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Protect Your Plant: Keep Your Gauges Accurate with SANAS-Traceable Calibration
In any plant where pressure, temperature or flow are measured, your gauges and testers are not just accessories – they are decision-making tools. Operators, maintenance teams and management rely on those readings to keep people safe, protect equipment and stay within specification.
But even the best gauge or tester will drift over time. Wear and tear, vibration, temperature changes and everyday use gradually push instruments out of tolerance. If you don’t pick this up through calibration, you could be trusting numbers that are quietly wrong.
That’s where a structured, SANAS-traceable calibration programme from Blanes Pressure Solutions becomes critical. pressuresolutions.co.za
What Is Gauge Calibration – and Why Does It Drift?
Calibration is the process of comparing an instrument’s reading against a reference standard with a known, certified accuracy. If there is a difference, the instrument can be adjusted or the deviation recorded so you know exactly how it behaves.
Over time, gauges and testers naturally drift because of:
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Continuous use and mechanical wear
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Exposure to high pressure or temperature
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Vibration on pipes, pumps and machinery
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Ageing of internal components
The drift may be gradual and almost invisible in day-to-day operations – until something goes wrong.
The Risk of Running on Uncalibrated Instruments
Skipping calibration or delaying it too long can have serious knock-on effects:
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Inaccurate measurements
Incorrect pressure or temperature readings can result in out-of-spec product, poor quality and process instability. -
Non-compliance
Many industries – from manufacturing and mining to petrochemical and food – require traceable calibration records during audits. Out-of-date or missing certificates can lead to findings, fines or enforced shutdowns. pressuresolutions.co.za -
Compromised safety
Gauges used on critical services (steam, gas, pressure vessels, high-pressure lines) must be trusted. Faulty readings can contribute to unsafe conditions or equipment failure. -
Hidden cost and downtime
When processes are controlled with bad data, you often see more rework, more breakdowns and more unexpected downtime. All of that eats into your maintenance and production budget.
The Business Benefits of Regular Calibration
Putting your gauges and testers on a fixed calibration schedule turns measurement into a business advantage:
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Consistent, reliable data
Operators and engineers know the numbers they see reflect reality, which improves control and decision-making. -
Audit-ready documentation
Up-to-date certificates make regulatory, customer and quality audits far simpler – your calibration history is ready on file. -
Stable processes and higher quality
Accurate measurement allows tighter process control, fewer rejects and better product consistency. -
Extended equipment life
When systems are run within proper limits, you reduce stress on equipment and avoid the kind of abuse that shortens service life.
What Makes SANAS-Traceable Calibration Different?
Blanes Pressure Solutions offers SANAS-traceable calibration services, complete with a certificate typically valid for one year.
SANAS (the South African National Accreditation System) provides independent accreditation of calibration laboratories and standards. When a calibration is SANAS-traceable:
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Measurements can be traced back through a documented chain of comparisons to recognised national or international standards.
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The results are accepted for quality and regulatory purposes in South Africa and internationally.
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Your calibration certificate carries real weight in audits and customer approvals.
In short, SANAS traceability gives you confidence that your instruments are not only calibrated – they are calibrated to a recognised, defensible standard.
Instruments Blanes Can Help You Calibrate
Our team works with a wide range of industrial instruments, including.
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Pressure gauges – general-purpose, test and safety pattern gauges
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Temperature instruments – thermo gauges and related devices
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Transmitters and testers used for pressure and process measurements
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Other associated measuring devices that form part of your control and safety systems
If you’re unsure whether a particular instrument can be calibrated or should rather be replaced, we can advise you on the best option.
How Often Should You Calibrate?
There is no single rule that fits every plant, but good practice is to base calibration intervals on:
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Time – for many gauges, an annual calibration interval aligns with certificate validity and audit requirements.
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Criticality – safety-critical or quality-critical instruments may need shorter intervals.
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Usage and environment – gauges in high-vibration, high-temperature or dirty environments often drift faster.
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Signs of trouble – visible damage, inconsistent readings or operator concerns are all triggers to recalibrate immediately.
Blanes can help you build a calibration schedule that balances risk, cost and operational needs.
Why Partner with Blanes Pressure Solutions?
Blanes Pressure Solutions has a long history in pressure measurement in South Africa and supplies a comprehensive range of instruments to industry.
When you use Blanes for calibration, you benefit from:
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Experienced technicians
Our team understands both the instruments and the applications they work in. -
SANAS-traceable calibration
We provide calibration that meets recognised standards, supported by a certificate you can present in any audit. -
Efficient turnaround
Calibrations are done on our premises with a focus on minimising your downtime. -
End-to-end support
From helping you decide what to calibrate and when, to supplying new gauges, accessories and spares, we support the full life cycle of your pressure measurement equipment.
Ready to Check the Health of Your Gauges?
If it’s been a while since your gauges and testers were last checked – or you have certificates nearing expiry – now is the ideal time to schedule calibration.
Blanes Pressure Solutions offers SANAS-traceable calibration services at our facility, along with a wide range of pressure measurement products for replacement and upgrade.
For more information or to book calibrations, contact our Sales Manager, Ronel Olivier, on
ronel@pressuresolutions.co.za or 011 422 1749.
We also offer SANAS traceable calibrations complete with a certificate, valid for 1 year on our premises.
Blanes Pressure Solutions supplies a comprehensive range of pressure measurement instruments.
Blanes Pressure Solutions was founded in 2002 to take over the pressure business of Blanes Instruments CC, and can trace its pedigree back to 1893, when Robert Blane left Scotland to make his fortune on the Witwatersrand.
For more information on placing orders, after care and maintenance services you can contact our Sales Manager Ronel Olivier on ronel@pressuresolutions.co.za or 011 422 1749.
