Directly from the manufacturer
Free delivery
Fast delivery
Secure payment
Directly from the manufacturer
with the Testo Instruments Manager. Service Made Simple.
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!
| Service Plan | Year 1 | Year 2 | Year 3 | Year 4 | Year 5 |
| testo 310 / testo 310 (2nd Gen) | £139 | £139 | £179 | £139 | £139 |
| testo 320/320B | £139 | £139 | £179 | £139 | £139 |
| testo 327 | £139 | £139 | £179 | £139 | £139 |
| testo 300 (excluding LL) | £139 | £139 | £179 | £139 | £139 |
| testo 300 with NO (excluding LL) | £179 | £179 | £179 | £179 | £329 |
| testo 300+ | £139 | £139 | £139 | £139 | £199 |
| Service Plan | Year 1 | Year 2 | Year 3 | Year 4 | Year 5 | Year 6 |
| testo 300LL/330LL | £169 | £169 | £169 | £169 | £239 | £369 |
| testo 300LL/330LL with NO | £219 | £219 | £219 | £219 | £399 | £369 |
Our manifold service and calibration pricing simplifies testing, service, and calibration for all manifold types. We offer competitive turnaround times for Testo manifolds, and Tier 1 service for non-Testo digital and analog models. Tier 2 pricing covers all labor for Testo repairs. Calibration includes five-point pressure testing (increasing and decreasing) and a heat-compensated overnight leak test. See below for our collection process.
Refrigerant Uploads
The following additional refrigerants are also available to replace any currently unused ones in the factory list:
R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A R407B; R407D; R41;
R411A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22
| Model | Part Number | Price |
| testo 549. 550i, 550s, 557s, 570, 558s | 300000 5000 | £85 |
*excludes carriage and parts - other terms apply
Includes:
Initial inspection
Accuracy test
Sensor adjustment
8 hour leak test
On pass - ISO 9001 Calibration
Device cleaning
| Model | Part Number | Price |
| testo 549. 550i, 550s, 557s, 570, 558s | 300000 5001 | £105 |
*our Tier 2 pricing includes all labour required to exact any repairs necessary to all testo models.
Includes:
Initial inspection
Accuracy test
8 hour leak test
On pass - ISO 9001 Calibration
Device cleaning
Includes labour
Our After Sales Service Centre has relocated to an enhanced facility to better serve your service needs!
If you are booking via the Testo Instruments Manager, the new address has been automatically updated within the system as of today.
Say goodbye to tedious forms and waiting games – the Testo Instruments Manager is here to revolutionise how you book servicing and manage your instruments.
The Testo Instruments Manager (TIM) is a free online platform designed to help you manage, service, and protect your Testo instruments with total confidence. From service booking to theft protection and accessing certificates, TIM gives you complete visibility and control — all in one place.
Used by professionals across multiple industries, TIM simplifies asset administration, reduces downtime, and ensures your instruments are always ready when you need them.
Book servicing or calibration in just a few clicks using our streamlined online booking process, designed to minimise admin time.
If one of your registered Testo instruments is stolen, TIM users are eligible for a 50% discount on a replacement instrument* — giving you added peace of mind and protection for your investment.
Easily monitor the service and compliance status of your Testo instruments with a simple traffic light system, giving you instant clarity on what’s compliant, due, or overdue — at a glance.
Priority turnaround
Need fast turnaround? Same day collection available and priority turnaround exclusively for TIM customers. T's & C's apply.
Join professionals who trust Testo to keep their instruments compliant, protected, and ready for use.