Mass flow regulator MV-304

for gasprecisiondigital

High accuracy 10 pre-installed gases Bright, graphical OLED display Digital or analog output; alarm and counter functions High precision needle valve Features Clear indication in: - actual flow rate (bar graph and value) - desired flow units - type of gas - totalised flow Bright, wide-angle OLED display Free of parallax error Virtually independent of temperature and pressure variations Low pressure drop Wide flow ranges Fast response High accuracy Configurable password protection Alarm and counter functions Relays Multi Gas / Multi Range 10 Pre-installed gases High resolution needle valve Digitally calibrated Free software tools Technical specifications Repeatability < 0.2% FS typical Pressure coefficient 0.2% / bar typical at Air Pre-installed gases Air, N2, O2, CO2, CO, N2O, Ar, CH4, C3H8 and C4H10 Standard calibration gas Air, other gases are converted using our Fluidat® conversion model which will introduce extra inaccuracy Rangeability up to 1:100 Response time (sensor) (t63%) 2 seconds Operating temperature 0 … 50 °C (32 … 122°F) Temperature coefficient Zero: <0.1%FS/°C, Span: <0.2%RD/°C Leak integrity, outboard tested < 2 x 10-9 mbar l/s He Attitude sensitivity < 0,1 % FS Mechanical parts Material (wetted parts) Meter: aluminium, Viton® (FPM) Needle Valve: SS316, Viton, PTFE Process connections G 1/4" BSPP female (compression fittings optional) Seals Viton®, PTFE Weight 0.7 kg Ingress protection IP40 Electrical properties Power supply +15 … 24 Vdc (+/- 10%) Max. power consumption approx. 135 mA Output 0 .. 5 Vdc EMC EU declaration Electrical connection 8-pin RJ-45 modular jack