dry side of the chamber is the Indicator, a display of magnetic wafers (red/white). As the float moves up or down the magnetic field of the permanent magnet pulls the wafers through a rotation of 180° thus changing their colour. As the float rises the flaps are turned from white to red, as the float falls, they are changed back to white again. The level is represented at any given wafer without any external power supply. The instrument consists of 3 main parts The Float The Chamber The Indicator
injection moulded ferrite wafers • Aluminium display housing is used as a standard and are certified IP 67 THE DISPLAY UNIT • For corrosive environments a stainless steel housing is available this housing also meets IP 67 approval • The display is the only one capable of accommodating media surges of up to 400mm per second
omni directional magnet system • The float is not pressurized or vented • It is unguided and free to rotate in the chamber • The magnets used can accommodate temperatures of up to 400°C 400mm per second
Use PP, PVDF or UPVC plastic floats for low temperature low pressure applications 2. Use PFA, PVDF, HALAR or Carbon coated stainless steel and titanium floats for higher temperature and higher pressure applications THE FLOAT MATERIALS OF CONSTRUCTION
a float, we need the following information : 1. Pressure 2. Media and concentration 3. Temperature 4. Specific gravity For interface applications , we need the following additional information : 1. Both media 2. Both specific gravities
(DBH) are dependent on Level, Pressure and Specific gravity. This corresponds to the minimum level of liquid to operate the float and the maximum level above that no higher levels are indicated MAGNETIC LEVEL GAUGE Top Mounted Gauge
EEx d IIC T4-T6 EX version : EEx d IIC T4-T6 Actuation Latching Reed Latching Reed Reed configuration SPDT DPDT Maximum contact rating 250 VA 250 VA Max. switching current 1 amp AC / 0.5amp DC 1 amp AC / 0.5amp DC Maximum switch voltage 230 V AC 230 V AC Switch housing Aluminium Aluminium Protection IP 66 IP 66 Temperature range - 50°C + 150°C - 50°C + 150°C 150°C + with insulation 150°C + with insulation DR6 type SR DR6 type CR
up to 6.5m • Standard aluminium head transmitter approved to EExia IIc T4-T6 & EExd IIC T4-T6 • Stainless steel head option is available • Hart (Smart) optional • Profibus / Foundation Fieldbus optional TRANSMITTER FEATURES KTX.IS and KTX.EXD
microwave pulses are transmitted along a waveguide suspended from the top of the measuring chamber. As the pulses come in contact with the media they are reflected back along the waveguide and are detected at the electronics in the headshell. The time elapsed is measured to determine the liquid level with a measurement accuracy of +- 3mm
one instrument Guided Wave Radar and Float technology Additional 4-20 mA signals from Reed chain or Magnetostrictive transmitters Radar can be isolated from main chamber for maintenance (By-pass option only)
accurately responds to level change. • The possibility of leakage to atmosphere is remote, making it particularly suitable for use with hazardous fluids. BENEFITS
broad sector of industry : • Power Generation • Pharmaceutical • Petrochemical • Food & drink industries • Water treatment • Gas distribution • Sugar refining • Pulp and paper • Mining • Oil exploration • Shipping
angelakoh
sabderemane
mclloyd
marcelosomers
lemiorhan
ivargrimstad
sferik
wjessup
keithpitt
matthewcrist
coloredviolet
mza
notwaldorf
