Hopperand Silo Calibration Services

  • Quick Turnaround Guaranteed

    We understand that time is critical. That’s why we prioritise fast, efficient service without compromising on quality or accuracy. Whether on-site or in-house, our streamlined processes ensure minimal downtime and maximum reliability—every time.

  • On-site Calibration Service

    Our expert technicians come to you, providing convenient and efficient calibration at your location. Minimise downtime and maintain compliance with our fully equipped mobile calibration units—delivering accuracy, reliability, and quick turnaround on-site.

  • NATA Accredited

    Our calibration services are NATA accredited to ISO/IEC 17025, ensuring the highest standards of accuracy, reliability, and compliance. Trust in certified expertise backed by over 33 years of industry experience.

    Since 1992 NATA Accredited (ISO/IEC 17025) – includes compliance with AS 1379.

    Read More

  • 24-Hour Breakdown Service

    We offer round-the-clock support to minimise downtime and keep your operations running. Our 24-hour breakdown service ensures fast response and expert assistance whenever you need it most.

Independent Scale Service (ISS) offers expert calibration of industrial hoppers and silos—essential equipment for maintaining production accuracy and operational efficiency. Our team of experienced Calibration Engineers is specially trained in calibrating these systems to ensure optimal performance and minimal downtime.

To streamline on-site service, ISS operates a custom-designed calibration truck equipped with a crane, enabling quick access to complex or hard-to-reach locations. All our calibration procedures are NATA Accredited to ISO/IEC 17025 standards. We also provide AS1379 compliance certificates where required.

Calibration Capabilities:

•   0 to 15,000 kg – NATA Accredited (ISO/IEC 17025)

•   0 to 50,000 kg – Traceable Calibration

Hopper and Silo Repair & Maintenance Services:

ISS offers complete repair and support solutions, including:

•   Electrical & mechanical fault diagnosis

•   Load cell supply, testing, replacement, cabling, and calibration

•   Supply and installation of junction boxes, surge arrestors, and summing circuits

•   Weighing indicator supply, installation, programming, replacement, and calibration

•   Emergency response for breakdowns or lightning strikes with full diagnosis and repair

1 of 10

SpareParts In Stock

To minimise downtime, ISS keeps a wide range of spare parts and components readily available from leading brands:

Commonly Stocked Items:

  • Load Cells
  • Weighing Indicators
  • Junction Boxes
  • Threaded Rods & Nuts
  • Food& Beverage Industry

    • Storing grains, flour, sugar, spices, coffee beans, and dairy powders
    • Feeding ingredients into processing lines
  • Agriculture

    • Grain storage, feed mixing, and seed handling
    • Fertiliser and animal feed distribution
  • Construction& Concrete

    • Cement, sand, and aggregate storage
    • Precise batching of materials for concrete production
  • Mining& Minerals

    • Storage and controlled discharge of ores, coal, and minerals
    • Dust control and bulk material transport
  • Chemical& Pharmaceutical

    • Handling of powders, resins, and chemical compounds
    • Ensuring safe, contamination-free storage
  • Plastics& Recycling

    • Pellet storage and feeding in manufacturing
    • Sorting and storing recycled materials
  • Manufacturing& Industrial

    • Storing raw materials such as metal powders or components
    • Integration with automated weighing and batching systems

Compliance with International Standards – Hopper and Silo Calibration

At Independent Scale Service (ISS), we ensure that all hopper and silo calibration services are carried out in full compliance with recognized national and international standards. Our procedures are designed to meet strict industry requirements for accuracy, traceability, and safety.

  • NATAAccredited – ISO/IEC 17025

    Our calibration services are accredited by the National Association of Testing Authorities (NATA) under ISO/IEC 17025, the global benchmark for testing and calibration laboratories. This guarantees technical competence and traceability to international measurement standards.

  • AS1379– Specification for the Supply of Concrete

    We offer AS1379-compliant calibration certificates, required by many in the concrete and construction industries to ensure consistent and accurate batching of materials.

