Vortex flowmeter

Description

Overview

FSV430
Vortex flowmeter for vapor, liquid and gas, with optional graphical display, optional binary output and optional integrated temperature measurement.

FSV450
Vortex flowmeter for vapor, liquid and gas, with integrated binary output, temperature compensation, and flow computer functionality. The device offers the option of directly connecting external temperature transmitters, pressure transmitters or gas analyzers.

Model number	FSV430	FSV450
Design	Compact design, remote mount design
IP degree of protection in accordance with EN 60529	IP 66 / 67, NEMA 4X
Measuring accuracy for liquids	≤ ±0.65 % under reference conditions
Measuring accuracy for gases and vapors	≤ ±0.9 % under reference conditions
Repeatability	DN 15 (1/2″) ≤ ±0.3 %, DN 15 (1/2″) up to DN 150 (6″) ≤ ±0.2 %, from DN 200 (8″) ≤ ±0.25 %
Permissible viscosity for fluids	DN 15 (1/2″) ≤ 4 mPa s, DN 25 (1″) ≤ 5 mPa s, from DN 40 (1 1/2″) ≤ 7.5 mPas
Measuring span (typical)	1:20
Process connections	— Flange: DN 15 … 300 (1/2″ … 12″) — Wafer type: DN 25 … 150 (1″ … 6″)
Inlet / outlet sections (typical)	Inlet section: 15 x DN, outlet section 5 x DN, see also chapter “Inlet and outlet sections”
Temperature measurement	Resistance thermometer Pt100 class A optional, installed in Piezo sensor, can be retrofitted	Resistance thermometer Pt100 class A standard, fixed installation in Piezo sensor
Permissible measuring medium temperature	Standard: -55 … 280 °C (-67 … 536 °F), optional:-55 … 400 °C (-67 … 752 °F) (high temperature design)	-55 … 280 °C (-67 … 536 °F)
Wetted material
— Sensor	Stainless steel, optional Hastelloy C
— Gasket	PTFE, optional Kalrez or graphite
— Sensor housing	Stainless steel, optional Hastelloy C, carbon steel
Sensor design	Piezo sensor with two pairs of sensors for flow measurement and vibration compensation
Approvals for explosion protection	ATEX / IECEx, cFMus, NEPSI