一、概述：
EJA120系列微差壓變送器，屬于智能電容式壓力變送器， JA120A微差壓變送器用于測量液體、氣體或蒸汽的液位、密度與壓力，然后將其轉(zhuǎn)變成4~20mADC的電流信號輸出。EJA120A屬于微差壓變送器，精度等級達(dá)到0.075級，誤差在0.012mA。BRAIN 手操器、YHC4100、CENTUMCS 、FieldMate、HART 375互相通訊，通過它們進(jìn)行設(shè)定、監(jiān)控等。EJA120系列微差壓變送器已經(jīng)在全國各大行業(yè)都在使用，石化類：魯西石化、安慶石化、泉州石化、茂名石化、揚(yáng)子石化、賽科石化、洛陽石化、上海石化、大連石化等。
二、EJA120差壓變送器連接標(biāo)準(zhǔn)：
（1）無過程接頭(容室法蘭上 Rcl/4 內(nèi)螺紋)
（2）帶 Rc1/4 內(nèi)螺紋的過程接頭
（3）帶 Rc1/2 內(nèi)螺紋的過程接頭
（4）帶 1/4NPT 內(nèi)螺紋的過程接頭
（5）帶 1/2NPT 內(nèi)螺紋的過程接頭
（6）無過程接頭(容室法蘭上 1/4NPT 內(nèi)螺紋)
三、EJA120差壓變送器安裝方式：
（1）G1/2內(nèi)螺紋，1處接線口
（2）1/2NPT內(nèi)螺紋，2處接線口
（3）Pg13.5內(nèi)螺紋，2處接線口
（4）M20內(nèi)螺紋，2處接線口
（5）G1/2內(nèi)螺紋，2處接線口帶一個盲塞
（6）1/2NPT內(nèi)螺紋，兩個電氣接口，一個盲塞
（7）Pg13.5內(nèi)螺紋，兩個電氣接口，一個盲塞
（8）M20內(nèi)螺紋，兩個電氣接口，一個盲塞
三、EJA120差壓變送器型號選型：
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 EJA120A-DES5A-92NN/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-DES5A-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 EJA120A-DES5A-92NN/NS1
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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 |
智能制造網(wǎng)