testo 300+ Flue Gas Analyser Handset only - (O2, CO Sensor up to 8,000 ppm) 0633 3004 95 458s crucial for assessing heating and

crucial for assessing heating and cooling systems

Still unsure

Bluetooth connection use with testo Smart App (free download)

set your own favourites

The testo 558s features intuitive touchscreen operation

testo 300+ Flue Gas Analyser Handset only - (O2, CO Sensor up to 8,000 ppm) 0633 3004 95 458s crucial for assessing heating andNext Day Tracked DPD Delivery Limited Stock Availability Hurry! Next Day FREE Delivery Your benefits Designed for domestic boiler service, 8,000ppm 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 CO sensor and O2 sensor fitted with 5 year lifespan Wired clamp probes