Differential Pressure – Piezoresistive Technical Data

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 O₂ Technical Data

Measuring range 0 to 21 Vol.%
Accuracy ±0.2 Vol.%
Resolution 0.1 Vol.%

CO determination (without H₂-compensation), automatic dilution in testo 320-2 LL Technical Data

Measuring range 0 to 15000 ppm
Accuracy ±200 ppm or ±20 % of mv (0 to 15000 ppm)
Resolution 1 ppm

Flue gas NO Technical Data

Measuring range 0 to 3000 ppm
Accuracy ±5 ppm (0 to 100 ppm)
±5 % of mv (101 to 2000 ppm)
±10 % of mv (2001 to 3000 ppm)
Resolution 1 ppm

Flue gas Draught Technical Data

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 Technical Data

Measuring range -40 to +1200 °C
Accuracy ±0.5 °C (0.0 to +100.0 °C)
±0.5 % of mv (Remaining Range)
Resolution 0.1 °C (-40 t1 +999.9 °C)
1 °C (Remaining Range)
dependent on the thermocouple

Flue gas degree of effectivity, Eta (calculated) Technical Data

Measuring range 0 to 120 %
Resolution 0.1 %

Flue gas loss (calculated) Technical Data

Measuring range 0 to 99.9 %
Resolution 0.1 %

Flue gas CO₂ calculation (calculated from O₂) Technical Data

Measuring range Display range 0 to CO₂ max
Accuracy ±0.2 Vol.%
Resolution 0.1 Vol.%

Flue gas CO (without H₂-compensation) Technical Data

Measuring range 0 to 4000 ppm
Accuracy ±20 ppm or ±10 % of mv (0 to 400 ppm)
±5 % of mv (401 to 2000 ppm)
±10 % of mv (2001 to 4000 ppm)
Resolution 1 ppm

General Technical Data

Dimensions 270 x 160 x 57 mm
Power supply Rech. batt. block 3.7 V / 2.6 Ah; Mains unit 6 V / 1.2 A (optional)
System requirements requires iOS 7.1 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
Maximum 500000 readings
Operating temperature -5 to +45 °C
Storage temperature -20 to +50 °C
Weight 720 g (excluding battery)