Technical data VA 420
| Parameters: | m³/h, l/min (1000 mbar, 20°C) in case of compressed air resp. Nm³/h, Nl/min (1013 mbar, 0°C) in case of gases |
| Adjustable via keypad: | m³/h, m³/min, l/min, l/s, ft/min, cfm, m/s, kg/h, kg/min |
| Meas. principle: | calorimetric measurement |
| Sensor: | 2 x silicium chip |
| Meas. medium: | air, gases |
| Gas types adjustable via software: | air, nitrogen, argon, nitrous oxide, CO2, oxygen |
| Meas. range: | see table at the left |
| Accuracy: | ± 1.5% of m.v., ± 0.05% of f.s. On request: Special calibration via 5-point ISO calibration certificate |
| Operating temp.: | -30…80 °C |
| Operating press.: | up to 16 bar Optional up to PN 40 |
| Analogue output: | 4…20 mA for m³/h resp. l/min |
| Pulse output: | 1 pulse per m³ resp. per liter galvanically separated |
| PC connection: | SDI interface |
| Power supply: | 24 VDC smoothed ± 15 % |
| Burden: | < 500 Ω |
| Housing: | polycarbonate |
| Meas. section: | stainless steel, 1.4301 or 1.4404 |
| Mounting thread meas. section: |
R 1/4“, R 1/2“, R 3/4“, R 1“, R 1 1/4“, R 1 1/2“, R 2“ external thread |
