Wöhler A 550 flue gas analyzer (CO 4,000 ppm + 100,000 ppm)
Flue gas analyzer (flue gas measurement) A 550 Robust, yet as easy to use as a smartphone. This is how the new WÖHLER A 550 flue gas analyzer feels in your hand. The advantages of this device are obvious at first glance: all functions on the...
Product code: 7736 Producer: Wöhler Bohemia
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Flue gas analyzer (flue gas measurement) A 550
Robust, yet as easy to use as a smartphone. This is how the new WÖHLER A 550 flue gas analyzer feels in your hand. The advantages of this device are obvious at first glance: all functions on the display are accessible at the touch of a finger.
The wide range of applications of the A 550 analyzer and its advantages
- device software completely in Czech language
- four-year warranty on the device and CO and O 2 sensors
- possibility of searching for the average flow during device calibration
- three independent pumps
- possibility of equipping with five sensors according to customer requirements
- automatic CO sensor overload protection function
- data export - USB, Bluetooth® or infrared interface
- graphic support of measured values
- possibility of saving 1,000 measured values
- strong magnet for holding the device
- wide range of accessories
- screen protection against damage
- possibility of adding software to measure in the annulus
- Graphical preview of measured values before printing them
- selectable units for different measurements
- possibility to manually set the O 2 reference value – calculation of periodic inspection TPG 70401
- flue gas return flow measurement
- wood moisture measurement
- flue gas path draft measurement
- 4 Pa Test
- flue gas analysis
- CO measurement around the appliance
This is the new Wöhler A 550 flue gas analyzer.
High reliability
- effective protection against condensate ingress
- automatic CO sensor flushing
- 4 filters – easily accessible
- device and sensor diagnosis
- battery life of more than 12 hours (Lithium-Ion technology)
- Measuring hoses – robust and flexible
Technical data
| O 2 - measured value: | |
| Sensor: | electrochemical |
| Range: | 0 ... 21.0% |
| Accuracy: | ± 0.3% of the reading |
| CO - measured value: | |
| Sensor: | electrochemical, H 2 -compensated |
| Range: | 0 ... 4,000 ppm, resolution 1 vol. ppm |
| Accuracy: | ± 20 ppm : < 400 ppm, otherwise ± 5% nh |
| CO - measured value: | |
| Sensor: | electrochemical |
| Range: | 0 ... 100,000 ppm, resolution 1 vol. ppm |
| Accuracy: | ± 100 ppm : < 1,000 ppm, otherwise ± 10% nh (at H 2 < 5% of nh) |
| Ambient temperature: | |
| Range: | -20 °C ... 100 °C, resolution 0.1°C |
| Accuracy: | ±1°C |
| Flue gas temperature: | |
| Range: | - 20.0°C ... 800.0°C, resolution 0.1°C |
| Accuracy: | according to 1.BlmSchV and EN 50379 |
| Flue differential draft with 4 Pa test: | |
| Range: | 0.0 ... 110 hPa, resolution 0.1 Pa (< 1000.0 Pa) |
| Accuracy: | ± 0.3 Pa (< 10.0 Pa), otherwise ± 3% nh, current < 0.2 Pa in 5 minutes |
| CO 2 - calculated value: | |
| Display: | 0 ... CO2max |
| Distinction: | 0.1% |
| Heat loss: | |
| Distinction: | 0.1% |
| Efficiency: | |
| Display: | 0 ... 110.0% |
| Dew point: | |
| Distinction: | 0.1% |
| Condensate quantity: | |
| Display: | in kg/m 3 (gas) or kg/l (oil) |
| Excess air | |
| Flow rate | |
| 4 Pa test | |
| Wood moisture: | |
| Measurement principle: | electrical resistance measurement |
| Measurement range: | 10.0...40.0%, resolution 0.1% |
| Accuracy: | ± 40% calculated according to VDI 4206 part 4 |
| General information: | |
| Storage temperature: | -20°C ... 50°C |
| Working temperature: | + 5 °C ... 40 °C (taking into account maintaining measurement accuracy) |
| Working hours: | > 12 h (depending on working conditions and display backlight) |
| Power supply: | lithium-ion battery 3.7 V, 5,800 mAh, charging via USB |
| Weight: | 1,250 grams |
| Dimensions: | 220 x 160 x 55 mm (without probe) |
| Probe hose length: | 1,700 mm |
Scope of delivery
- basic configuration with measuring hose with 295 mm probe, CO sensor 4,000 ppm and CO sensor 100,000 ppm, with the option of additionally installing a NO 2 or SO 2 sensor, ambient CO measurement, 4 Pa test
- penetration probe for measuring humidity
- USB charging adapter with micro USB cable
- Li-Ion battery
- plug-in temperature sensor
- cotton rolls and stop filter
- small plastic suitcase

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