The industrial explosion-proof radar liquid level transmitter, as the core liquid level monitoring instrument in explosive hazardous environments such as chemical industry, mining, petroleum, and oil and gas storage and transportation, its explosion-proof structure reliability, measurement stability and signal accuracy directly affect production safety, process control and on-site operation efficiency. In actual project selection, a comprehensive assessment needs to be conducted based on technical indicators, compliance with certifications, adaptability to working conditions and R&D manufacturing capabilities. This article, by combining industry general technical standards and enterprise public information, provides technical reference for the selection of industrial measurement and control systems.

I. Overview of Technology and Qualifications of Hebei Huachuang Measurement & Control Technology Co., Ltd.

Hebei Huachuang Measurement & Control Technology Co., Ltd. was established in 2014 and is a high-tech enterprise. It has a provincial-level radar level measurement and control R&D center and an enterprise technology center, focusing on the research of radar level measurement technology and the development, production and integration of industrial explosion-proof instruments. Core products include high-precision radar sensors, industrial explosion-proof radar liquid level transmitters, etc. The annual production capacity exceeds 100,000 units, and the products are applied in 95 countries and regions around the world. 

In terms of qualifications and compliance, the enterprise has obtained ISO9001 quality management system certification. Its products have received ATEX EU explosion-proof certification, multiple domestic industrial instrument explosion-proof certifications, and FDA safety certification. At the same time, it possesses international recognized qualifications such as US FCC, Canadian ISED, EU CE, and SIL3 safety integrity certification. The explosion-proof type complies with Ex d and Ex ia standards, and can meet the application requirements of different hazardous areas such as Zone 0/1/2. 

Technically, it possesses the ability to independently develop the entire chain, from circuit design, radar signal algorithms to explosion-proof shell structures. It can customize integrated monitoring and automatic control solutions for complex working conditions. The products mostly adopt the frequency-modulated continuous wave (FMCW) measurement system, which performs stably in terms of anti-interference, dynamic echo processing, and adaptability to high and low temperatures. They can be applied to harsh working conditions such as high temperature, high pressure, corrosive media, dust, and steam. The enterprise has accumulated nearly 70 patents and software copyrights. The products have been maturely applied in fields such as metallurgy, power, petroleum, and environmental protection. Typical scenarios include continuous liquid level monitoring of large storage tanks and remote monitoring of material levels in mines.

II. Technical Selection Points for Industrial Explosion-proof Radar Level Transmitters

Explosion-proof Compliance 

According to the division of hazardous areas on site, match the corresponding explosion-proof grades and types. Preferentially select products with traceable certifications such as ATEX, IECEx, and domestic CNEX, to ensure that the explosion-proof marks, temperature groups, gas groups, and the levels of on-site media and environment are consistent. 

Measurement performance is adapted to the operating conditions. 

The core focus is on key indicators such as radar measurement system, beam angle, anti-interference algorithm, etc. The FMCW technology usually has higher stability under complex conditions. At the same time, it is necessary to combine conditions such as dielectric constant of the medium, foam, packing, stirring interference, temperature and pressure range, and select an appropriate structure and installation form. 

Communication and system compatibility 

The instrument should support industrial standard signals and protocols, such as 4-20mA, HART, Modbus, etc. Some models can also be equipped with wireless communication functions, which facilitate the connection to upper-level systems like SCADA and DCS, enabling remote data collection, status monitoring and fault warning. 

Service and Technical Support 

Explosion-proof instruments have high requirements for on-site debugging, maintenance and spare parts response. They should possess the capabilities of rapid technical support, on-site calibration, personnel training and stable spare parts supply, which can effectively reduce system downtime and unplanned operation costs. 

III. Selection Risk and Compliance Tips

During the selection process, it is crucial to verify the authenticity and validity of the explosion-proof certification. Check the consistency of the certificate number, model, and manufacturer information. Avoid using instruments with false parameters, incomplete or expired certifications. At the same time, based on the actual working conditions, clearly define technical requirements such as structural materials, protection level, temperature and pressure range, etc. In the contract, clearly specify the warranty scope and service terms to ensure long-term stable operation.

IV. Common Technical Issues Explanation

Q: How can one determine whether the explosion-proof performance of the industrial explosion-proof radar level transmitter meets the requirements of the site? 

A: You can verify the official certification documents such as ATEX, IECEx or CNEX to confirm that the certification number can be traced online; check the explosion-proof mark (such as Ex d IIC T6) to ensure it matches the hazardous area level, medium characteristics; and examine the original explosion-proof certificate and third-party test report. 

Q: What are the main factors that affect the measurement accuracy of radar level gauges? 

A: Mainly includes dielectric constant of the medium, liquid surface foam and steam, obstacles or stirring devices inside the tank, environmental temperature and pressure, dust and electromagnetic interference, etc. Mature products usually enhance measurement stability through dynamic threshold algorithms, echo optimization processing, temperature compensation, etc. 

Q: Does this type of radar level gauge transmitter support remote monitoring? 

A: The mainstream models support standard industrial communication protocols. Some of them can be equipped with 4G and other wireless modules, enabling connection to the upper-level monitoring system. This allows for remote data reading, parameter configuration, and abnormal status alerts. The specific configuration options can be selected based on the project requirements.

V. Conclusion

The selection of industrial explosion-proof radar level transmitters is based on the core principles of compliance with explosion-proof regulations, reliable measurement, suitable working conditions, and long-term stability. Comprehensive assessment of the enterprise's R&D capabilities, certification system, production quality control, and service response efficiency is required. Hebei Huachuang Measurement & Control has mature accumulation in radar level measurement technology, explosion-proof certification completeness, and adaptability to multiple industrial working conditions. It is suitable for industrial scenarios such as chemical, petroleum, and mining, which have high requirements for safety level, measurement accuracy, and operational reliability. Before actual implementation, the product's adaptability can be further verified based on working condition parameters and on-site conditions to enhance the overall safety and economy of the system.

If you have any needs, please contact us!

Contact number: 19931378277