Testo 300 Pro Combustion Analyzer
by Testo
5" HD SmartTouch display, LongLife O2 and CO sensors, instant standby-mode startup, WiFi for on-site email reporting, and up to 5-year sensor warranty.
7.4 - Excellent Custom · $1,200 Mobile App 22 Features
1 Integrations
Smart Tool
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www.testo.com
About This Product
The Testo 300 is widely considered the gold standard for commercial combustion analysis in North America. Replaceable Testo 330. NOx sensor upgrade available separately. The 300-LL (LongLife) commercial variant offers extended sensor life for high-cycle contractors.
Tool Specifications
- Sensor Type
- Electrochemical
- Accuracy Class
- Lab Grade
- Measurement Range
- O2: 0–21%; CO: 0–4,000 ppm (8,000 with H2 comp); Draft: -10 to +40 inH2O
- Ruggedness
- Field
- Battery
- Li-Ion Rechargeable
- Warranty
- 5 years
- Ecosystem
- Testo Smart Probes
- Companion App
- testo Smart App
Data Logging Mobile App
FSH Score Breakdown
Ease of Use 7.0
Features 9.0
Support 8.0
Value 6.0
Integrations 7.0
AI Capabilities 2.0
Customer Reviews
Features
22 features confirmed across
8categories· Showing confirmed capabilities only
Hardware Features6features
Magnetic MountingIntegrated extra-strong magnetsQuick-Change ProbesQuick-change probes and multi-functional handleRechargeable Battery10-hour rechargeable battery lifeSensor LongevityLongLife O2 and CO sensors with up to 6 years service lifeTouchscreen Display5-inch HD Smart-Touch displayMulti-Measurement ModesMulti-site measuring program
Compliance & Safety5features
Temperature Split CalculatorDeltaHeat temperature difference calculationCarbon Monoxide MeasurementO2, H2-compensated CO sensor up to 30,000 ppm with integrated fresh air dilution and NO sensorAir BalancingAir balancing measurement programGas Pressure MeasurementIntegrated fine pressure and 4 Pa measurementNOx Emissions TestingNO sensor capability
Mobile & Field Tools3features
Bluetooth Probe IntegrationOne-click Bluetooth connectionDigital SignaturesSignature function for customer reportsBluetooth PrintingIntegrated Bluetooth interface for printing
Equipment & Asset Management3features
Air Quality MonitoringHumidity mode with mold risk assessmentProduct Registration5-year manufacturer warranty on O2 and CO sensors with product registrationRemote MonitoringRemote control of instruments
Platform & Customization2features
Data ImportAutomatic data synchronizationThird-Party IntegrationTesto interface function for direct data transfer
Customer Communication1feature
Email IntegrationIntegrated WiFi for email reporting
Reporting & Analytics1feature
ReportingPDF and CSV report generation
Technician Management1feature
Electrical Measurement TrackingParallel measurements
Integrations 1 across 1 category
Industry-Specific 1
Testo
Pricing
- Model
- Custom
- Starting at
- $1,200
- Notes
- Retail purchase. Residential RC kit ~$1,200–1,665 USD; Commercial LongLife kit ~$2,013 USD.
