Basic Info.
Type
Normal Pressure Transmitter
Structure Type
Diffused Silicon Pressure Transmitter
Accuracy Grade
±0.075% of Span
Pressure range
0.1 Kpa to 10 MPa
Certification
CE, ATEX, Iecex, FM, CSA, Sil 2/3
Protection Rating
IP67, IP68
Communication Protocol
Brain Protocol
Industry Applications
Oil & Gas, Chemical, Power Plant, Water Treatment
Certifications
CE, Iecex, ATEX, Sil 2/3 Compliance
Material
Stainless Steel, Aluminum Alloy Housing
Process Connection
1/4" NPT or 1/2" NPT
Measurement Range
0.1 Kpa to 10 MPa
Transport Package
with Carton Package
Specification
30X30X30 cm
Product Description
Product Description
Yokogawa EJA430A Differential Pressure Transmitter
The high performance gauge pressure transmitter model EJA430A can be used to measure liquid, gas, or steam pressure. It outputs a 4 to 20 mA DC signal corresponding to the measured gauge pressure. |
| Product name | Yokogawa EJA430A Differential Pressure Transmitter |
| Brand | Yokogawa |
| Model | EJA430A |
| Output signal | 2-20MA |
| Company website | Korei (Weifang) Automation Equipment Co., Ltd. |
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In the complex world of industrial process control, precise differential pressure measurement serves as a critical parameter for ensuring operational efficiency, safety, and product quality. The Yokogawa EJA430A Differential Pressure Transmitter represents the culmination of decades of instrumentation expertise, combining Yokogawa's renowned reliability with cutting-edge sensor technology. This comprehensive technical overview explores every aspect of this exceptional instrument, from its revolutionary sensing technology to its robust industrial design and specialized communication capabilities.
Revolutionary Measurement Technology
At the core of the EJA430A's exceptional performance lies Yokogawa's proprietary single-crystal silicon resonant sensor, a technological breakthrough that redefines measurement precision:
* ±0.075% of span accuracy - surpassing most industry standards for differential pressure measurement
* Frequency-based measurement principle - inherently more stable than conventional amplitude-based systems
* MEMS (Micro-Electro-Mechanical Systems) technology - providing superior resistance to vibration and shock
* Long-term stability of ±0.1% of URL/year - minimizing recalibration requirements and maintenance costs
Why Choose the 430A?
For process engineers and plant managers seeking to optimize their differential pressure measurement systems, the Yokogawa EJA430A represents the ideal combination of precision, reliability, and smart functionality. Its advanced MEMS sensor technology, rugged construction, and BRAIN communication capabilities make it the transmitter of choice for demanding applications across oil & gas, chemical processing, power generation, and HVAC systems.
Product Parameters
| Category | Specification |
|---|
| Model Number | EJA430A |
| Measurement Type | Differential Pressure (DP) |
| Measuring Range | 0.1 kPa to 10 MPa (adjustable span) |
| Accuracy | ±0.075% of span |
| Output Signal | 4-20 mA DC (2-wire) |
| Power Supply | 10.5-55 V DC |
| Process Connection | 1/4" NPT or 1/2" NPT |
| Wetted Materials | Diaphragm: SUS316L
Housing: Aluminum alloy |
| Operating Temperature | Process: -40°C to 120°C
Ambient: -40°C to 85°C |
| Protection Rating | IP67 |
| Certifications | CE, ATEX, IECEx, SIL 2/3 |
| Communication | BRAIN protocol (standard) |
| Display | No local display (A-code) |
| Weight | 2.5 kg (approx.) |
Company Profile
KeRui (weifang) Automation Equipment Co., Ltd.specializes in industrial automation instrument development, production and sales, technical services, and supportingequipment supply of specialized companies. The main products are flow meters, level meters, temperature meters,pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC)DCS distributed control systems,and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco,textile, dyeing, and other felds.
Company Achievements
KeRui (Weifang) Automation Equipment Co. Ltd. Has maintained a cooperatve relationship with Rosemount for 15 years, and our purchase quantity has reached 20,000 units.
We supplied the tuning fork level gauge to the Rosemount factory and have been well received by the Beijing factory. We have cooperated with Yokowaga and maintained a cooperative relationship for 8 years, and our purchase quality has reached 7000 units.
The companies we have cooperated with:
1. Awarded "Outstanding Supplier by Yanchang Petroleum in 2008
2. In December 2012, our company was awarded the "Excellent Equipment Service Award" for the expansion project of units 6 and 7 of the Guangdong Guohua Yuedaishan Power Plant
3. Awarded "Outstanding Supplier by Yaxing Group in 2013
4.200 transmitters for Haihua Group's ethylene debottlenecking transformation project in 2015.
5. In 2018, we were rewarded as a National Nuclear Power Instrumentation Industry Measurement and Testing Alliance member.
6.160 transmitters and 20 electric autuators for the Shandong Laigang Yongfeng Steel expansion project in 2019
7.In 2022, Jinneng Chemical (Qingdao) Co., Led/ Jinneng 2x450,000 tons/ year high-performance polypropylene project (newly built) equipped 460 transmitters from our company.
8. In 2022, Shandong Qinghe Chemical Technology Co., Ltd.s hydrogen peroxide method epoxy propane device and supporting hydrogen peroxide device expansion project used 253 pressure transmitters.
9.In 2022, the Wanhua Chemical HTN project NPG installed 320 transmitters and 50 sets of valve positioners.
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Packaging & Shipping
FAQ
Q1: How long will it take you to give me the reply?
A: We will reply to you as soon as we see the information
Q2: What is the delivery time?
A: Our delivery time is within 3- 7 days after we get your payment; for large qty mass orders, the time should be confirmed again for you
Q3: How about your package?
A: Do not worry about the package. We have a lot of experience in packing, and all our packages are wooden case packages.
Q4: How about the payment terms?
A: You can choose T/T.
Q5: Do you provide samples?
A: Yes, we have materials in stock to help you get the samples as soon as we can.
Q6: What is the MOQ?
A:1PC.
Q7: Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with larger orders.
Q8: Why choose us?
We have a perfect customization, not only to provide you with quality products, but also to have a professional customer service team available at any time to provide you with support. We pay more attention to establishing a long-term cooperative relationship with you to achieve continuous business growth.
Q9: How can we guarantee quality?
We have strict requirements on the quality of our products, and we will conduct a final inspection of our products when we ship them.
Address:
N/a, Weifang, Shandong, China
Business Type:
Trading Company
Business Range:
Instruments & Meters
Company Introduction:
Different kinds of products are available in our company. We′re pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.
