VA 550 - Flow meter for heavy duty industrial applications

Flow meter for heavy duty industrial applications

The immersion flow meter VA 550 is the ideal flow sensor for installation into existing compressed air resp. gas lines from 3/4“ up to DN 500.

Special mechanical features:

• Robust impact-proof aluminum die cast housing for the outdoor area IP 67
• All medium-touching parts made from stainless steel 1,4571
• As immersion sensor suitable for 3/4“ up to DN 500
• On request with ATEX approval ATEX II 2G Ex d IIC T4
• On request with DVGW approval for natural gas (up to 16 bar)
• Pressure range up to 50 bar, special version up to 100 bar
• Temperature range up to 180 °C
• No moving parts, no wearout
• Sensor tip very robust, easy to clean
• Easy mounting and dismounting under pressure via 1/2“ ball valve
• Housing twistable, display twistable by 180°
• Safety ring for mounting and dismounting under pressure
• Depth scale for precise installation

Special measurement technology features:

• 4 values in the display: Nm³/h, Nm³, Nm/s, °C units freely adjustable
• Min/max values and daily/hours/minutes average values freely adjustable
• All measured values, settings like gas type, inner diameter, serial number and so on retrievable via Modbus RTU
• Comprehensive diagnosis functions readable at the display or remote access via Modbus like e. g. exceeding of max/min values °C, calibration cycle, error codes, serial number, all parameters readable and adjustable
• Notification in case of exceeding of the calibration cycle
• Standard version accuracy 1.5 % of m.v. ± 0.3 % of f.s.
• Precision version accuracy 1.0 % of m.v. ± 0.3 % of f.s. up to
• 40 calibration points with certificate
• Measuring span of 1 : 1000 (0.1 up to 224 m/s)
• Configuration and diagnosis via display, hand-held instrument
• PI 500, PC service software on-site
• Gas type (air, nitrogen, oxygen, argon and so on) freely adjustable
• Reference conditions °C and mbar/hPa freely adjustable
• Zero-point adjustment, leak flow volume suppression
• Pressure loss negligible
• Flow measurement in both directions via flow direction switch

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