Testo 300 Pro Portable Combustion Analyzer

The Testo 300 Pro is portable combustion analyzer for measurement of flue gas, draft, pressure, ambient CO, and differential temperature. It comes with CO and O2 sensors standard and can be retrofitted with NO sensor. It’s ideal for heating engineers who carry out installation and maintenance work on heating systems several times a day.

Testo 300 Pro features a 5” HD display with touch-screen operation, long life sensors, robust construction. The instrument has structured measurement menus, so you can get measurement results faster. You can also create documentation including measuring value, measuring location, customer data. Integrated Wi-Fi and Bluetooth connectivity so you can email or print reports in the field.

Flexible enough to work in a variety of applications with quick-change probes. The multi-functional probe handle lets you quickly change probe shafts. Use longer probe shafts for flue gas pipes with larger diameters or flexible probes for difficult-to-access measuring points. Probes and accessories are available for purchase separately.

• Intuitive measurement menus and easy touch-screen operation
• Including O2, CO sensor up to 4,000 ppm (NO sensor - can be retrofitted)
• Long-life sensors with up to 6 years of service life
• Optional probes and accessories for gas flow pressure measurement, gas pipe testing, differential temperature measurement and ambient CO measurement
• Integrated micro-pressure measurement
• Ready to measure at the touch of a button in standby mode, no need to wait for the end of the zeroing phase
• Magnetic holder to fix instrument in place
• Replaces retired Testo 330-1 and Testo 330-2 combustion analyzers
• Manufacturer's warranty of up to 5 years on O2 and CO sensor with product registration

Model Selection Guide

Use this table to find the right model for your application.  Don't see the option you need? Call a Lesman sales specialist at 800-953-7626.

All kits include: testo 300 Pro instrument, O2 sensor (0 to 21 Vol.%), CO sensor (0 to 4,000 ppm), 12" flue gas probe (1/4" diameter, 7' teflon hose, 932°F), 10 spare part filters, power supply, USB cable, hard shell instrument case.