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Features :
The high performance gauge pressure transmitter model EJA430A can be used to measure liquid, gas,
or steam pressure. It outputs a 4 to 20 mA DC signal corresponding to the measured gauge pressure.
Model EJA430A also features remote setup and monitoring through communications with the BRAIN™
terminal and CENTUM CS™ or XL™ or HART® 275 host.
Specifications :
External Zero Adjustment “”
External zero is continuously adjustable with 0.01 %
incremental resolution of span. Span may be
adjusted locally using the digital indicator with range
switch.
Mounting Position Effect
Rotation in diaphragm plane has no effect. Tilting up to
90 will cause zero shift up to 0.4 kPa {1.6 inH2O}
which can be corrected by the zero adjustment.
Output “”
Two wire 4 to 20 mA DC output with digital communications. BRAIN or HART FSK protocol are superimposed on the 4 to 20 mA signal.
Failure Alarm
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more(standard)
Down-scale: -5%, 3.2 mA DC or less
-2.5%, 3.6 mA DC or less (Optional
code /F1)
Note: Applicable for Output signal code D and E
Damping Time Constant (1st order)
The sum of the amplifier and capsule damping time
constant must be used for the overall time constant.
Amp damping time constant is adjustable from 0.2 to
64 seconds.
Technical parameters :
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