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PRODUCT INTRODUCTION
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The
Hycontrol range of Admittance level switches provide simple, accurate
and reliable level
control for a wide range of applications. They are suitable for use on
liquids, solids, slurries,
pastes, granules, powders and pellets in high temperature, high
pressure and corrosive
environments.
The main advantage offered by using this admittance range of switches
is their ability to totally
ignore product build up on the sensing probe.
This unique design utilises a protective insulation electrode between
the conventional main
electrode and the grounding sleeve which enables the electronics to
distinguish between
coatings and actual product level.
This technology also provides an ideal solution for interface detection
applications such as oil
on water and liquid detection underneath a layer of foam.
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SWITCH FEATURES
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Unaffected
by material coating on the sensing probe
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No
moving parts to wear out
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Easy
installation through a 1” BSP process fitting
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High
corrosion and chemical resistance as standard options
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Universal
mounting for high or low level detection
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Multiple
versions with rod and cable to simplify mounting options
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High
temperature versions available
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Low
maintenance technology with no moving parts
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Hazardous
area certified versions ATEX approved
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Adjustable
sensitivity for a wide range of products
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Adjustable
time delay to stop spurious signals from surface ripple
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Remote
electronics option for high vibration applications
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Interface
level detection
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High
and low failsafe selection options
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TYPICAL APPLICATIONS
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Acid
Tanks and silos
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Bitumen,
Tar and Asphalt
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Adhesives,
Polymers and Paints
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Syrups
and pastes
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Powders
,flakes and granules
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CONSTRUCTION & APPLICATION
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Construction
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1.
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Main
Contact Probe:
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SUS304
or SUS316 Material
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2.
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Main
Insulation Probe:
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Insulation
of main Probe and reference
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current,
made of either PTFE or PFA.
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3.
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Reference
Current:
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Conductive
metal probe to dissipate
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any
possible presence of false signal.
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4.
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Insulation
Probe:
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To
protect contact probe and external
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insulation
probe, having very low
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current
inducing characteristics and is
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made
of either PTFE or PFA.
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5.
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Process
Connection:
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1"BSP
(Standard model)
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6.
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Housing:
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Aluminum
Alloy with paint finish
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7.
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Electrical
Entry:
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1/2"
NPT
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8.
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Housing
seal:
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Buna
N ‘O’ Ring
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9.
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Time
Delay:
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FSH
and FSL, Time Delay Adjustable
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function
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10.
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Housing
Cover:
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Aluminum
Alloy Spray Paint
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Industry Applications
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Brewery
Plant
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Mining
Plant
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Chemical
Plant
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Paper
Manufacturing Plant
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Cement
Plant
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Medical
Plant
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Coal
Plant
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Power
Plant
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Food
Processing Plant
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Water
and Waste Water
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Flour
Mill
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Treatment
Plant
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Glass
Industry
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Tar
Factory
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Paint
Plant
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Beverage
Plant
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Plastics
Plant
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Bitumen
Coating Plant
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Quarrying
Plant
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Dairy
Plant
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Aggregate
Plant
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Automotive
Plant
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SPECIFICATION
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Dimension
(mm)
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Model.
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Operating Temp.
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-40°C 150°C,MAX 550°C ~
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-40°C 150°C ~
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-40°C 150°C ~
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Ambition Temp.
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-40°C 65°C ~
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-40°C 65°C ~
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-40°C 63°C ~
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Housing
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Stainless (IP65)
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Aluminium
(IP65)-seperation
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Aluminium (IP65)
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Aluminium (IP65)
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ProbeMaterial
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304SS or 316SS
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304SS or 316SS
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304SS or 316SS
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Insulation
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PTFE or PFA
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PTFE or PFA
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Ceramic
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Connection
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3/4" BSP
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3/4" BSP
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3/4" BSP
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Sensitivity
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0.3PF
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0.3PF
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0.3PF
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Supply Voltage
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Power Consumption
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2.3 W
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2.3 W
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2.3 W
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Contact Rating
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5A/250VAC, DPDT
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5A/250VAC, DPDT
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5A/250VAC, DPDT
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Delay Time
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0~90 sec
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0~90 sec
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0~90 sec
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Fail safe mode
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Conduit
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1/2" NPT x2 hole
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0
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0
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Operation Pressure
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20kg/cm2
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20kg/cm2
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20kg/cm2
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Weight
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0
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Depend on cable length
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0
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WIRING DIAGRAM
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• Ensure the
power supply is shut off
• Pull the power lines through the cable inlet into
the housing
• Power supply voltage could be selected at 110V
or 220V, but the live wire must be connected to
their respective terminals, 110V live wire to 110V
terminal, 220V live wire to 220V terminal. The
neutral line can be connected to 0V terminal and
the ground line is to be connected to the GND
terminal
• Relay output connection:
Relay outputs are set at SPDT or DPDT,
maximum switching current and voltage is
5A/250VAC, able to drive small loads such as:
solenoid valves, alarm sirens, etc. Bigger loads
requires larger relay to drive it. The diagrams
below and on the right are common examples of
wiring methods.
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Fail
safemode :
Fail safe mode is used primarily to detect
malfunction situations. Example: Power
supply disruptions, causing the relay to lose
it's driving voltage, this type of situation is
called fail safe, meaning that in cases of
black out, there will be an alarm signal. The
fail safe mode “FSH" and "FSL" selection is
dependent on the installation position of the
probe, the table below shows the fail safe
conditions of each mode:
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ORDER INFORMATION
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Hycontrol
Level switches with this option have an additional pair of terminals
provided in the switch head that simply require a push button switch
to connect these two terminals together and this is usually mounted
at ground level local to the silo fill point.
After pushing
this button the circuit is then loaded as if a product has touched
the active part of the probe and the electronics (if working
correctly) will detect this change in capacitance and activate the
relay to change its state. Any audio or visual alarms wired to this
relay will then be activated and will continue until the ground level
test button is released. If the test is successful then the operator
can then proceed to fill the silo, confident that the high alarm will
operate if required to do so.
Hycontrol provide
a complete alarm and test panel solution for single or multipoint
applications however a simple push button can easily be retrofitted
to existing panel installations with little or no disruption to the
plant operations providing the alarms and sirens already exist!
This ground level
test facility is offered as an option on Hycontrol’s range of
capacitive, admittance and vibrating level swiches.
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HYCONTROL LEVEL TECHNOLOGIES
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