The integrated, precise differential pressure sensor measures the differential pressure/dynamic pressure at the sensor tip. The pressure depends on the respective gas velocity. The flow is therefore easy to determine by means of the pipe diameter.

The additional measurement of temperature and absolute pressure and calculation of the relevant density means that measuring can be carried out for various gases, a wide variety of temperatures and pressures.
Unit of Measure
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VD 550 Robust Flow Sensors for Wet Compressed Air and Gases

VD 550 Robust Flow Sensor for Wet Compressed Air and Gases
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PC 400 and DS 400 Particle Counters

5 Meter (m) Length Connection Cable
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Connection Cable for 32.81 Feet (Ft) Length Probes with Open Ends
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16 Feet (ft) Length Ethernet Connection Cable
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32 Feet (ft) Length Ethernet Connection Cable
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Description N/A The integrated, precise differential pressure sensor measures the differential pressure/dynamic pressure at the sensor tip. The pressure depends on the respective gas velocity. The flow is therefore easy to determine by means of the pipe diameter.

The additional measurement of temperature and absolute pressure and calculation of the relevant density means that measuring can be carried out for various gases, a wide variety of temperatures and pressures.
N/A Connection cable for probes 5 m, with open ends N/A Connection cable for probes 32.81 ft with open ends N/A Ethernet Connection Cable Length 16 Ft, M12 Plug X-coded (8 Pin) To Rj 45 Plug N/A Ethernet connection cable length 32 ft, M12 plug x-coded (8 pin) to RJ 45 plug
Approve Payments N/A Finance with Approve Payments

Measuring Range (Compressed Air) N/A 2 to 224 m/s600 m/s N/A N/A N/A N/A
Differential Pressure for Gases N/A 0.04 to 500 mbar N/A N/A N/A N/A
Measured Medium N/A Air Gas N/A N/A N/A N/A
Accuracy N/A ± 1.5% of Measured Value (M.V.) N/A N/A N/A N/A
Measuring Principle N/A Differential Pressure N/A N/A N/A N/A
Measuring Span N/A 1:100 300 N/A N/A N/A N/A
Response Time N/A t 99 <1 sec N/A N/A N/A N/A
Temperature of The Medium N/A -22 to 356 ºF N/A N/A N/A N/A
Operating Pressure N/A -1 to +100 barg N/A N/A N/A N/A
Ambient Temperature N/A -4 to +158 ºF N/A N/A N/A N/A
Protection Class N/A Ingress Protection (IP 67) N/A N/A N/A N/A
Direct Current (DC) Voltage N/A 18 to 36 V N/A N/A N/A N/A
Power N/A 5 W N/A N/A N/A N/A
Outputs N/A 1x 4 to 20 mA analogue output (electrically not isolated), pulse output, RS 485 (Modbus-RTU) N/A N/A N/A N/A
Optional Output N/A 2 x 4 to 20 mA active, Ethernet interface (PoE), M-Bus N/A N/A N/A N/A
Length N/A N/A 5 m N/A N/A 16 ft N/A 32 ft
Voltage N/A
Alternating Current (AC) Voltage N/A
Frequency N/A
Benefits N/A Benefits at a glance:
  • Unique sensitivity in the lower measuring range: Measures from as little as 2 m/s and thus covers the complete operating range of variable speed drive (VSD) compressors
  • Particularly suitable for extremely high flow rates
  • Flow, total consumption, temperature and pressure
  • Measurement at high temperatures, max. temperature 356 ºF
  • Can be used in pipes from DN 20 to DN 600
  • Installation via 1/2" ball valve under pressure
  • Robust impact-proof aluminum die cast housing for outdoor area IP 67
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Field of Application N/A
  • Wet air
  • Technical gas
  • Mixed gases: e.g. natural gas/H2
  • LPG
  • Propane
  • CO2
N/A N/A N/A N/A
Typical Applications N/A
  • Measurement of the capacity of compressors
  • Compressed air audits
  • Efficiency measurement of compressed air systems
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