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Portable appliance testers (PAT) Calibration

Zedflo – Experts in NATA accredited PAT Calibration

If you need your Portable Appliance Tester (PAT) to be calibrated, get in touch with us at Zedflo. With over 40+ years of industry experience, our team is adept at ensuring your tester works correctly and accurately.

To ensure your appliance tester functions properly, provides accurate readings, and maintains compliance with manufacturer and Australian standards, it is generally recommended for PAT testers to be calibrated every 12 months. Read more on calibration interval

We provide a NATA accredited calibration service for most test and tag machines in Australia.

No booking required

There’s no need to arrange an appointment in advance. Simply post or drop off your instrument whenever it’s convenient for you during business hours. Our efficient process ensures instruments are calibrated as soon as we can based on our current waiting list (Most cases can expect a turnaround time of between 3 and 7 days). For urgent cases, expedited services are also available for an additional fee.

Rest assured, your equipment will be handled with precision and care from start to finish, backed by our industry-leading expertise and NATA-accredited calibration standards.

How to organise a calibration

Other Calibration Services

This page is about our Portable Appliance Tester (PAT) calibrations only.
Check our overview page for other calibration services we offer

Other calibration services

PAT tester models we can calibrate:

  • PAC3760*
  • PAC3760 DL
  • PAC3760 Plus
  • 125EL
  • Prime Test 300
  • Prime Test Elite
  • Plus more, enquire today

Models listed here are just some of the more popular ones or ones we have done before, there may be other models that we have not yet listed which more than likely we can calibrate them too, if your model is not listed please contact us with an enquiry.

*Traceable calibration only, typically for models with ‘pass/fail’ indication only

Enquire Now
Calibration form

In house repair service

  • OEM backed and authorised service and repair agents for many instruments in our range.
  • That means less downtime in the event a fault or issue is found.

Quality

  • Our NATA accreditation scope has some of the best uncertainties in Australia.
  • Advice you can rely on, with 40+ years experience in the industry.

Fast & Easy

  • Standard turn around under 1 week.
  • Expediting options available (as quick as same business day).
  • Express freight options at great rates.

Our Precise PAT Tester Calibration Expertise

Zedflo has been providing unparalleled calibration services with a focus on precision and excellence. Our advanced reference equipment ensures accurate automatic measurement of PAT testers providing high-quality results in electrical testing. Our equipment replicates and automates the various measurements and functions that the instrument performs and is tested across various test points to ensure instrument is meeting the required specifications. Our NATA-accredited laboratory is equipped with cutting-edge technology and staffed by a team of highly skilled technicians, ensuring that your PAT tester is calibrated to the highest standards enhancing the overall testing process.

At Zedflo, we are dedicated to providing top-tier test and calibration services that uphold the highest standards of accuracy and reliability. Whether you are in the residential, industrial, oil, gas, process, mining, or chemical industries, our expertise and commitment to excellence ensure that your equipment remains in optimal working condition.

A portable appliance tester, often referred to as a PAT tester, is a comprehensive instrument used by electricians and licensed technicians to assess the safety and integrity of electrical appliances and equipment in various settings.

Calibration is necessary to provide you with peace of mind that your equipment is performing optimally, safeguarding technicians, clients, customers, and the public.

Advantages of regular PAT tester calibrations

Calibration is essential to ensure that your Portable Appliance Tester provides accurate results, which in turn reduces the risk of errors in the testing and tagging process. If a PAT tester isn’t calibrated properly, results will often become skewed and the tester can pass items that should be failing and vice-versa. However, the benefits of calibration go beyond just accuracy. Here are some of the advantages of regular calibration:

  • Improved Reliability: Calibrated PAT testers offer consistent and reliable performance over time. This reliability will give you more confidence when you’re out testing and tagging, therefore minimising the need for retests and reducing downtime in operations.
  • Cost Savings: As previously mentioned, regular calibration helps detect and rectify minor issues early, preventing them from snowballing into costly repairs or equipment failures. Additionally, accurate testing results help identify faulty appliances promptly, allowing for a faster, more efficient, & safer testing and tagging process.
  • Compliance: The AS/NZS 3760 specifically mentions the importance of getting your Portable Appliance Tester calibrated. By complying with these requirements, you can maintain your business’s reputation and meet legal and regulatory obligations.
Repair Services

Why Choose Zedflo?

