Looking for expert flue gas analyser calibration in the UK? As an official Testo service centre with over 40 years of experience, we provide fast, simple, and reliable calibration and servicing for both domestic and commercial flue gas analysers. Whether you own a testo 310, 327, 300+ 320, or any other model, our trusted UK team ensures your equipment delivers accurate readings for safety and compliance. Book your service today and explore our 24-hour express options!
Ready to get started? For questions or custom quotes, call us at 01420 544433. We’re proud to serve customers across the UK with industry-leading calibration services.
We offer comprehensive servicing to keep your flue gas analyser performing at its best. Our services include:
Functional analyser check – Ensuring your device operates correctly.
Calibration of measuring sensors – Precision tuning for accurate gas measurements.
Calibration of flue temperature – Reliable temperature readings every time.
Calibration of pressure sensor – Optimal pressure accuracy for diagnostics.
Calibration certificate – Official documentation for compliance and records.
Need it fast? Our 24-hour express service and accidental cover options are available on request. and get your analyser back in top shape!
Model | Year 1 | Year 2 | Year 3 | Year 4 | Year 5 |
testo 310/ testo 310 (2nd gen) | £129 | £129 | £169 | £129 | £129 |
testo 320/320B | £129 | £129 | £169 | £129 | £129 |
testo 327 | £129 | £129 | £169 | £129 | £129 |
testo 300 (excluding LL) | £129 | £129 | £169 | £129 | £169 |
testo 300 with NO (excluding LL) | £169 | £169 | £169 | £169 | £319 |
testo 300+ | £129 | £129 | £129 | £129 | £229 |
Model | Year 1 | Year 2 | Year 3 | Year 4 | Year 5 | Year 6 |
testo 300LL/330LL | £169 | £169 | £169 | £169 | £229 | £349 |
testo 300LL/330LL (NO) | £219 | £219 | £219 | £219 | £379 | £349 |
Visit and fill out our short form at go.testo.com/collect
Follow the instructions provided to arrange collection.
We’ll handle the rest and return your calibrated analyser quickly.
*Terms apply. Download our and for full details.
To determine your analyser’s service year, check the manufacture date on the back of your device. Dates are shown as four digits (MM/YY, e.g., ‘1218’ for December 2018) or three digits (Y/MM, e.g., ‘704’ for April 2017). Can’t find it, or does your serial number start with ‘01’? Call our technicians at 01420 544433 for help.
Official Testo UK Centre – Trusted expertise from a certified provider.
40+ Years of Experience – Decades of servicing analysers across the UK.
Fast Turnaround – 24-hour express service available.
Compliance Guaranteed – Calibration certificates meet UK standards.
Accidental Cover – Optional protection for peace of mind.
Accurate flue gas analyser readings are critical for safety, efficiency, and regulatory compliance. Don’t risk faulty measurements – trust our expert team to keep your equipment in top condition.
We recommend annual calibration to maintain accuracy, though frequency may vary based on usage and manufacturer guidelines. Contact us for advice specific to your Testo model.
Domestic analysers (e.g., Testo 310) are designed for home heating systems, while commercial models (e.g., Testo 300LL) handle larger-scale industrial applications, requiring more complex servicing.
A certificate proves your analyser meets safety and performance standards, essential for compliance with UK regulations and workplace audits.