The testo 320 features all the essential functions for carrying out flue gas analysis on domestic heating systems, including flue draught, pressure measurements, and differential temperature measurement. The flue gas analyser is easy to use with its full-colour graphic display featuring user-friendly menu guidance. The analyser measures both O2 and CO (4,000ppm sensor fitted as standard) and can also display calculated parameters such as combustion ratio, CO2, etc.
testo 320B Flue Gas Analyser, rechargeable battery and calibration protocol, Flue Gas Probe (180mm x 6mm diameter), Pressure hose connection kit, Differential temperature kit (2 x pipe clamp probes), testo infrared printer, soft carry case with shoulder strap, AC/USB power supply.
Please note that this product is made to order. Typical lead time may be 2-3 weeks. Please contact us to get a more exact delivery date.
| Flue gas O2 | |
|---|---|
| Measuring range | 0 to 21 Vol.% |
| Accuracy | ±0.2 Vol.% |
| Resolution | 0.1 Vol.% |
| Reaction time t90 | < 20 s |
| Differential Pressure flue gas Draught - Piezoresistive | |
|---|---|
| Measuring range | -9.99 to +40 hPa |
| Accuracy | ±0.02 hPa or ±5 % of mv (-0.50 to +0.60 hPa)
±0.03 hPa (+0.61 to +3.00 hPa) ±1.5 % of mv (+3.01 to +40.00 hPa) |
| Resolution | 0.01 hPa |
| Temperature | |
|---|---|
| Measuring range | -40 to +1200 °C |
| Accuracy | ±0.5 °C (0 to +100.0 °C)
±0.5 % of mv (Remaining Range) |
| Resolution | 0.1 °C (-40 to +999.9 °C)
1 °C (> +1000 °C) |
| Flue gas degree of effectivity, Eta (calculated) | |
|---|---|
| Measuring range | 0 to 120 % |
| Resolution | 0.1 % |
| Flue gas loss (calculated) | |
|---|---|
| Measuring range | 0 to 99.9 % |
| Resolution | 0.1 % |
| Flue gas CO2 calculation (calculated from O2) | |
|---|---|
| Measuring range | 0 to CO2 max (Display range) |
| Accuracy | ±0.2 Vol.% |
| Resolution | 0.1 Vol.% |
| Accuracy | 40 s |
| Pressure measurement | |
|---|---|
| Measuring range | 0 to +300 hPa |
| Accuracy | ±0.5 hPa (0.0 to 50.0 hPa)
±1 % of mv (50.1 to 100.0 hPa) ±1.5 % of mv (Remaining Range) |
| Resolution | 0.1 hPa |
| Flue gas CO (without H2-compensation) calculation | |
|---|---|
| Measuring range | 0 to 4000 ppm |
| Accuracy | ±20 ppm (0 to 400 ppm)
±5 % of mv (401 to 2000 ppm) ±10 % of mv (2001 to 4000 ppm) |
| Resolution | 1 ppm |
| Reaction time t90 | < 60 s |
| Ambient CO | |
|---|---|
| Measuring range | 0 to 4000 ppm |
| Accuracy | ±20 ppm (0 to 400 ppm)
±5 % of mv (401 to 2000 ppm) ±10 % of mv (2001 to 4000 ppm) |
| Resolution | 1 ppm |
| Reaction time t90 | < 60 s |
| General technical data | |
|---|---|
| Weight | 573 g |
| Dimensions | 240 x 85 x 65 mm |
| Operating temperature | -5 to +45 °C |
| Protection class | IP40 |
| Display size | 240 x 320 pixels |
| Display function | Colour graphic display |
| Power supply | Battery: 3.7 V / 2,400 mAh; Mains unit: 5 V / 1 A |
| Storage temperature | -20 to +50 °C |
