The Yokogawa pressure differential transmitter in Japan is a sensor device for measuring fluid pressure differences, based on the Poisson equation and pipeline fluid dynamics principles.
1、 Principle:
Yokogawa Pressure Differential Pressure Transmitter from JapanIt is a sensor device for measuring fluid pressure difference, based on Poisson's equation and pipeline fluid dynamics principles. Specifically, by dividing the measurement area into two parts and installing asymmetric holes or narrow tubes in the measurement device, a pressure difference is generated when the fluid passes through the holes or narrow tubes. Next, a metal elastic element (such as a diaphragm) is used to convert this pressure difference into mechanical displacement and convert it into an electrical signal output. After amplification and processing, this electrical signal can be read and used to control or record the fluid state.
2、 Application areas:
1. Industrial automation control: In industrial production processes, pressure differential pressure transmitters can be used to measure and control parameters such as pressure difference, flow rate, and liquid level of liquids, gases, or vapors to ensure the stability and safety of the production process.
2. Environmental monitoring: Pressure differential pressure transmitters can be used to measure environmental parameters such as atmospheric pressure, wind speed, and liquid water level to help monitor and warn of natural disasters such as typhoons and floods.
3. Petrochemical industry: In the petrochemical process, pressure differential pressure transmitters can be used to measure parameters such as fluid pressure, temperature, and flow rate in pipelines to ensure the stability and safety of the production process.
4. Pharmaceutical and food processing: In the pharmaceutical and food processing process, pressure differential pressure transmitters can be used to measure parameters such as liquid concentration and flow rate to ensure product quality and hygiene and safety in the production process.
In short,Yokogawa Pressure Differential Pressure Transmitter from JapanWidely used in various industrial and non industrial fields, it plays an important role in improving production efficiency, protecting the environment, and ensuring product quality.
3、 Specifications:
|
EJA110E differential pressure transmitter |
| F membrane box |
L membrane box |
M membrane box |
H membrane box |
V-film box |
| measurement range |
-5~5kPa |
-10~10kPa |
-100~100kPa |
-500~500kPa |
-0.5~14MPa |
| (-20~20inH2O) |
(-40~40inH2O) |
(-400~400inH2O) |
(-2000~2000inH2O) |
(-71~2000psi) |
| Measurement range |
0.5~5kPa |
0.5~10kPa |
1~100kPa |
5~500kPa |
0.14~14MPa |
| (2.0~20inH2O) |
(2~40inH2O) |
(4~400inH2O) |
(20~2000inH2O) |
(20~2000psi) |
| precision |
±0.055% |
±0.055% |
±0.055% |
±0.055% |
±0.055% |
| Protection level |
IP66/IP67,NEMA 4X |
| Explosion proof specifications |
NEPSI, FM,CENELEC ATEX,CSA,IECEx |
| output signal |
4-20mA DC, BRAIN, HART/HART (1-5V DC) low power consumption, FOUNDATION ™ Fieldbus or PROFIBUS PA two-wire digital communication |
| power supply |
BRAN and HART: 10.5~42V DC (regular and explosion-proof) 10.5~32V DC (with lightning arrester) 10.5~30V DC (intrinsic safety, n-type, non flammable) Digital communication (BRAN and HART: small 16.6V DC) HART (1-5V): 9~28V DC |
| Fieldbus: 9~32V DC (Intrinsic Safety Entity Mode: 9~24V DC, Intrinsic Safety FISCO Mode: 9~17.5V DC) |
| ambient temperature |
-40~85℃ (-40~185℉) (普通型) |
| -30~80 ℃ (-22~176 ℉) (internal display table) |
| process temperature |
-40~120℃ (-40~248℉) (普通型) |
| Great work pressure |
16MPa(2300psi) 25MPa(3600psi) |
| Install |
2-inch pipe installation |
| Material of liquid receiving components |
bellows |
F316L SST or 316L SST (diaphragm: Hastelloy C-276), Hastelloy C-276, tantalum, Monel |
| Container flange |
ASTM CF-8M, Hastelloy C-276, Monel |
| shell |
Cast aluminum alloy, corrosion-resistant cast aluminum alloy, ASTM CF-8M stainless steel |