Choosing Zedflo for your PAT tester calibration needs comes with several significant benefits:

  • NATA Accredited Laboratory operating in accordance with ISO 17025
  • Authorised, OEM backed services (for specific brands and models)
  • Fair and affordable rates
  • Where faults are identified, we offer in house repair services for certain makes and models with a 120 day after repair warranty where applicable (terms and conditions apply)
  • Fast standard turnaround times, typically under 1 week
  • Expedited service options for same or next-day turnaround
  • Guarantee to offer professional, impartial advice for your repair or calibration with 40+ years of experience in the industry
  • Accurate automatic measurement capabilities for PAT tester calibrations

Calibration quote enquiry

Please complete the below enquiry form for a quote, or email sales@zedflo.com.au
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List the brand and model of instruments you want a calibration quote for:
Brand
Model
 

Our minimum fee

We have a minimum service fee of $120 +GST, this applies as an inspection fee in the situation where any device is sent to and processed by Zedflo, but you decline to proceed with a service we have quoted.

  • Instruments that fail a calibration are generally still chargeable up to the full quoted price, although we may at our discretion charge a discounted fee depending how much time and effort has been spent working on the instrument.
  • For failed instruments, we will typically contact you with options of repair, replacement, or a certificate with modified compliance statement.
  • Some instruments may carry a larger minimum fee, for example in cases where we need to send the instrument to a 3rd party for assessment, in these cases before moving forward we will quote an elevated minimum fee to cover the associated freight costs and 3rd party assessment fees.

Additional notes:

  • Most of the time we can provide a quote/estimate even without seeing the instrument in person.
  • Some instruments may require an inspection prior to formally quoting.
  • Be aware that a quoted price is based on the normal amount of work and complexity expected with service we’ve quoted for.  The quotation value may increase after we have inspected or even begun the calibration/repair, for example if we find damage or faults with the instrument that were not expected and not within the initial scope of the job. If there are any known faults or issues, it’s always best to let us know in advance – it could save you both time and cost.
  • We will contact you with a revised quote before proceeding further where necessary.

Frequently asked questions about PAT tester calibrations

How often should PAT testers be calibrated?

The AS/NZS 3760 standard states that regular intervals are required to ensure your PAT tester is working accurately. Various factors influence the frequency of calibration such as usage intensity, environmental conditions, and what the manufacturers recommend. In essence, there is no “one size fits all” answer, however, the general consensus is that annual calibration often tends to strike the right balance between prudence and cost effectiveness. Read more about this at the link below.

Read post about calibration interval

Is calibration the same as a repair?

No. Calibration is a check of the measurement capability of the tester to ensure it is accurate and meets standard specifications. A repair involves fixing a fault or malfunction in the device. If a fault is identified during calibration then we may be able to offer a repair service or just advise and report on the relevant issues.

Are adjustments included when a measurement is found to be ‘out of specification’?

We include basic adjustments where possible at no additional cost. This is only possible where manufacturers share adjustment procedures and processes with external laboratories. Metrel meters, for example, we can adjust them to improve measurements where required. Some other brands do not give out adjustment procedures to external laboratories forcing their customers to use their own ‘authorised’ lab/s when adjustment or repair is needed. For any instrument where this applies, we can only report on the ‘actual measurements’, meaning our calibration report may indicate some ‘failed’, or ‘partial fail’ calibration points.

Can instruments that don’t display measurements be NATA calibrated?

No – There are some basic instruments that don’t display a measurement value, but rather just show pass or fail indication.

Those instruments we can calibrate still, but we can only offer a ‘traceable calibration’ rather than a ‘NATA accredited calibration’

Why use a NATA-accredited calibration lab?

