Hawk Gladiator User Manual

2
Admittance Smart Switch Series
Manual
Rev 1.2, June 2008
3
GENERAL DESCRIPTION
The Gladiator Smart Admittance Switch
is a third generation, state-of-the-art
level probe, designed to operate in
tough industrial environments. The
probe of the Admittance Switch forms
one plate of a capacitance circuit, with
the vessel wall making the second plate.
The dielectric constant of the product
between the probe and the vessel wall
will cause a capacitive change as the
level approaches the probe, and the
output will switch in response. A special
circuit is used to ignore product build-up
between the sensing probe (active ele-
ment) and guard, and also between the
guard and vessel wall. The output has
adjustable hysteresis and delays for ‘on’
or ‘off’ switching.
A test function is available to remotely
conrm the probe integrity by switching
the relay contacts.
The Gladiator Smart Switch Series
includes communications capability for
remote adjustment, control and monitor-
ing.
Principle of Operation
The dielectric constant of the material
in the vessel will be different to that of
air. When the material comes near or in
contact with the probe an admittance
change will occur. The resonant fre-
quency of the internal oscillator will then
change. The relay will switch when the
frequency reaches the user selected
Switch Point value.
Excellent immunity to product build-up
Excellent temperature stability - no
false trips
Simple ‘1-minute’ set-up
Relay outputs: Smart probe (1)
Remote (2)
Remote test function
Adjustable ON and OFF delays (0-20 sec)
Smart communication options:
GosHawk, Modbus, HART, Probus
DP, DeviceNet
Remote GSM Connection option
Remote amplier to probe separation
up to 500 m (1640 ft)
Bright visual status indication on
Probe
LCD Diagnostic for Remote version
Independant housing alignment after
mounting thread locked
Non contact switching possible with
many materials
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FEATURES
Probe
Probe Insulation
Guard
Material build up
> 100mm
Ground the housing to
vessel, if vessel is metallic.
Ground the housing to
plant ground, if vessel is
non-metallic.
flatten roof

Hawk Gladiator Specifications

Power

operating voltage	12-30VDC, 90-260VAC, 36-60VDC
power consumption	<0.8W @ 24VDC, <5VA @ 240Vac, <3VA @ 115Vac

Operating Environment

maximum operating pressure	2 BAR
operating temperature for remote electronics	-40°C (-40°F) to 80°C (176°F)
operating temperature for remote sensors	-20°C (-4°F) to 80°C (176°F)
enclosure sealing for remote electronics	IP67 (NEMA 4x)
enclosure sealing for remote sensors	IP68

Weight and Dimensions

transducer to amplifier separation	Up to 500m (1640ft)
typical weight for 15kHz transducer	8 kg
typical weight for remote amplifier	1 kg