VISY-Stick
15Pages

VISY-Stick The level and environmental sensor based on the magnetostrictive measuring principle VISY-Stick is a level and environ­ mental sensor that has been specially designed to offer highprecision volume and leakage monitoring. VISY-Stick magnetostrictive sensors with screw-in unit (left) and for riser installation (right) lar magnetic field. A torsional wave develops at the point where the two magnetic fields overlap and it propagates towards the probe head. In the probe head, these waves are converted into an electrical signal. The float positions and the temperature are calculated from the different propagation times. Design A VISY-Stick comprises: »» Stainless steel sensor housing »» Stainless steel probe tube »» Brass screw-in unit (height adjustable)* »» Stainless steel product float »» Stainless steel water float Features of the FAFNIR technology High-precision sensors based on the magnetostrictive ­measuring principle Detects product filling level, product temperature and water level All wetted parts are made of high-quality stainless steel Maintenance-free Permanent self-diagnostics Also suitable for AdBlue Optional: with 1” floats and screw-in unit Wireless link to VISY-Command supported *  use in AdBlue, the screw-in unit for is made of stainless steel Edition 07.2014 Technical changes reserved Function The VISY-Stick sensor operates in accordance with the magnetostrictive measuring principle. The probe tube contains a wire made of magnetostrictive material. Magnets integrated in the floats magnetise the wire at the float position. The sensor electronics transmit current pulses through the

Technical data VISY-Stick Standard version »» Product: Accuracy ± 0.5 mm; Repeatability ± 0.1 mm; Resolution 0.001 mm; Response threshold 75 mm*; Float Ø 43 mm, 1½“; »» Water: Accuracy ± 2 mm; Repeatability ± 0.5 mm; Resolution 0.001 mm; Response threshold 23 mm*; Float Ø 43 mm, 1½“; * roduct density and the position of the P other float may result in variations »» Temperature: Measuring range - 40 °C to + 85 °C; Accuracy ± 1 °C (20 °C); Repeatability ± 0.5 °C; Resolution 0.001 °C »» Process connection: R 1½ screw-in unit, brass, height adjustable »» Electrical connection: M12 Plug...

VISY-Stick Advanced The high-precision level and environmental sensor based on the magnetostrictive measuring principle The VISY-Stick Advanced level sensor is ideal for applications that demand maximum precision and is also suitable for detecting tank leaks. VISY-Stick Advanced magnetostrictive sensors with screw-in unit (left) and for riser installation (right) current pulses through the wire, which generate a circular magnetic field. A torsional wave develops at the point where the two magnetic fields overlap and it propagates towards the probe head. In the probe head, these waves are...

Technical data VISY-Stick Advanced Standard version »» Product: Accuracy ± 0.25 mm; Repeatability ± 0.05 mm; Resolution 0.001 mm; Response threshold 75 mm*; Float Ø 54 mm, 2“; »» Water: Accuracy ± 2 mm; Repeatability ± 0.5 mm; Resolution 0.001 mm; Response threshold 23 mm*; Float Ø 43 mm, 1½“; * roduct density and the position of the P other float may result in variations »» Temperature: Measuring range - 40 °C to + 85 °C; Accuracy ± 0.3 °C (20 °C); Repeatability ± 0.1 °C; Resolution 0.001 °C »» Process connection: R 1½ screw-in unit, brass, height adjustable »» Electrical connection: M12...

VISY-Density The highly accurate density measuring module The VISY-Density module is designed for the measurement of fuel densities. It can be mounted on the VISY-Stick Advanced sensor without the need to install an additional sensor. In combination with the density module the VISY-Stick Advanced provides accurate information about the product filling level, water level, product temperature and product density in the tank. Function description Inside the VISY-Density module* the buoyancy of a displacer is measured (Archimedean principle). It provides precise information as to whether fuel...

Technical data VISY-Density »» Product: Accuracy ± 2 g/l, Resolution 0.1 g/l »» Temperature range: - 40 °C to + 85 °C »» Dimensions: Diameter 50 mm; Length 129 mm »» Operating pressure: up to 16 bar »» Sensor material: Stainless steel M12 Connector + brown white A black B blue - Equipotential bonding Sensor head stainless steel Screw-in unit R 1½, WAF 55 brass Sensor tube Ø 12 stainless steel Sensor length Product float Ø 54 x 31 stainless steel VISY-Density Ø 50 x 129 stainless steel Water float Ø 43 x 40 stainless steel Guard ring Edition 07.2014 Technical changes reserved Example...

VISY-Stick Flex The flexible level and environmental sensor based on the magnetostrictive measuring principle VISY-Stick Flex is a level sensor which is especially designed for bulk storage tanks shipped at low cost. Another advantage is the easy installation. A weight at the lower end of the sensor stretches it out to its full length, and a magnet placed below the weight secures the sensor to be in place. When the magnet is in contact with the bottom of the tank (after installation) any unintentional movement of the VISY-Stick Flex is avoided. When the installation of the VISY-Stick Flex...

VISY-Stick Flex M12 Connector brown + white A black B blue - Equipotential bonding Sensor head stainless steel Adjustment range Hexagon-socket screw M6 x 10 Stuffing box (WAF 30) Screw-in unit R 1½, WAF 55 stainless steel *  Product density and the position of the other float may result in variations Sensor length Tube Ø 12 stainless steel Corrugated hose Ø 12 stainless steel Tube Ø 12 stainless steel Product float Ø 43 stainless steel Water float Ø 43 stainless steel Weight stainless steel Edition 07.2014 Technical changes reserved Magnetic base plastic encapsulated Dimensions in mm...