Flow [Vortex-ultrasonic] Example order code VU 570: 0697 0570_A1_B1_C1_D1_E1_F1_G1_H1 Measuring section A1 A2 A3 A4 A5 A6 A7 A8 1/2“ (DN 15) 3/4“ (DN 20) 1“ (DN 25) 1 1/4“ (DN 32) 1 1/2“ (DN 40) 2“ (DN 50) 2 1/2“ (DN 65), (only in flanged version) 3“ (DN 80), (only in flanged version) Process connection B1 B2 B3 B4 B5 R outer threads NPT outer threads Flange DIN 1092-1 Flange ANSI 16.5 Class 150 lbs Flange ANSI 16.5 Class 300 lbs Option display C1 With integrated display C2 Without display Pressure sensor D1 D2 D3 16 bar (g) 40 bar (g) 1.5 bar (g) Signal outputs / bus connection option E1 E4 E5 E8 E9 2 x 4…20 mA analogue output (galv. isolated), pulse out- put, RS 485 (Modbus-RTU) 1 x 4…20 mA analogue output (galv. not isolated), pulse output RS 485 (Modbus-RTU) Ethernet-Interface (Modbus/TCP), 1 x 4…20 mA ana- logueoutput (galv. not isolated), pulse output, RS 485 (Modbus-RTU) M-Bus, 1 x 4…20 mA analogue output (galv. not isola- ted), pulse output RS 485 (Modbus-RTU) Ethernet-Interface PoE (Power over Ethernet) Modbus/ TCP), 1 x 4…20 mA analogue output (galv. not isolated), pulse output, RS 485 (Modbus-RTU) Calibration F1 F2 No real gas calibration - Adjustment of gas type via gas constant Real gas calibration in selected gas type 20 °C, 1000 mbar 0 °C, 1013,25 mbar 15 °C, 981 mbar 15 °C, 1013,25 mbar Operation conditions Reference conditions G1 G2 G3 G4 G5 Accuracy class H1 H2 ± 1,5% of measured value (volume flow) ± 1% of measured value (volume flow) TECHNICAL DATA VU 570 Measuring range: See table Measuring medium: Accuracy: Volume flow (m³/h) Mass flow (kg/h) resp. Standard volume flow (Nm³/h) Meas. principle: Air, non-aggressive gases and mixed gases (non-condensing) ± 1,5 % m. v., optional ± 1 % m. v. ± 2 % m. v., optional ± 1,5 % m. v. Vortex ultrasonic – Vortex frequency measurement Process temp.: -40°…+100°C Process pressure: Up to 40 bar (ü) Protection class: IP67 Material meas. Section and medium-touching parts: Material display unit: Signal outputs: Power supply : Measuring span: Repeatability: Process connection: Stainless steel 316, Plastic Aluminium - Die casting As a standard: RS 485 (Modbus-RTU), 1x 4...20 mA, puls Optional: Ethernet Interface 18…36 VDC 1:50 ± 0,3 % v. M. Flange DIN EN1092-1 or Flange ANSI 150 lbs - 300 lbs R 1/2“ - R 2“ (BSP Brtitish Standard Piping) 1/2“ - 2“ NPT-thread DESCRIPTION VU 570 - Vortex ultrasonic flow sensor for technical gases and mixed gases Further accessories: ISO - calibration certificate at 5 measuring points ORDER NO. 0697 0570+ Order code A_…H_ 3200 0001 Measuring ranges for gases VU 570 under operation conditions Inch 1/2" 3/4" 1" 1 1/4" 1 1/2" 2" 2 1/2" 3" mm 16,1 21,7 27,3 36 41,9 53,1 68,9 80,9 DN from m/s to 0,5 0,3 30 15 20 25 32 40 50 65 80 from m³/h to 22,0 0,4 0,7 0,6 1,1 1,5 2,4 4,0 5,6 39,9 63,2 109,9 148,9 239,2 402,7 555,2 from cfm to 0,2 0,4 0,4 0,6 0,9 1,4 2,4 3,3 12,9 23,5 37,2 64,7 87,6 140,8 237,0 326,7 www.cs-instruments.com 109