• Designed for servicing and commissioning commercial heating systems, 30,000ppm H2 compensated CO sensor and O2 sensor
• Efficient, wireless parallel measurement of up to four testo Smart Probes simultaneously
• Practical second screen function and easy data integration into user-specific software via QR code output
• Bluetooth clamp probes and manometer allow wireless measurement of flow/return temperature alongside gas pressure and differential temperature.
• High-quality sensor technology with up to 6 years' service life

Carry out installation and maintenance work on commercial heating systems using thIis flue gas analyser with Longlife sensors. The testo 300LL Longlife flue gas analyser is supplied with O2 and CO H2-compensated sensor up to 30,000 ppm (optional NO sensor for calculated NOx measurement - can be retrofitted), modular flue gas probe, testo Bluetooth® Connector, carry case and practical accessories.

https://www.testo.com/en-UK/testo-300ll-longlife-standard-kit/p/0564-3004-82