| Shipping | Tax | Terms Shopping Cart 0 Items Request for Quote 0 Items All Categories > VA 520 Inline Flow Meters > Item # 0695 1527 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # 0695 1527, VA 520 Flow Meter with R 3/8 Inch (in) Connection Thread and Stainless Steel 1.4404 Measuring Section Web Price QUOTE larger image Display shows 2 values at the same time:Present flow in m³/h, CFMTotal consumption (counter reading) in CFTemperature measurementReadout values in the display can be rotated by 180º, e.g. for overhead installation. Specifications Parameters m³/h, CFM (1000 mbar, 20 ºC) in case of compressed air or Nm³/h, Nl/min (1013 mbar, 0ºC) In Case of Gases Units Adjustable Via Keys at Display CFM ft/min g/s kg/h kg/min L/s lb/h lb/min m/s m³/h m³/min Sensor Thermal Mass Flow Sensor Measured Medium Air Gases Gas Types are Adjustable Over CS Service Software or CS Data Logger Air Argon CO2 Nitrogen Oxygen Accuracy ± 1.5% of Measured Value (M.V.) ± 0.3% of Full Scale (F.S.) Accuracy on Request ± 0.3% of Full Scale (F.S.) ± 1% of Measured Value (M.V.) Operating Temperature -22 to 176 ºF Operating Temperature with Pressure Sensor -25 to 349 ºF Operating Pressure -1 to 232 psi Optional Pressure Up to Nominal Pressure (PN) 40 Digital Output (Modbus-RTU), Optional: Ethernet interface PoE) M-Bus RS 485 Interface Analog Output for Cubic Feet per Minute (CFM) 4 to 20 mA Pulse Output 1 pulse per CF or per litre electrically isolated. Pulse weight can be set on the display.Alternatively, the pulse output can be used as an alarm relay Direct Current Voltage (VDC) Supply 18 to 36 V Power Supply 5 W Burden < 500 Ω Housing Material Polycarbonate Protection Rating Ingress Protection (IP 65) Measuring Section Stainless Steel 1.4404 Mounting Position Any Low-Speed Air Flow (164 Feet (ft)/Sec (s)) 225 nL/min8 cfm Standard Air Flow (304 Feet (ft)/Sec (s)) 25 m³/h14.7 cfm Maximum Air Flow (607 Feet (ft)/Sec (s)) 50 m³/h29.4 cfm High-Speed Air Flow (735 Feet (ft)/Sec (s)) 60 m³/h35.3 cfm Note for Air Flow Reference conditions DIN 1945 / ISO 1217: 68 ºF, 14 psi Low-Speed Argon (Ar) Flow (164 Feet (ft)/Sec (s)) 330 nL/min11.7 cfm Standard Argon (Ar) Flow (304 Feet (ft)/Sec (s)) 35 m³/h20.5 cfm Maximum Argon (Ar) Flow (607 Feet (ft)/Sec (s)) 75 m³/h44.1 cfm High-Speed Argon (Ar) Flow (735 Feet (ft)/Sec (s)) 95 m³/h55.9 cfm Note for Argon (Ar) Flow Setting to DIN 1343: 32 ºF, 14.7 psi Low-Speed Carbon Dioxide (CO2) Flow (164 Feet (ft)/Sec (s)) 225 nL/min7.9 cfm Standard Carbon Dioxide (CO2) Flow (304 Feet (ft)/Sec (s)) 25 m³/h14.7 cfm Maximum Carbon Dioxide (CO2) Flow (607 Feet (ft)/Sec (s)) 50 m³/h29.4 cfm High-Speed Carbon Dioxide (CO2) Flow (735 Feet (ft)/Sec (s)) 60 m³/h35.3 cfm Note for Carbon Dioxide (CO2) Flow Setting to DIN 1343: 32 ºF, 14.7 psi Low-Speed Nitrogen (N2) Flow (164 Feet (ft)/Sec (s)) 205 nL/min7.2 cfm Standard Nitrogen (N2) Flow (304 Feet (ft)/Sec (s)) 20 m³/h11.7 cfm Maximum Nitrogen (N2) Flow (607 Feet (ft)/Sec (s)) 45 m³/h26.4 cfm High-Speed Nitrogen (N2) Flow (735 Feet (ft)/Sec (s)) 55 m³/h32.3 cfm Note for Nitrogen (N2) Flow Setting to DIN 1343: 32 ºF, 14.7 psi Low-Speed Oxygen (O2) Flow (164 Feet (ft)/Sec (s)) 215 nL/min7.5 cfm Standard Oxygen (O2) Flow (304 Feet (ft)/Sec (s)) 20 m³/h11.7 cfm Maximum Oxygen (O2) Flow (607 Feet (ft)/Sec (s)) 45 m³/h26.4 cfm High-Speed Oxygen (O2) Flow (735 Feet (ft)/Sec (s)) 55 