Vortex flow sensor VAR TwinPipe

volumeair

Vortex flow sensor VAR TwinPipe with ±directional sensing of flow for measuring flow velocity in traffic tunnels, mining galleries and waste disposal sites with ±directional sensing of flow - measurement of flow in traffic tunnels, mines and waste disposal sites, control of air ventilation - robust, maintenance-free and nonwearing, as no moving parts - reliable, even in extreme conditions - unlike other measuring systems no onsite calibration necessary - only one installation point for the entire measuring system necessary MEASURING RANGE +/-0.4 ... +/-25 m/s MEDIA TEMPERATURE -40 ... +80 °C MEDIA air, exhaust air (gases) DISPLAYED INDICATORS flow velocity IP PROTECTION TYPE IP67 (connection housing) TYPE OF PROTECTION ATEX category 3G and 3D (zone 2 and 22) (optional) SENSOR OUTPUT analog output v flow velocity or flow rate 4-20 mA or 4-12-20 mA relay for limit value or directional flow sensing