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