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ISO 17025 Calibration

IRC calibrates a wide range of instruments electrical, temperature, dimensional metrology to name a few to national standards using accredited ISO 17025:2017 procedures.

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    IRC Servicing

    Regular calibration

    Regular calibration is essential for reliable instrument performance and impacts business outcomes.

    UKAS Calibration Accreditation

    UKAS accreditation ensures the calibration process meets the highest standards.

    We’ve got you covered

    Wide range of instruments calibrated. Including: electrical, temperature and pressure.

    Customer focused

    Ensures the highest quality service calibration for your instrumentation needs.

    Technician performing ISO IEC 17025 calibration to ensure accurate measurements

    Ensure Accurate Measurements

    Calibration is an essential part of any quality assured system. Without regular calibration the performance of instrumentation cannot be relied upon, and this uncertainty impacts directly on your business. Furthermore, the calibration process itself must meet certain criteria and traceability if it is to be of benefit.

    IRC offer the calibration of instrumentation for measuring electrical, high voltage, temperature, humidity, pressure, torque, dimensional metrology and mass. All calibrations are traceable to National Standards and are in accordance with procedures laid down in BS EN ISO/IEC17025:2017. This standard is the most important thing when getting calibration.

    Calibration service to ISO IEC 17025 with UKAS options, digital certificates, and fast turnaround

    Don’t Settle for Less

    Many laboratories or “calibration houses” claim to work to the requirements of ISO17025 but are NOT accredited. There is a useful resource found here direct from UKAS outlining that only UKAS Accredited laboratories are credible for your calibration requirements.

    As expected IRC Ltd are fully UKAS BS EN ISO/IEC17025:2017Accredited & have signed up to the ILAC Agreement.

    How our Calibration service works

    We calibrate instruments with results traceable to national standards. In accordance with the requirements of BSEN ISO17025:2017 Booking is simple, use our contact form to request a collection, or arrange a drop-off at our lab. On receipt, each instrument is checked in, visually inspected, and verified against the agreed ranges using reference standards. Where adjustments are possible, our technicians bring readings back within specification, then re-verify to confirm stability.

    Turnaround times are planned around your workload. Priority workflows are available for critical items, with standard service for routine rotations. Every completed job includes a calibration certificate that lists the instrument details, applied standards, environmental conditions, test points, results, and any adjustments. Certificates are stored digitally so your records are easy to retrieve for audits and quality reviews.

    We support a wide range of instruments, including Megger and other insulation resistance testers, PAT testers, multimeters, clamp meters, torque wrenches, thermometers and data loggers, pressure and vacuum gauges, airflow and HVAC instruments, and dimensional tools such as calipers and micrometers. If you need help deciding the right service, our team will recommend suitable ranges, intervals, and any pre-checks that reduce downtime.

    Clients choose our service to support quality systems and compliance. Regular calibration protects product quality, safety, and legal obligations, and it reduces the hidden costs caused by drift, rework, and field failures. For sites that cannot release large batches of tools, we can schedule rolling collections, or perform onsite calibration where practical. If you are building or maintaining a quality system, we can align certificates and labelling with your internal procedures.

    Ready to book. Use the contact form to request a quotation, or call for advice on the best route for your instruments.

    Instrument Repairs and Calibration

    Ensure trust in your measurements.
    Get a quote for UKAS accredited calibration from IRC today

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    IRC Services
    Engineer performing electrical instrument calibration on a bench using traceable standards

    Trusted Network

    We have developed a network of calibration services capable of satisfying the most exacting of standards. Utilising sophisticated reference equipment, with skilled and experienced personnel, you can be certain of the highest level of service you are receiving, allowing you to take control of your operation.

    As someone with responsibility for your measurement traceability, you know the importance of all the links in the traceability chain. This starts with choosing the correct measurement technology for your application.

    Airflow

    IRC can offer a fast, competitively priced calibration service for virtually all makes and models of wind speed instrumentation. Using our own calibration wind tunnels we can calibrate instrumentation over the ranges of 0.15 to 10*m/s. *exact velocity limits are dependant upon instrument size & design.

