Measured variables

• Flue gas velocity
• Volume flow¹⁾

Measuring ranges

• 2 ... 50 m/s
• 0 ... 3 000 000 m³/h

Measuring principle

Differential pressure

Sample gas temperature

Above dew point up to 450 °C, optional up to 850 °C

Sample gas pressure

-200 up to +200 hPa, optional higher

Channel diameter

0.4 ... 8 m

Ambient temperature

-20 ... +50 °C

Degree of protection

IP65

Measured value output

0/4 ... 20 mA, 500 ?

Digital outputs

2 relay outputs, load rating 48 V/0.5 A

Digital inputs

None

Accuracy

< 2% of the measuring range

Detection limit

< 3 m/s

Reference point drift

< 0.5% of measuring range / month

Zero point drift

< 0.5% of measuring range / month

Auxiliary power

18 ... 32 VDC/1 A, 90 ... 264 VAC, 48 ... 62 Hz, 100 VA

Dimensions

• Probes

380 x 160 x (300 + probe length) mm

• Probe length

0.4 ... 2/0.4 ... 4/0.4 ... 8 m

Weight

32 kg + 6.8 kg/m probe length

Purge-air supply (optional)

6 ... 8 bar for back purging