NATA-endorsed certificates should give you confidence in the quality of measurements and calibration report while giving you peace of mind that the results can be trusted as a NATA-endorsed calibration certificate can only be issued by a NATA-accredited laboratory.

It means that the calibration laboratory has been assessed and audited in accordance with the international standard “ISO 17025 – General requirements for the competence of testing and calibration laboratories”. This standard requires staff to be technically competent and properly trained, the lab uses only validated procedures, and their references and standards have unbroken traceability chains to International Standards. The lab also has quality management policies and procedures in line with those followed in ISO 9001.

What does the calibration process include?

  • A calibration certificate, bearing the NATA emblem
  • A calibration sticker on the device itself
  • Free basic instrument adjustment to improve performance where possible
  • Reporting of results, both prior to and the following adjustment if required
  • Method selection and statement of compliance following strict criteria

There is no need to make a booking. To get started we have a few options you can choose from:

Enquiry only
  • Complete our calibration enquiry form, we will typically reply within 1 business day explaining your options moving forward and instructions on sending us your instrument.
  • For most instruments we can and will provide a calibration quote/estimate.
emailEnquire now
Mail in your device
  • Skip the enquiry. If you have a model we calibrate, you can send it straight in for inspection.
  • Print out the form, follow the instructions on the form and send the completed printed copy enclosed with the goods.
picture_as_pdfCalibration form
Walk in, in person
  • Walk in/drop in your instrument during business hours, no appointment required.
  • It’s handy for you to print and complete the below form and bring a copy with you otherwise we can ask you the relevant questions in person
picture_as_pdfCalibration form
Call us to discuss
  • You can call us during business hours to discuss your repair options on (08) 9302 1266
callCall now

Complete one of the options from ‘How to organize a calibration?’

You can send us your instrument, or drop it into us during business hours

If urgent, let us know and we can offer an expedited service for an additional fee

Once the instrument arrives we will send you a formal quotation for your approval. (or seek approval in person)

You can contact us at any time for a status update

After your approval we will perform the quoted works.

Standard turn around is 1 week.

This will vary with work loads but we are often faster than that, calibrations are typically worked on in order of receival/approval

When completed we will send you an invoice for payment.

If you are on a ‘30 day trade account’ then we will process as per your PO or agreement.

After payment is cleared (or PO is processed for account customers), we will inform you that the goods can be collected, or if you have opted for shipping we will typically dispatch same or next business day.

You can also pay in store at time of collection.

Typical internal flow of a calibration

Typically, the whole calibration process is completed within 1 week.

  • This does vary and depends on various factors, but more often than not we are actually quicker.
  • Your instrument will go through various stages during a typical calibration, we are efficient at moving it between various stages in the process but sometimes delays can happen, we will inform you if we expect any kind of delay.
  • Some calibrations may be sent to a 3rd party partner or supplier, in which case they will carry a longer than our standard turnaround time. We do, however, strive to provide the very best and accurate estimate of turnaround time at time of quoting.

For expedited ‘same day’ or ‘next day’ service, Zedflo is the best calibration service to look to!

We are always busy and do have a constant stream of work in our laboratory, instruments are usually worked on in the order they are received, and then in order of confirmed approval to proceed with quote, but for a fee your instrument can jump the queue when you require a fast turn around.

The fee will vary, and is subject to availability, but as a typical guide:

  • Next business day turn around add 50% to the normal fee
  • Same day (next on bench) turn around add 75% to the normal fee

Contact us today for more information about how we can help you with your instrument calibration needs.

View our full accredited scope on the NATA website:
NATA scope

All services including repairs and calibrations are subject to our standard terms and conditions

View our terms and conditions

Zedflo operates an ISO17025 NATA Accredited Calibration Lab.

You can view our NATA scope here

We are able to calibrate all popular and leading brands including Additel, Fluke, Druck, Beamex, Crystal, Transmation, Wika, Metrel, Megger, AEMC and many more