Description
Testo 320 Combustion Analyzer Kit with O2 and CO Sensors, 5000 ppm
Clear data. Streamlined workflows. Access your data anywhere. Get your job done faster, every day
The Testo 320 is designed to simplify the daily work of HVAC/R professionals by combining reliable combustion analysis with intuitive operation and connected digital workflows. As systems become more complex and service demands increase, the testo 320 helps technicians work more efficiently with guided measurement processes, clear data visualization, and seamless connectivity through the Testo Smart App. Measurements can be controlled remotely, documented on site, and converted into professional reports in just a few steps, reducing paperwork and improving productivity.
Built for dependable performance in standard HVAC/R applications, the testo 320 features Testo-developed sensors and a large 5.5-inch touchscreen that provides a clear overview of critical measurement data. Step-by-step workflows help minimize errors and speed up navigation, while parallel measurements allow multiple values to be captured simultaneously for faster diagnostics. Combined with long battery life and fast USB-C charging, the testo 320 keeps technicians working efficiently throughout the day with minimal downtime.
Key Features & Benefits
- Clear View at a Glance: Large 5.5-inch touchscreen displays real-time measurement data for easy viewing and analysis.
- Streamlined Workflows: App-like interface with step-by-step guidance enables fast navigation and consistent results.
- testo Smart App Integration: Remotely control measurements, use a second screen, and generate reports directly on site.
- Centralized Data Management: Connect measurements, jobs, and devices in one system through testo Smart Connect.
- Parallel Measurements: Capture multiple measurement values simultaneously for greater efficiency in daily service work.
- All-Day Operation: Long battery life and fast charging help minimize downtime and keep workflows moving.
Specs
| Testo 320 Measurement Specs | |
|---|---|
| O2 Measuring Range | 0 to 21 vol.% |
| O2 Accuracy | ±0.2 vol.% |
| O2 Resolution | 0.1 vol.% |
| CO Measuring Range without H2 Compensation | 0 to 5,000 ppm |
| CO Accuracy without H2 Compensation | ±20 ppm from 0 to 400 ppm; ±5% of measured value from 401 to 2,000 ppm; ±10% of measured value from 2,001 to 5,000 ppm |
| CO Resolution | 1 ppm |
| Efficiency Measuring Range | 0% to 120% |
| Efficiency Resolution | 0.1% |
| Flue Gas Loss Measuring Range | 0% to 99.9% |
| Flue Gas Loss Resolution | 0.1% |
| CO2 Display Range | 0 to CO2 maximum, calculated from O2 |
| CO2 Accuracy | ±0.2 vol.% |
| CO2 Resolution | 0.1 vol.% |
| Draft Measuring Range | -0.29 to 1.18 inHg |
| Draft Accuracy | ±0.0001 inHg from 0 to 0.003 inHg; ±0.00014 inHg from 0.002 to 0.089 inHg; ±1.5% of measured value from 0.089 to 1.181 inHg |
| Draft Resolution | 0.00003 inHg from 0 to 0.003 inHg; 0.0003 inHg throughout the remaining range |
| Pressure Measuring Range | -0.29 to 1.18 inHg |
| Pressure Accuracy | ±0.014 inHg from 0 to 1.476 inHg; ±1% of measured value from 1.479 to 2.952 inHg; ±1.5% of measured value from 2.955 to 5.905 inHg |
| Pressure Resolution | 0.0002 inHg |
| Temperature Measuring Range | -40°F to 2,192°F |
| Temperature Accuracy | ±0.9°C from 32°F to 212°F; ±0.5% of measured value throughout the remaining range |
| Temperature Resolution | 0.18°F from -40°F to 1,831.82°F; 1.8°F throughout the remaining range |
| Ambient CO Range with Internal or Flue Gas Probe | 0 to 2,000 ppm |
| Ambient CO Accuracy with Internal or Flue Gas Probe | ±10 ppm from 0 to 100 ppm; ±10% of measured value from 101 to 2,000 ppm |
| Ambient CO Range with External CO Probe | 0 to 500 ppm |
| Ambient CO Accuracy with External CO Probe | ±3 ppm from 0 to 29 ppm; ±10% of measured value from 30 to 500 ppm |
| Ambient CO Resolution | 1 ppm |
| Testo 320 General Specs | |
| Storage Temperature | -4°F to 122°F |
| Operating Temperature | 23°F to 113°F |
| Charging Temperature | 32°F to 95°F |
| Humidity Application Range | 15% to 90% RH, non-condensing |
| Power Supply | Rechargeable battery or USB mains unit |
| Battery Life | Up to 10 hours |
| Quick Charge | 20-minute charge provides approximately 60 minutes of operation at 77°F |
| Protection Class | IP40 |
| System Requirements | iOS 17.0 or later; Android 14.0 or later; Bluetooth 4.2 or later |
| Wireless Range | Up to 328 ft with no obstructions |
| Wireless Probe Connection | Supports up to 4 Bluetooth probes, including Smart Probes for temperature and differential pressure, CO probes, and CO2 probes |
| Memory | Up to 1,000,000 readings |
| Display | 5.5-inch IPS touchscreen, 1268 × 702 pixels |
| Weight | Approx. 1.5 lb |
| Dimensions | Approx. 9 x 4 x 2 in (L x W x H), including probe connection |
| Warranty | 24 months plus 12 additional months with registration |
