EJA220A Differential Pressure Transmitters

EJA220A Differential Pressure Transmitters
Product Details

Yokogawa Flange Mount EJA220A Differential Pressure Transmitters


High performance flange-mounted EJA220A Differential Pressure Transmitters can be used to measure the liquid level and density of crystalline or precipitating liquids, which are then converted into current signal output of 4-20ma DC.EJA series support BRAIN, HART and FOUNDATION ™ fieldbus PROFIBUS PA or communication protocol.

Product Advantage:

1. Super measuring performance for pressure, differential pressure, liquid level and flow measurement

2. Miniature (2.4kg) all stainless steel flange, easy to install

3. Process connection is compatible with other products to achieve optimal measurement

4. Adopt H alloy sheath sensor (patented technology), high quality cold and heat stability

5. Intelligent transmitter with 16-bit computer

6. Standard 4-20ma with HART protocol based digital signal, remote control

7. Support the upgrading of fieldbus and field control based technologies

Standard specification :

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)

Power Supply Effects “”

0.005 % per Volt (from 21.6 to 32 V DC, 350 )


Hastelloy C-276

Cover flange


Process connector


Capsule Gasket

Teflon-coated SUS316L

Vent and Drain Plug

SUS316 or ASTM grade 316

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