MEDICIÓN DE CAUDAL VOLUMÉTRICO

AirFlow P

Medición de flujo volumétrico, especialmente en aplicaciones polvorientas. Fácil instalación en conductos existentes, no se requieren Venturi ni conversiones similares. Se puede utilizar en entornos con bajas cargas de polvo o en condiciones duras con, por ejemplo, altas temperaturas o altas cargas de polvo.

AirFlow P es el dispositivo de medición perfecto para medir el flujo volumétrico en lugares donde las mediciones de presión diferencial no se pueden utilizar debido a una carga excesiva de polvo o donde las conversiones de conductos no son posibles o deseables.

Nueva versión de alta temperatura disponible, adecuada para aplicaciones de hasta 800°C

  • Reliable measured values even in dusty applications
  • Easy to retrofit
  • No calibration necessary
  • Output in operating cubic meters
  • Suitable for all diameters and geometries
  • No venturi (constriction) needed
  • Suitable for applications up to 800 °C
  • Cement
  • Chemistry
  • Energy
Technical Specifications
Material to measure Dust
Working principle Electrodynamic
Process temperature standard version -20 … +150 °C
Process temperature high temperature version -20 … +800 °C
Mounting Weld on socket, TriClamp
Type of Conveying Air transport
Flow rates Up to 20 g/m³
Pipe diameter Independend
ATEX rating No
Output Relay, analogue output
Technical Data
Sensor
Power supply 24 V DC, fed by evaluation unit
Measuring range from 1 mg/m³
Speed range 1 m/s … 100 m/s
Process temperature standard version -20 … +150 °C
Process temperature high temperature version -20 … +800 °C
Ambient temperature -20 … +60 °C
Housing material Aluminium
Sensor rod material Stainless steel
Protection type IP65
Dimensions 220 x 840 x 120 mm (W x H x D)
Weight 5.5 kg
Evaluation unit (DIN Rail)
Power supply 24 V DC ± 10 %
Power consumption 20 W / 24 VA
Protection type IP40 to EN 60 529
Ambient operating temperature -10 … +45 °C
Dimensions 23 x 90 x 118 mm (W x H x D)
Weight Approx. 172 g
DIN rail fastening DIN 60715 TH35
Connection terminals cable cross-section 0.2 – 2.5 mm² [AWG 24-14]
Current output 1 x 4 … 20 mA (0 … 20 mA),
load < 500 Ω (Active)
Interface Modbus RTU (RS 485) / USB
Pulse output Open Collector – max. 30 V, 20 mA
Relay contact Max. rated load: 250 V AC
Max. peak current: 6 A
Max. rated load 230 V AC: 250 VA
Max. breaking capacity DC1:
3/110/220 V: 3/0.35/0.2 A
Min. switching load:
500 mW (10 V / 5 mA)
Data backup Flash Memory
Evaluation unit (field housing)
Power supply 110 / 230 V AC 50 Hz (optional 24 V DC)
Power consumption 20 W / 24 VA
Protection type IP65 to EN 60 52910.91
Ambient operating temperature -10 … +45 °C
Dimensions 258 x 237 x 174 mm (W x H x D)
Weight Approx. 2.5 kg
Interface RS 485 (Modbus RTU) / USB
Cable screw connectors 3 x M20 (4.5 – 13 mm Ø)
Connection terminals cable cross-section 0.2 – 2.5 mm² [AWG 24-14]
Current output 3 x 4 … 20 mA (0 … 20 mA),
load < 500 Ω (Active)
Pulse output Open Collector – max. 30 V, 20 mA
Relay contact Max. rated load: 250 V AC
Max. peak current: 6 A
Max. rated load 230 V AC: 250 VA
Max. breaking capacity DC1:
3/110/220 V: 3/0.35/0.2 A
Min. switching load:
500 mW (10 V / 5 mA)
Data backup Flash Memory
Via two antennas that protrude into the air duct, the AirFlow P is able to perform a very accurate speed measurement.

If the area of the duct is stored on the evaluation unit, the AirFlow P system supplies a signal at the analogue output cubic metres per hour (v x A).

By using the latest technologies, it is possible to measure a volume flow with the AirFlow P in clean gas ducts with a dust loading of only a few mg/m3.

It is also possible to use the AirFlow P as a pure speed measuring device, e. g. in order to keep the actual material velocity constant.

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