一、概述：
EJA120系列微差压变送器，属于智能电容式压力变送器， JA120A微差压变送器用于测量液体、气体或蒸汽的液位、密度与压力，然后将其转变成4~20mADC的电流信号输出。EJA120A属于微差压变送器，精度等级达到0.075级，误差在0.012mA。BRAIN 手操器、YHC4100、CENTUMCS 、FieldMate、HART 375互相通讯，通过它们进行设定、监控等。EJA120系列微差压变送器已经在全国各大行业都在使用，石化类：鲁西石化、安庆石化、泉州石化、茂名石化、扬子石化、赛科石化、洛阳石化、上海石化、大连石化等。
二、EJA120差压变送器连接标准：
（1）无过程接头(容室法兰上 Rcl/4 内螺纹)
（2）带 Rc1/4 内螺纹的过程接头
（3）带 Rc1/2 内螺纹的过程接头
（4）带 1/4NPT 内螺纹的过程接头
（5）带 1/2NPT 内螺纹的过程接头
（6）无过程接头(容室法兰上 1/4NPT 内螺纹)
三、EJA120差压变送器安装方式：
（1）G1/2内螺纹，1处接线口
（2）1/2NPT内螺纹，2处接线口
（3）Pg13.5内螺纹，2处接线口
（4）M20内螺纹，2处接线口
（5）G1/2内螺纹，2处接线口带一个盲塞
（6）1/2NPT内螺纹，两个电气接口，一个盲塞
（7）Pg13.5内螺纹，两个电气接口，一个盲塞
（8）M20内螺纹，两个电气接口，一个盲塞
三、EJA120差压变送器型号选型：
EJA120A-DES4A-92DA EJA120A-DES5A-92DA EJA120A-DES5A-22NN EJA120A-DES5A-22DC EJA120A-DES4A-92NA EJA120A-DES5A-92NA EJA120A-EES5A-92NA EJA120A-DES4A-22NC EJA120A-DES5A-22NC EJA120A-DES4A-92DN EJA120A-DES5A-92DN EJA120A-DES5A-22DN EJA120A-DES4A-92NN EJA120A-DES5A-92NN EJA120A-DES4A-22NN EJA120A-DES4A-92DA/NF1 EJA120A-DES4A-22NC/NF1 EJA120A-DES5A-92DN/NF1 EJA120A-DES4A-92NN/NF1 EJA120A-DES5A-22NN/NF1 EJA120A-DES4A-22DC/NS1 EJA120A-DES5A-92NA/NS1 EJA120A-DES4A-92DN/NS1 EJA120A-DES5A-22DN/NS1 EJA120A-DES4A-22NN/NS1 | EJA120A-DES4A-92DA EJA120A-DES5A-92DA EJA120A-DES5A-22NN EJA120A-DES5A-22DC EJA120A-DES4A-92NA EJA120A-DES5A-92NA EJA120A-EES5A-92NA EJA120A-DES4A-22NC EJA120A-DES5A-22NC EJA120A-DES4A-92DN EJA120A-DES5A-92DN EJA120A-DES5A-22DN EJA120A-DES4A-92NN EJA120A-DES5A-92NN EJA120A-DES4A-22NN EJA120A-DES5A-92DA/NF1 EJA120A-DES4A-92NA/NF1 EJA120A-DES5A-22NC/NF1 /NF1 EJA120A-DES4A-92DA/NS1 EJA120A-DES5A-22DC/NS1 EJA120A-DES4A-22NC/NS1 EJA120A-DES4A-92NN/NS1 | EJA120A-DES4A-92DA EJA120A-DES5A-92DA EJA120A-DES5A-22NN EJA120A-DES5A-22DC EJA120A-DES4A-92NA EJA120A-DES5A-92NA EJA120A-EES5A-92NA EJA120A-DES4A-22NC EJA120A-DES5A-22NC EJA120A-DES4A-92DN EJA120A-DES5A-92DN EJA120A-DES5A-22DN EJA120A-DES4A-92NN
EJA120A-DES4A-22NN EJA120A-DES4A-22DC/NF1 EJA120A-DES5A-92NA/NF1 EJA120A-DES4A-92DN/NF1 EJA120A-DES5A-22DN/NF1 EJA120A-DES4A-22NN/NF1 EJA120A-DES5A-92DA/NS1 EJA120A-DES4A-92NA/NS1 EJA120A-DES5A-22NC/NS1 EJA120A-DES4A-22DN/NS1 /NS1
|
EJA120A-EES4A-22NN EJA120A-EES5A-22DC EJA120A-EES4A-22NC EJA120A-EES5A-22NN EJA120A-EES4A-92DA EJA120A-EES5A-92DA EJA120A-EES4A-22DC EJA120A-EES4A-92NA EJA120A-EES5A-22NC EJA120A-EES4A-92DN EJA120A-EES5A-22DN EJA120A-EES5A-92DN EJA120A-EES4A-22DN EJA120A-EES4A-92NN EJA120A-EES5A-92NN EJA120A-EES5A-92DA/NF1 EJA120A-EES4A-22DC/NF1 EJA120A-EES5A-92NA/NF1 EJA120A-EES5A-22DN/NS1 EJA120A-EES4A-92NN/NS1 EJA120A-EES5A-92NN/NS1 EJA120A-EES5A-22NN/NS1
| EJA120A-EES4A-22NN EJA120A-EES5A-22DC EJA120A-EES4A-22NC EJA120A-EES5A-22NN EJA120A-EES4A-92DA EJA120A-EES5A-92DA EJA120A-EES4A-22DC EJA120A-EES4A-92NA EJA120A-EES5A-22NC EJA120A-EES4A-92DN EJA120A-EES5A-22DN EJA120A-EES5A-92DN EJA120A-EES4A-22DN EJA120A-EES4A-92NN EJA120A-EES5A-92NN EJA120A-EES5A-92DA/NS1 EJA120A-EES4A-92NA/NS1 EJA120A-EES4A-22NC/NS1 EJA120A-EES5A-22NC/NS1 EJA120A-EES4A-22DN/NS1
| EJA120A-EES4A-22NN EJA120A-EES5A-22DC EJA120A-EES4A-22NC EJA120A-EES5A-22NN EJA120A-EES4A-92DA EJA120A-EES5A-92DA EJA120A-EES4A-22DC EJA120A-EES4A-92NA EJA120A-EES5A-22NC EJA120A-EES4A-92DN EJA120A-EES5A-22DN EJA120A-EES5A-92DN EJA120A-EES4A-22DN EJA120A-EES4A-92NN EJA120A-EES5A-92NN EJA120A-EES5A-22NC/NF1 EJA120A-EES4A-92DN/NF1 EJA120A-EES5A-22DN/NF1 EJA120A-EES4A-22NN/NF1 |
智能制造网