Testo 300LL Longlife Flue Gas Analysers – Professional Performance Without Compromise
If you are looking for a powerful, future-proof solution for combustion analysis, the Testo 300 Longlife range delivers outstanding performance, durability and smart functionality. Designed for engineers working on commercial heating systems, the Testo 300LL series combines advanced sensor technology with intuitive usability, making it a leading choice for professionals who demand accuracy, efficiency and reliability.
The Testo 300 Longlife analysers are engineered with high-performance O₂ and H₂-compensated CO sensors, capable of measuring up to 30,000 ppm. With an impressive sensor lifespan of up to six years, the Testo 300LL helps reduce maintenance costs and downtime. Whether you are commissioning, servicing or carrying out compliance checks, the Testo 300 Longlife ensures fast and precise results every time.
Flexible applications with the modular probe system with quick-change capability!
Testo 300 Flue Gas Analyser Options:
- (0564 3004 82) 300LL Commercial Flue Gas Analyser (Standard Kit)
- (0564 3004 89) 300LL Commercial Flue Gas Analyser (Printer Kit)
- (0564 3004 84) 300LL Commercial Flue Gas Analyser (Printer; NOX Kit)
▶ Video: Testo 300 FGA - Take Easy Measurements:
Testo 300LL Key Features:
- High-performance O₂ and H₂-compensated CO sensors with measurement capability up to 30,000 ppm
- Optional or integrated NO sensor for calculated NOx measurement depending on model
- Longlife sensor technology with up to 6 years service life
- Smart-Touch display with fast, intuitive operation similar to a smartphone
- Wireless connectivity for simultaneous use with up to four Smart Probes
- Integrated Bluetooth interface for data transfer and on-site printing
- WLAN connectivity for sending reports directly via email
- On-device PDF report generation with signature capture function
- Large 5-inch HD display for clear viewing of all system parameters
- Automatic sensor protection for extended lifespan and reliability
- Integrated draught and gas zeroing without removing the probe
- Modular probe system with quick-change capability for flexible applications
- Compatible with a wide range of additional probes and accessories
- Integrated fine pressure and 4 Pa measurement for compliance testing
- 10-hour rechargeable battery for extended use on site
- Robust housing with integrated magnets for hands-free operation
- Compliant with EN 50379 Parts 1–3 standards
- Direct data integration into external software via QR code functionality
▶ Video: Testo 300 FGA - Intuitive Smart-Touch Operation:
Why Choose the Testo 300 Longlife?
The Testo 300 Longlife is more than a standard flue gas analyser. It is a complete smart solution designed to streamline your workflow. With its responsive Smart-Touch display, engineers can navigate measurements as easily as using a smartphone. The Testo 300LL also enables real-time data sharing, PDF report generation and direct email functionality via WLAN, helping you stay efficient on site and connected with your team.
Built for demanding environments, the Testo 300 Longlife features robust construction, a long-lasting rechargeable battery with up to 10 hours of use, and integrated magnets for hands-free operation. The Testo 300LL also supports wireless connectivity with Smart Probes, allowing simultaneous measurements for improved diagnostics.
Smart Measurement Meets Longlife Reliability
With the Testo 300 Longlife, you benefit from advanced sensor protection and automatic zeroing functions, ensuring consistent accuracy without interrupting your workflow. The Testo 300LL is compliant with EN 50379 standards and supports a wide range of additional probes for extended measurement capabilities.
From flue gas analysis to gas pressure testing and differential temperature measurement, the Testo 300 Longlife adapts to your requirements. Its modular probe system and quick-change functionality make it suitable for a variety of applications, while the intuitive interface reduces training time and improves productivity.
Key Differences Between the Testo 300 Longlife Models:
- Standard Kit (0564 3004 82): Core Testo 300 Longlife functionality with O₂ and CO sensors. No printer included. NO sensor can be added later. Best suited to everyday servicing work.
- Printer Kit (0564 3004 89): Same Testo 300LL configuration as the standard kit but includes a printer for instant reporting. Ideal for engineers who need on-site documentation.
- NO Sensor Kit (0564 3004 84): Fully equipped Testo 300 Longlife with O₂, CO and NO sensors plus printer. Designed for advanced diagnostics and emissions monitoring.
What comes with the Testo 300LL ST Kit (P/N 0564 3004 82)?
The Testo 300 Longlife Standard Kit is a complete solution for engineers who need reliable flue gas analysis without additional printing functionality. It includes O₂ and H₂-compensated CO sensors, with the option to retrofit an NO sensor for expanded measurement capabilities.
- Testo 300LL analyser with O₂ and CO sensors
- Modular flue gas probe, 180 mm
- Bluetooth connector
- USB mains unit
- Hard carry case
Best For: Engineers who want a cost-effective, high-performance analyser with upgrade flexibility. Ideal for routine servicing and commissioning of commercial heating systems.
Extra with the Testo 300 Longlife Printer Kit (P/N 0564 3004 89)
- Bluetooth or IRDA printer
The Testo 300 Longlife Printer Kit builds on the standard kit by adding a Bluetooth or IRDA printer for instant on-site documentation. This makes the Testo 300LL even more efficient for professionals who need to provide immediate reports to clients.
Best For: Engineers who require fast, on-site reporting and documentation. Suitable for compliance checks and customer-facing work.
What comes with the Testo 300 Longlife NO Sensor Kit (P/N 0564 3004 84)?
The Testo 300 Longlife NO Sensor Kit is the most advanced option in the range, featuring an integrated NO sensor for calculated NOx measurement. This version of the Testo 300LL is ideal for professionals working in environments where emissions monitoring is essential.
- Testo 300LL analyser with O₂, CO and NO sensors
- Modular flue gas probe
- Bluetooth connector
- Bluetooth or IRDA printer
- USB mains unit
- Hard carry case
Best For: Specialist engineers requiring advanced emissions analysis and compliance with stricter environmental regulations.
Ready to Upgrade for a More Efficient Working Day?
The Testo 300 Longlife range offers a scalable solution for every level of flue gas analysis. Whether you choose the entry-level Testo 300LL Standard Kit or the fully equipped NO Sensor Kit, you are investing in a tool that improves efficiency, accuracy and professionalism on every job.
Get in touch for an online demo, expert advice or a competitive quote.