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Admittance Level Series
Principle of Operation
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 change of capacitance as the level approaches the probe. The change is
detected, amplified and used to switch a relay for indication or control
purposes. A special circuit is used to ignore product build-up between
the sensing probe (active element) and guard, and also between the guard
and vessel wall.
Primary Areas of Application
* Asphalt
* Brewing
* Cement
* Chemical
* Dairy
* Edible oil
* Fertilizer
* Food & Beverage
* Glass
* Mining & Metals
* Oil & Gas
* Packaging
* Paint
* Paper
* Pharmaceutical
* Plastics
* Power Generation
* Refining
* Semiconductor
* Sugar
* Textile
* Water & Wastewater
Features:
* Excellent immunity to product build-up
* Excellent temperature stability - no false trips
* Non contact switching possible with many
products
* Simple 1-minute' setup
* Remote sensor or Smart all in one' types
* Relay outputs: Smart probe (1) Remote (2)
* Remote test function
* Adjustable ON and OFF delays (0-20 sec)
* Smart communication options: GosHawk,
Modbus, HART, Profibus DP, DeviceNet, Foundation Fieldbus and Profibus
PA
* Remote GSM Connection option
* Remote amplifier to probe separation up to
500 m (1640 ft)
* Bright visual status indication on Probe
* Independent housing alignment after mounting thread locked
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