- Testo 300+ Flue Gas Analyser with 02 and H2 compensated CO sensor up to 8,000ppm
- USB Mains Unit, including cable
- Testo Bluetooth Connector
- Compact Basic Flue Gas Probe, 180mm, 1.5m hose
- 2 x Clamp Probes (NTC) for temperature measurements (1.4m)
- Pressure Connection Kit with 2 silicone hoses
- Soft Case Style Instrument Bag
- A smartphone-style flue gas analyser with a sophisticated touchscreen for easy usage by the user
- The 300+ measures O2, CO, NO*, temperature, pressure and draught and allows the user to analyse readings
- The Advanced Kit comes with a wide range of accessories which enhance the already-impressive instrument
- Learn about Testo cost of ownership & calibration
Use reward points to get money off future purchases.
Please note: Customers must be signed into their account to be elegible. Find out more about reward points here.
Found this product cheaper & in stock somewhere else? Give us the details and we'll endeavour to match the price.
To price match, contact us online or call 0113 248 9966.
We offer FREE standard delivery on all orders over £249, with a range of next-day options also available on many items.
Find out more on our delivery information page.
We want our customers to be fully satisfied with the goods they purchase from us, offering returns for up to 60 days.
Find out more about our refunds policy here.
We're always happy to offer help, information & advice to find the right instrument for you, so please get in touch.
To speak to our sales team, call us on 0113 248 9966, use our Live Chat service or contact us online.
Use reward points to get money off future purchases.
Please note: Customers must be signed into their account to be elegible. Find out more about reward points here.
Found this product cheaper & in stock somewhere else? Give us the details and we'll endeavour to match the price.
To price match, contact us online or call 0113 248 9966.
We offer FREE standard delivery on all orders over £249, with a range of next-day options also available on many items.
Find out more on our delivery information page.
We want our customers to be fully satisfied with the goods they purchase from us, offering returns for up to 60 days.
Find out more about our refunds policy here.
We're always happy to offer help, information & advice to find the right instrument for you, so please get in touch.
To speak to our sales team, call us on 0113 248 9966, use our Live Chat service or contact us online.


















