Testo 300 Longlife Flue Gas Analyser

The Testo 300 Longlife Flue Gas Analyser is built for heating engineers who are on the tools daily, tackling multiple heating system installs and maintenance jobs. It's designed to give you accurate readings for O₂ and CO, plus draught, pressure, and differential temperature, all with a user-friendly Smart-Touch display.

When you're out on a dusty rooftop or squeezed into a plant room, you need gear that responds fast and keeps up. This unit helps you get those critical combustion measurements sorted quickly, saving you time and headaches on site.

Best For

• Heating and boiler technicians
• HVAC service and maintenance teams
• Commissioning engineers for heating systems
• Trade apprentices learning combustion analysis

Compatibility

This analyser is engineered for use on a wide range of heating systems, including gas, oil, and solid fuel appliances, to measure flue gas parameters like O₂ and CO. It also handles draught, pressure, and differential temperature measurements. If you're running a different model or unusual setup, check fittings and specs before ordering.

Features

• Equipped with O₂ and CO sensors, with CO measuring up to 4,000 ppm.
• Longlife sensors offer an extended service life of up to 6 years, reducing replacement frequency.
• Automatic sensor protection helps maintain sensor longevity for intensive daily use.
• Integrated micro-pressure measurement for precise draught and differential pressure readings.
• Intuitive 5-inch Smart-Touch HD display provides quick navigation and clear data viewing.
• Features a strong magnetic holder for convenient fixing during measurements.
• Ability to create, save, and e-mail PDF measurement reports directly from the instrument via WLAN.

Technical Specifications

What's in the Box

• Testo 300 Longlife flue gas analyser (SKU: 0633 3004 70)
• O₂ and CO sensor (up to 4,000 ppm)
• USB mains unit

Using It on the Job

1. Charge & Power On: Ensure the analyser is fully charged for up to 10 hours of operation. Power it on and allow it to perform its quick zeroing phase.
2. Probe Setup: Attach the correct flue gas probe shaft for the application. Ensure it's securely fitted and the seals are good to prevent ambient air ingress.
3. Position Probe: Insert the probe into the flue gas test port according to manufacturer guidelines, ensuring the tip is in the correct position for accurate sampling.
4. Run Measurement: Select the relevant measurement menu on the Smart-Touch display (e.g., flue gas analysis, draught, or differential pressure). The analyser will display real-time readings.
5. Document & Report: Utilise the on-board documentation features to save readings, customer details, and even get a signature. E-mail the PDF report to the office or client directly via WLAN.
6. Post-Use Care: Remove the probe, allow it to cool, and clean any soot or condensation. Store the analyser and probes in their case to protect the sensors and display.

Limitations & Safety Notes

• Always ensure the flue gas probe is correctly positioned to avoid inaccurate readings due to dilution or incomplete sampling.
• This analyser is specifically for combustion analysis and related measurements; do not use it for testing unknown gas compositions without appropriate safety precautions.
• For optimal sensor lifespan, ensure proper storage and avoid exposure to extreme temperatures or corrosive environments.
• Regular calibration and maintenance are crucial for maintaining the accuracy and compliance of the instrument.
• Follow all relevant Australian standards, local regulations, and Safe Work guidance when performing any combustion system diagnostics.

Tradie Pro Tip

Don't skip the standby mode between jobs. It keeps the analyser ready to go, so you're not waiting for a full zeroing phase at every new customer's site. It saves time, especially on a busy morning run.

Pair With

Pair this Testo 300 with an optional Testo Bluetooth printer for instant hard copies of reports, or grab additional flue gas probe shafts for different applications.