    Our expertise allows us to provide torque calibration for most equipment including:

    • Vane Anemometers
    • Hot Wire Anemometers
    • Velometers
    • Balometers

    Dimensional Metrology

    Calibrations for most types of mechanical measuring equipment can be accommodated to a traceable standard, equipment includes:

    • External Micrometer (Single & Multi Anvil)
    • Calipers (Digital, Vernier & Dial)
    • Height Gauges (Digital, Vernier & Dial)
    • Dial Indicators (Lever)
    • Dial Indicators (Plunger)
    • Squares
    • Feeler Gauges
    • Depth Micrometers
    • Height Micrometers & Risers
    • Internal Micrometer (Single & Multi Anvil)
    • Stick Micrometer
    • Thickness Gauges
    • Levels

    Electrical

    Our vast selection of calibration equipment enable us to carry out UKAS ISO IEC 17025:2017ILAC Accredited calibration. Click here to view our UKAS (4688) schedule.

    Resistance Generation 0Ω to 200GΩ
    Measurement 0Ω to 1GΩ
    DC Voltage Generation 0 to 50kV
    Measurement 0 to 40kV
    DC Current Generation 0 to 1000A
    Measurement 0 to 1000A
    AC Voltage Generation 0 to 40kV
    Measurement 0 to 40kV
    AC Current Generation 0 to 2000A
    Measurement 0 to 2000A
    Frequency Generation 1Hz to 2.4GHz
    Measurement 5Hz to 1.2GHz
    Capacitance Generation 1nF to 1000uF
    Inductance Generation 1000uH to 10H

    Here is a small selection of the items we are able to calibrate:

    • Multimeters
    • Clampmeters
    • Tachometers
    • Wattmeters
    • Shunts
    • Insulation-Continuity Testers
    • Earth Loop Impedance
    • RCD Testers
    • Multifunction Installation Testers (17th edition)
    • Voltmeters & Ammeters (AC or DC)
    • mA/mV Source Units
    • Stopwatches
    • Portable Appliance Testers
    • Standards & Calibrators
    • Live Line Testers
    • HV Test Sets
    • Injection Test Sets
    • Scopemeters & Oscilloscopes
    • Relay Test Sets
    • CAT’s & Genny’s
    • Frequency Generators / Counters
    • Multifunction Calibrators

    Mass

    When using a measuring instrument, you need to be confident that your results are accurate and precise. IRC deliver this type of confidence. To document the results, we have designed a variety of calibration certificates to meet ISO requirements or other industry standards.

    Calibration weights and analytical balance used for mass calibration with ISO compliant certificates

    Pressure & Vacuum

    We endeavor to fulfill your pressure & vacuum calibration requirements at the ranges shown in the table below for Instruments such as:

    • Manometers
    • Hydraulic Pressure Gauges (Standard & Industrial)
    • Gas Pressure Gauges (Standard & Industrial)
    • Transducers
    • Micromanometers
    • Digital Pressure Calibrators
    Manometer Gauge 0 to 7000 pascals
    Hydraulic Pressure Gauge 0 to 1200bar
    Gas Pressure Gauge -1bar to +150bar
    Gas Pressure Absolute 0.5mbar to 20bar

    Temperature

    Within our Laboratory it is possible for us to carry out a variety of temperature calibrations on equipment such as:

    Thermocouples, Base & Noble -80°C to 600°C
    Electronic Thermometers with Sensors -80°C to 1350°C
    Temperature Dry Block Calibrators -80°C to 600°C
    PT 100 Probes -80°C to 600°C
    Steriliser Engineer’s Test Equipment -80°C to 600°C
    Dataloggers with Sensors-System Calibration -80°C to 600°C
    Chart Recorders with Sensors-System Calibration -80°C to 600°C
    Infra-Red Thermometers Ambient to 350°C
    Thermal Imagers Ambient to 350°C
    Mercury In Glass Thermometers -20°C to 600°C

    Temperature & Humidity

    Our Laboratory can conduct temperature & humidity calibration for a full range of Sensors & Loggers at a range of:

    Temperature 0°C to 60°C
    Humidity 5%rh to 95%rh
    • Cassella
    • Hanna
    • Digitron
    • Vaisala
    • ETI
    • Testo
    • Rotronic

    Torque

    Regular torque wrench calibration is an essential part of your quality assurance activities. It may even be a legal requirement.

