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Hawker Electronics - Flexilevel 2
Level Indicator/Controller for Capacitive, Ultrasonic, Hydrostatic Level Transducers
4 control relays
AC or DC supply
Sensor failure alarm
24V isolated supply
The FXL2 Flexilevel 2 provides digital indication with 4 control/alarm relays for use with loop powered transmitters, such as the Hawker Flexicap, Sondaloop, and Pressure transmitter. It will accept most milliamp signals from self powered systems, an integral 4 button keypad and display allows the user to programme the various functions to suit the application in hand. No programming experience is necessary. Using a simple 'menu'
procedure calibration and mode operation are programmed as follows:
Zero and Span - similar to analogue instruments. These are set using the milliamp signal generated by the transducer when the vessel is empty and full, or as near full a possible.
Scaling - the digital display can be scaled 0-100% or in engineering units to provide any numerical display commencing from 0000 to 9999, e.g. 0000-2500. The decimal point can be positioned as required.
Control/Alarm Relay - each of the four
relays has fully adjustable hysteresis such
that it can be energised at any point of the
range and de-energised at any point thus
providing a wide differential for pump or
valve control, or small differential for alarms
or close control. Fail safe high or fail safe low
is determined by the de-energised level
being set higher, or lower than the
Re-transmission - isolated milliamp and
voltage signals commencing from low scale
are provided. These can be used to drive
an analogue indicator or graphics for VDU
etc. The re-transmission signals can be
made reverse acting i.e. decreasing for
increasing input signal such as maybe
required for depths below datum as often
used for borehole applications.
Failure Relay - this de-energises should the
milliamp input signal rise above or fall below
the programmed zero and span values,
allowing an alarm to be raised for short or
open circuits in the loop powered systems.
Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.
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