m³/h32.3 cfm Note for Oxygen (O2) Flow Setting to DIN 1343: 32 ºF, 14.7 psi Low-Speed Nitrous Oxide (N2O) Flow (164 Feet (ft)/Sec (s)) 220 nL/min7.7 cfm Standard Nitrous Oxide (N2O) Flow (304 Feet (ft)/Sec (s)) 20 m³/h11.7 cfm Maximum Nitrous Oxide (N2O) Flow (607 Feet (ft)/Sec (s)) 45 m³/h26.4 cfm High-Speed Nitrous Oxide (N2O) Flow (735 Feet (ft)/Sec (s)) 60 m³/h35.3 cfm Note for Nitrous Oxide (N2O) Flow Setting to DIN 1343: 32 ºF, 14.7 psi Low-Speed Natural Gas (NG) Flow (164 Feet (ft)/Sec (s)) 130 nL/min4.5 cfm Standard Natural Gas (NG) Flow (304 Feet (ft)/Sec (s)) 14 m³/h8.8 cfm Maximum Natural Gas (NG) Flow (607 Feet (ft)/Sec (s)) 25 m³/h14.7 cfm High-Speed Natural Gas (NG) Flow (735 Feet (ft)/Sec (s)) 35 m³/h20.5 cfm Note for Natural Gas (NG) Flow Setting to DIN 1343: 32 ºF, 14.7 psi Connection Thread R 3/8 in. Thread Outer Pipe Diameter 17.2 mm0.68 in Thread Inner Pipe Diameter 12.5 mm0.49 in Dimension L (Thread) 11.8 Inch300 mm Dimension L1 (Thread) 7.9 in200 mm Dimension H (Thread) 6.9 in175 mm Dimension H1 (Thread) 6.5 in165.7 mm Dimension A (Thread) 0.5 in15 mm Connection to different Bus systems Options There are different options available for connection to modern Bus systems:Ethernet interface (Modbus-TCP) / PoEM-BUSModbus-RTU With a Key Stroke Reset counter readingSelect unitsZero-point adjustment, leak flow volume suppression Options Bi-directional measurement. Blue or green arrows in the display indicate the direction of flow.A meter reading is available for each flow direction. Application-Technological Features Digital interfaces such as Modbus-RTU, Ethernet (PoE) and M-Bus enable connection to higher-level systems such as energy managementSystems, building management systems, PLCEasy and affordable installationUnits freely selectable via keys on the display CF, lbs, CFMCompressed air counter up to 1,999,999,999 m³ can be reset to Inch (in)zero Inch (in) via keypadAnalog output 4 to 20 mA, pulse output (electrically isolated)High measuring accuracy even in the lower measuring range (ideal for leakage measurement)Negligibly small loss of pressureCalorimetric measuring principle, no additional pressure and temperature measurement necessary, no mechanically moved partsComprehensive diagnostic functions can be read out on the display or remote access via Modbus-RTU such as exceeding max./minvalues ºF, calibration cycle, error codes, serial number. All parameters can be read out and changed via Modbus Additional Information Modbus-RTU output4 to 20 mA output for present flowPulse output for total flow (counter reading), galvanically isolated or M-Bus (optionally)NEW: Integrated pressure sensor (optional)Measuring unit can be unscrewed: Removal of the entire measuring section not necessary, no by-pass necessaryEasy installation into the existing pipeline due to integrated measuring section and weld neck flange (according to EN 1092-1 PN 40)High measuring accuracy due to defined measuring section (inlet and outlet section)Display head rotatable by 180º e.g. in case of reverse flow directionThe sensor can be removed and cleaned. MORE IMAGES · VA 520 Inline Flow Meters - 2 · VA 520 Inline Flow Meters - 3 DOWNLOADS Datasheet for VA 520 Inline Flow Meters (PDF, 971KB) Maintain Your Air Compressor Learn more about maintaining your air compressor by downloading our eBook on air compressor maintenance. Download eBook