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Japan Yokogawa EJA310 Absolute Pressure Transmitter

The high performance gauge pressure transmitter model EJA310A can be used to measure liquid, gas,or steam pressure. It outputs a 4 to 20 mA DC signal corresponding to the measured absolute pressure. Model EJA310A also features remote setup and monitoring through communications with the BRAIN™ terminal and CENTUM-CS™ or XL™ or HART® 275 host.
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Yokogawa Absolute Pressure Transmitter EJA310

Introduction

The high performance gauge pressure transmitter model EJA310A can be used to measure liquid, gas,or steam pressure. It outputs a 4 to 20 mA DC signal corresponding to the measured absolute pressure.
Model EJA310A also features remote setup and monitoring through communications with the BRAIN™
terminal and CENTUM-CS™ or XL™ or HART® 275 host.


Feature

Functional specifications

1)Zero Adjustment Limits

Zero can be fully elevated or suppressed, within the Lower and Upper Range Limits of the capsule.



2)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.


3)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.

4)Output

Two wire 4 to 20 mA DC output with digital communications, linear or square root programmable. BRAIN
or HART FSK protocol are superimposed on the 4 to 20 mA signal.


5)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


6) 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.



We warmly welcome customers from home and abroad and every consult and correspondent will draw our highly attention.
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 : +86-29-86670248
  : +86 180 4954 2562
sales03@sutaosensor.com
: Room1-1108, Yongfu Building,      Yongfu Rd, Lianhu District, Xi'an, Shaanxi, China.

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