical Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A precision weighing device that measures the mass of chemical drums during the filling process

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Weighing Platform

Definition
The weighing platform is a component of automated chemical drum filling and sealing systems. It provides real-time weight measurement of drums during filling, enabling accurate dosing by interfacing with the control system to regulate filling valves. This prevents overfilling or underfilling of hazardous chemicals. The platform uses load cells or strain gauge sensors that convert mechanical force into electrical signals. When a drum is placed on the platform, deformation in the load cells generates a proportional electrical output, which is amplified, filtered, and converted to a digital weight reading by the system controller. Available materials include stainless steel 316L, aluminum alloy, and high-strength steel. Key parameters include weighing capacity of 1000–3000 kg, accuracy of ±0.1% (OIML R76), platform dimensions from 800×600 to 1200×1000 mm, response time of 1–2 ms, environmental rating IP65–IP67 (IEC 60529), operating temperature -10 to 40 °C, power supply 24 V DC ±10%, material options 304–316L (ASTM A240), load cell type strain gauge, maximum safe overload 150% of capacity, communication interfaces RS232/RS485, and weight 50–150 kg. These values are reference ranges and must be verified for the specific model and application. The platform is designed for integration with PLCs and is suitable for corrosive environments when using 316L. It is essential to confirm model-specific specifications and compliance with relevant standards with the legal manufacturer or supplier before procurement.
Working Principle
The platform operates on the principle of load cell technology. Strain gauge sensors are mounted on the platform structure. When a drum is placed, the applied force causes deformation in the load cells, altering their electrical resistance. This change is converted into a voltage signal proportional to the weight. The signal is amplified, filtered, and digitized by the controller, providing a stable weight reading. The platform's response time is 1–2 ms, ensuring rapid measurement during filling. The system interfaces with the filling control system to adjust valve operation based on real-time weight data.
Common Materials
Stainless Steel 316L, Aluminum Alloy, High-Strength Steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Weighing CapacityRequired1000–3000 kgMaximum weight the platform can accurately measure
AccuracyRequired±0.1 %Measurement accuracy as percentage of full scaleOIML R76
Platform DimensionsRequired800×600–1200×1000 mmLength × Width of the weighing surface
Response TimeRequired1–2 msTime for platform to stabilize and provide accurate reading
Environmental RatingRequiredIP65–IP67 IP CodeIngress protection rating for dust and water resistanceIEC 60529
Operating Temperature-10–40 °COutside range may affect accuracy
Power Supply24 ±10% V DCExcitation for load cells and electronics
Material304–316L stainless steel316L for corrosive environmentsASTM A240
Load Cell TypeStrain gaugeHermetically sealed for washdown
Maximum Safe Overload150 % of capacityWithout permanent damage
Communication InterfaceRS232/RS485For PLC integration
Weight50–150 kgDepends on platform size and material

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Load Cell Assembly
    Converts mechanical force into electrical signals for weight measurement
    Material: Stainless Steel with Strain Gauges
  • Platform Deck Part
    Surface that supports the chemical drum during weighing
    Material: Stainless Steel 316L
  • Signal Amplifier
    Amplifies weak electrical signals from load cells for processing
    Material: Electronic Components on PCB
  • Leveling Feet
    Adjustable feet to ensure platform is level for accurate measurements
    Material: Stainless Steel with Rubber Pads
  • Overload Protection Part
    Mechanical stops to prevent damage from excessive weight
    Material: High-Strength Steel
  • Support Structure Part
    Provides rigidity and transfers load to mounting points
    Material: Steel or aluminum
  • Mounting Points Part
    Connection points for attaching to load cells or frame
    Material: Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Weighing Platform.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Ambient only (non-pressurized)
other spec: Max capacity: 2000 kg, Accuracy: ±0.1% of reading, Platform size: 1.2m x 1.2m
temperature: -10°C to 50°C
Media Compatibility
✓ Chemical powders (e.g., polymers, pigments) ✓ Liquid chemicals (e.g., solvents, acids in sealed drums) ✓ Granular materials (e.g., fertilizers, resins)
Unsuitable: Explosive atmospheres (ATEX zones) or environments with continuous vibration
Sizing Data Required
  • Maximum drum weight (including container)
  • Required accuracy (tolerance for filling process)
  • Platform dimensions vs. drum footprint

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Load cell fatigue failure
Cause: Repeated overloading beyond rated capacity causing micro-cracks and eventual fracture in strain gauges or structural components
Corrosion-induced signal drift
Cause: Moisture ingress or chemical exposure compromising electrical connections and load cell integrity, leading to inaccurate readings
Maintenance Indicators
  • Inconsistent or fluctuating weight readings under static load conditions
  • Visible corrosion, moisture accumulation, or physical damage to load cells or junction boxes
Engineering Tips
  • Implement regular calibration checks using certified test weights and maintain loading within 80% of rated capacity to prevent overstress
  • Install environmental protection measures including sealed junction boxes, desiccant packs, and proper drainage to prevent moisture and corrosion damage

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 376:2011 - Calibration of force-proving instruments used for the verification of uniaxial testing machines OIML R76-1 - Non-automatic weighing instruments CE Marking - Directive 2014/31/EU (NAWI) for non-automatic weighing instruments

Quoted from the published standard.

Manufacturing Precision
  • Platform flatness: ≤0.1 mm/m
  • Load cell accuracy: ±0.02% of applied load
Quality Inspection
  • Calibration verification with certified test weights
  • Environmental testing (temperature, humidity, vibration) per operating specifications

Manufacturers of Weighing Platform

3 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

HaiboSensor
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hiweigh Technologies Co., Ltd.
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Labirinth Microtest Electronics (Tianjin), Ltd.
Tianjin, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
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Manufacturing capability
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Inspection readiness
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Frequently Asked Questions

What is the weighing capacity range?

The reference range is 1000–3000 kg, but the exact capacity depends on the specific model. Always confirm with the manufacturer.

What accuracy can be expected?

The accuracy is ±0.1% of full scale, per OIML R76. However, actual accuracy may vary with installation and environmental conditions.

What communication interfaces are available?

The platform supports RS232 and RS485 interfaces for PLC integration. Verify compatibility with your control system.

What is the maximum safe overload?

The maximum safe overload is 150% of capacity without permanent damage. Exceeding this may cause sensor failure.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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