Unsure which analyser is best suited for you? Below is a short breakdown of both eligible models.
Why choose testo 327?
Testo’s 327 is the best value multifunction flue gas analyser on the market, offering premium quality at affordable prices. Robust & reliable, the testo 327 is the perfect companion for any heating engineer.
Robust & reliable
Best value flue gas analyser on the market
Easy menu navigation
Measures O2 & CO, will calculate ratio, CO2, and more
Hydrogen compatible (20%)
Testo IR Printer (advanced kits)
Why choose testo 300?
The testo 300 is wireless, efficient and offers smart functionality. Now with connection of up to 4 testo Smart Probes, a large 5” HD display with smart touch operation and option to send customer reports wirelessly, it couldn't be easier.Large 5” HD colour touchscreen display
Email/Bluetooth customer reports
Connect up to 4 testo smart probes via USB Dongle
Connect up to 4 smart probes via USB Dongle
Hydrogen compatible (20%)
New Smart domestic & commercial kits available
Your FREE gift
Benefits of your free Nebo professional work light include powerful, rechargeable LED flashlight, slide-to-reveal 500-lumen work light, programmable memory settings, 4x adjustable zoom, and a magnetic base. Durable construction makes the work light both water-resistant (IP67) and impact-resistant (up to 1 meter).Find out more: https://www.testo.com/en-UK/free-nebo
Installing and servicing heat pumps?
This special offer is also available across our range of digital manifolds for heat pump servicing and installation. Testo digital manifolds offer fast measurement and easy operation, are compact, reliable and robust (IP54), with wireless measurement for uncomplicated documentation. Get your FREE Nebo work light when you purchase any testo 550i, testo 500s or testo 557s digital manifold.
Find out more: https://www.testo.com/en-UK/free-torch Offers available through authorised Testo distributors only. Offers end 30.04.23. Terms & Conditions apply.