  • TraceableCalibration up to 50,000 kg

    For non-accredited needs, we also provide traceable calibration certificates using reference standards that are regularly verified and maintained.

End-to-EndService You Can Rely On

From fault diagnosis to supply, installation, and calibration, ISS provides a complete one-stop solution for hopper and silo systems—with minimal disruption to your operations.

Ensuring Precision and Optimal Performance

Calibrating hoppers is a critical service in industries that rely on precise material handling and distribution. From agriculture to manufacturing, accurate hopper calibration ensures the efficiency, safety, and cost-effectiveness of operations. This document explores the importance, process, benefits, and best practices for hopper calibration services.

  • Introduction to Hopper Calibration

    Hopper calibration involves the adjustment and verification of hopper systems to ensure they dispense or measure materials accurately. Whether dealing with grains, powders, chemicals, or other bulk materials, calibration ensures that the hopper operates to its optimal standards. This process helps companies avoid overuse or waste while maintaining the integrity of their product's quality.

  • Why Hopper Calibration is Essential

    Uncalibrated hoppers can lead to significant operational inefficiencies, such as:

    •   Material waste: Over dispensing materials results in increased costs and potential environmental implications.

    •   Inconsistent product quality: Underdosing or overdosing essential components can affect the final product’s reliability.

    •   System wear and tear: Excessive strain on hopper components can reduce their lifespan and lead to costly repairs.Industries such as pharmaceuticals, food processing, agriculture, and construction depend heavily on calibrated hoppers for accurate material distribution.

  • Inspection and Assessment

    The first step involves a thorough inspection to identify wear, alignment issues, or damage. Technicians assess the hopper's current state and determine if it requires recalibration or maintenance.

  • Calibration Procedure

    Technicians use precision calibrated weights. Adjustments are made to ensure that the amount of material dispensed aligns with predetermined standards.

  • Verification and Testing

    After calibration, the hopper is tested to confirm its accuracy. This step often involves running multiple trials with varying material quantities to ensure consistent performance.

  • Benefits of Hopper Calibration Services

    Regular hopper calibration offers several advantages:

    •   Improved accuracy: Ensures that the hopper dispenses the correct amounts of material, minimizing errors.

    •   Cost savings: Reduces material waste and operational inefficiencies.

    •   Enhanced safety: Prevents equipment malfunctions that might pose risks to workers.

    •   Regulatory compliance: Meets industry standards and legal requirements for accuracy in material handling.

  • Industries Relying on Hopper Calibration

    Hopper calibration services cater to a diverse range of industries:

    •   Agriculture: Ensures accurate distribution of seeds, fertilizers, and animal feed.

    •   Pharmaceuticals: Guarantees precise dosing of ingredients for medication production.

    •   Food and beverage: Maintains quality standards in food processing by dispensing exact quantities of ingredients.

    •   Construction: Supports the accurate mixing of materials like cement and aggregates.

  • Regular Maintenance

    To maintain hopper accuracy, schedule
    routine calibration checks. This prevents long-term wear and ensures consistent performance.

  • Qualified Technicians

    Use trained professionals who understand industry standards and possess the skills to handle complex equipment. Their expertise ensures that the calibration process is thorough and effective.

  • Documented Results

    Maintain detailed records of calibration tests and results. This helps track performance over time and assists in compliance audits.

Conclusion

Hopper calibration services are an indispensable part of modern industry operations. By ensuring precision, reducing waste, and optimizing performance, these services contribute to effective material handling and enhanced product quality. Investing in regular hopper calibration not only improves efficiency but also safeguards against costly errors and regulatory issues. Industries that prioritize hopper maintenance and calibration will benefit from long-term operational success and sustainability.

Get in touch now

Connect With Us

Stay connected with us for the latest updates, expert support, and tailored solutions to meet your needs.

Sydney
H145, 28 Lexington Drive, Bella Vista NSW 2153
Melbourne
Unit 14, 140 Fairbank Rd, Clayton South VIC 3169
Phone