testo 320 NG
€1,079.10
Product information "testo 320 NG"
Flue Gas Analyser testo 320 NG
Flue gas analysers from testo are standard tools for adjusting, servicing and testing oil-fired, gas-fired and condensing heating systems. They measure O₂, CO, flue gas temperature and draught, calculate efficiency and losses, and document the results directly on site.
Key Benefits at a Glance
- Large 5,5-inch touchscreen with real-time data
- App-like user interface with step-by-step guidance for quick navigation and consistent results
- Remote control, second screen and rapid on-site report generation
- Integration of measurements, jobs and instruments in one system via testo Smart Connect
- Simultaneous recording of multiple readings for faster day-to-day work
Scope of delivery
- Flue gas analyser testo 320 NG with O₂ and CO sensors (H₂-compensated, up to 10.000 ppm)
- USB-C mains adapter
Technical specifications
| O₂ | |
|---|---|
| Measuring range | 0 to 21 Vol. % |
| Accuracy | ±0,2 Vol. % ±1 digit |
| Resolution | 0,1 Vol. % |
| Differential pressure draught measurement in flue gas – piezoresistive | |
| Measuring range | -9,99 to +40 hPa |
| Accuracy | ±0,005 hPa (0 to 0,1 hPa ±1 digit, ±0,02 hPa (0,10 to +3,00 hPa) ±1 digit, ±1,5 % of measured value (+3,01 to +40 hPa) ±1 digit |
| Resolution | 0,001 hPa (+0 to 0,1 hPa), 0,01 hPa remaining measuring range |
| Temperature | |
| Measuring range | -40 to +1200 °C |
| Accuracy | ±0,5 % of measured value (remaining measuring range) ±1 digit, ±0,5 °C (0 to +100,0 °C) ±1 digit |
| Resolution | 0,1 °C (-40 to +999,9 °C), 1 °C remaining measuring range |
| Efficiency measurement (η) | |
| Measuring range | 0 to 120 % |
| Resolution | 0,1 % |
| Flue gas heat loss | |
| Measuring range | 0 to 99,9 % |
| Resolution | 0,1 % |
| CO₂ (calculated from O₂) | |
| Measuring range | 0 to CO₂ max (display range) |
| Accuracy | ±0,2 Vol. % ±1 digit |
| Resolution | 0,1 Vol. % |
| Pressure measurement | |
| Measuring range | -100 to +200 hPa |
| Accuracy | ±0,5 hPa (0 to +50,0 hPa) ±1 digit, ±1 % of measured value (+50,1 to +100,0 hPa) ±1 digit, ±1,5 % of measured value (+100,1 t1 +200 ±1 digit |
| Resolution | 0,01 hPa |
| CO in ambient air | |
| Measuring range | 0 to 500 ppm (external with CO probe), 0 to 2000 ppm (internal/flue gas probe) |
| Accuracy | ±10 ppm (30 to 500 ppm) ±1 digit (external with CO probe), ±10 ppm (0 to 100 ppm) ±1 digit (internal/flue gas probe), ±10 % of measured value (101 to 2000 ppm) (internal/flue gas probe), ±3 ppm (0 to 29 ppm) ±1 digit (external with CO probe) |
| Resolution | 1 ppm (external with CO probe), 1 ppm (internal/flue gas probe) |
| General technical specifications | |
| Operating humidity | 15 to +90 %rF (non-condensing) |
| Weight | approx. 685 g |
| Dimensions | Approx. 227 x 102 x 47 mm (LxWxH) (incl. probe connection) |
| Operating temperature | -5 to +45 °C |
| Protection rating | IP40 |
| Connectable probes | 4 x digital Bluetooth® probes or testo Smart Probes; compatible with: Smart Probes (°C, Delta P), CO + CO2 probes |
| System requirements | Requires iOS 17.0 or later; requires Android 14 or later |
| Battery life | 10 h |
| Display type | 5.5“ IPS touchscreen with 1268 × 702 pixels |
| Display | |
| Power supply | Rechargeable battery pack 3.7 V / 2.6 Ah; mains adapter 6 V / 1.2 A |
| Warranty | 24 + 12 months (with registration) |
| Operating period | ~60 min (25 °C) |
| Maximum memory capacity | ≤1.000.000 measured values |
| Interfaces | Bluetooth® 4.2 |
| Wireless range | Up to 100 m (with no obstructions) |
| Charging options | Quick charge |
| Battery charging time | 20 min |
| Storage temperature | -20 to +50 °C |
| Charging temperature | 0 to +35 °C |
Operating conditions
Portable handheld measuring instrument for use in boiler rooms and buildings; rechargeable battery operation with mains adapter.
- Operating temperature: -5 to +45 °C
- Protection rating: IP40
- Battery life: 10 h
- Battery charging time: 20 min
- Storage temperature: -20 to +50 °C
- For construction sites
- For temporary use
- For hard-to-reach areas
- Not suitable for potentially explosive atmospheres (no ATEX certification)
Typical applications
Skilled trades · Building management & facilities · Energy supply · Engineering & technical services
Product information
- Manufacturer: Testo SE & Co. KGaA, Celsiusstraße 2, 79822 Titisee-Neustadt, Germany
- Manufacturer's part number: 0633 3200 12
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Technical Details
| Operating Conditions: | For construction sites, For hard-to-reach areas, For temporary use |
|---|---|
| Primary Function: | Measuring & Testing |
| Sectors/Industry: | Building & Facility Management, Energy Supply & Wind Power, Maintenance & Technical Services, Trades & Workshops |
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