    Torque calibration is usually performed in our calibration laboratory. However, if you have a large quantity of torque wrenches for instance, which are difficult to remove from site, we can perform torque wrench calibration on your premises.

    In addition to torque wrench calibration and torque screwdriver calibration IRC also calibrate closure meters, torque watches, torque analysers and a host of other torque tools and gauges.

    Torque calibration ranges covered are as follows:
    0.05cNm to 3,000Nm

    Our expertise allows us to provide torque calibration for most equipment including:

    • Closure Meters
    • Torque Analysers
    • Torque Clocks
    • Torque Meters
    • Torque Screwdrivers
    • Torque Watches
    • Torque Wrenches
    • Torque Multipliers
    Instrument Repairs and Calibration

    By choosing IRC for your instrumentation requirements you are assured of the highest quality service needed by your business.

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    IRC for the best service local to you
    IRC facility with trained technicians, onsite and in house service, scheduling and repairs

    Our facility

    Our calibration facility is capable of calibrating a wide range of equipment at our premises or at our clients. Calibration needs can be tailored to specifically meet the most demanding requirements by our fully trained network of technicians.

    We offer a complimentary service to the routine calibration of your instrumentation. This includes a scheduling and recall service as well as the capability to perform service and repairs to equipment.

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    Our laboratories are independently audited to operate their own Quality System 
to ISO 9001:2015 and a Management Improvement Program.

    accuracy handheld equipment and e certification system enabling fast turnaround with electronic records and managed service

    Fast Turnaround

    Fast turnaround of equipment can be assured by use of our automated calibration and certification systems. Records are stored electronically, thus enabling the facility to provide statistics and historical information.

    IRC has the relevant capabilities and experience to offer a full calibration package management service. For instance, we can take ownership of the process instrumentation element of a site outage, shutdown, project or changeover and offer varying levels of management capability.

    Calibration FAQs

    Do you calibrate Megger and insulation resistance testers?
    Yes. We calibrate Megger and other insulation resistance testers to BS EN ISO/IEC 17025 procedures with results traceable to national standards. We can advise suitable test ranges.

    Are your calibrations UKAS accredited or traceable only?
    We offer UKAS accredited calibration where listed on our UKAS schedule, and traceable calibration for instruments outside scope. Ask our team which route fits your instrument.

    Can you calibrate PAT testers?
    Yes. We calibrate portable appliance testers and can schedule regular rotations so your testers stay compliant throughout the year.

    How often should I calibrate a torque wrench?
    Typical intervals are six to twelve months, depending on usage and risk. We provide torque wrench calibration, torque screwdriver calibration, and related tools.

    Do you calibrate thermometers and data loggers?
    Yes. We cover contact probes, infrared thermometers, PT100 sensors, and data loggers, and we record environmental conditions on your certificate.

    Can you calibrate pressure gauges and vacuum gauges?
    Yes. We cover manometers, hydraulic and gas pressure gauges, and digital pressure calibrators across defined ranges.

    Do you provide calibration for scales or calibration weights?
    Yes. We calibrate scales and calibration weights with traceable certificates where applicable. If you need verification, tell us your trade or regulatory requirements.

    How quickly can you turn jobs around?
    Standard turnaround is planned around your operational needs, with priority service available. Share your deadline and we will confirm options before booking.

    How do I book?
    Use the contact form to request a quotation and collection, or call the team for advice. We will confirm price, route, and turnaround before you send your instruments.

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    Head Office: 01355 264 120 Ireland: 02890 837 300
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