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Description
This Testo 350 option adds DC voltage measurement capabilities to your existing flue gas analyser. It's a practical upgrade for HVAC technicians and combustion specialists who need to integrate specific sensor readings or perform quick electrical checks while on a job site.
Having this extra function directly on your main analyser can save you from lugging around a separate multimeter, especially useful when you're working on dusty rooftops or in cramped plant rooms where carrying less gear is always a bonus.
Best For
- HVAC service technicians
- Industrial combustion specialists
- Maintenance teams working with Testo 350 analysers
Compatibility
This option is specifically designed as an add-on module for the Testo 350 flue gas analyser. It expands the analyser's standard functionality to include direct DC voltage measurements, integrating seamlessly with its operating system.
If you're running a different model, check fittings and specs before ordering.
Features
- Adds DC voltage measurement capability to Testo 350 analysers.
- Integrates directly with the analyser's display and data logging functions.
- Designed for reliable performance in demanding field conditions.
- Expands the utility of your Testo 350, reducing the need for additional tools.
Using It on the Job
- Ensure your Testo 350 analyser is powered off and at a safe operating temperature.
- Carefully install the DC voltage option module into the designated slot on your Testo 350 analyser, following the manufacturer's instructions.
- Power on the analyser and navigate its menu to confirm the new DC voltage measurement function is available and recognised.
- Perform any necessary calibration or zeroing of the sensor via the Testo 350's internal diagnostics if prompted.
- Always follow Testo's operational guidelines and safe electrical practices when taking measurements.
Limitations & Safety Notes
- Requires a compatible Testo 350 flue gas analyser for proper operation.
- This is an integrated option, not a standalone DC voltage meter.
- Always ensure proper connection and insulation when measuring voltage to prevent electrical hazards.
- Only use the module as per Testo manufacturer guidelines and relevant Australian safety standards.
Tradie Pro Tip: Keep your Testo 350 analyser's firmware up to date when adding new options like this. A quick update often ensures everything talks properly and avoids unexpected glitches on site, saving you headaches.
Pair With
Pair with a full Testo 350 Flue Gas Analyser kit and a spare set of filters and probes for uninterrupted readings on site, or consider additional Testo accessories to further expand your analyser's capabilities.

















