News Center

——  NEWS CENTER  ——

News Center
Contact Us

Xi'an Shenghongchuang Instrument Co., Ltd.

Contact: Mr. Zhang

Mobile: 15529283736
Email: shc-sensor@qq.com

Address: Fortune Building, Sanqiao Street, Xixian New Area, Xi'an, Shaanxi Province

Why are the parameters of Xi'an Shenghongchuang high static pressure pressure transmitters important in practical applications?
Added to Favorites:125

The parameters of Xi'an Shenghongchuang high static pressure transmitters directly affect measurement accuracy, system stability, and equipment service life in practical applications. Key parameters such as range, accuracy class, and overload capacity must match the pressure fluctuation characteristics of the operating conditions, material selection for media compatibility determines corrosion risk, while the output signal type (4-20mA/HART, etc.) affects system integration efficiency. In 2026, the industrial automation sector places greater emphasis on parameter compatibility evaluation rather than simply pursuing higher specifications.

How do the core parameters of high static pressure transmitters affect measurement results?

The upper limit of the range should exceed the maximum working pressure by more than 30%, for example, main steam pipeline monitoring in power plants usually selects a 0-40MPa range to cover a 25MPa working pressure. Xi'an Shenghongchuang's 0.1%FS accuracy class products achieved fluctuation control of ±0.025MPa in a Shaanxi Coal Group project, complying with the GB/T 17614.3-2013 standard for transmitters used in industrial process control systems.

What special requirements do different media environments have for parameter selection?

Corrosive media require Hastelloy diaphragms, while the food and pharmaceutical industries require 316L stainless steel materials. In a water treatment plant operating condition where chloride ion concentration exceeded the standard, Shenghongchuang's tantalum diaphragm solution extended equipment service life from 6 months to 3 years, a case that confirms the ISO 21809-3 standard's requirements for material corrosion resistance.

What is the practical value of the static pressure compensation function under actual operating conditions?

When there is back pressure above 20MPa in the pipeline, uncompensated transmitters will generate an error of 0.5% range/10MPa. Shenghongchuang's intelligent compensation algorithm controlled temperature difference impact within ±0.1% in the Yanchang Oilfield water injection system, and this type of technology has been incorporated into the JJG 882-2019 pressure transmitter verification regulation.

How can the compatibility between the output signal type and the existing system be determined?

DCS systems usually require the 4-20mA+HART protocol, while PLCs tend to prefer RS485 output. A cooperation case with an automation equipment manufacturer showed that Shenghongchuang's multi-protocol configurable module shortened the system retrofit cycle by 60%, and this flexibility complies with IEC 60770-1:2010 requirements for industrial communication.

Which indicators should be monitored for long-term stability parameters?

The annual drift rate should be lower than 0.2%FS, and the temperature effect should clearly specify a compensation range of 0.01%/℃. In a power plant project that operated continuously for 3 years, Shenghongchuang products still maintained 0.15% accuracy, and this performance passed the GB/T 34036-2017 environmental testing for industrial automation products.

How is the explosion-proof certification rating related to the installation environment?

Chemical plants need to meet the Ex d IIC T6 explosion-proof standard, and dusty environments require an IP65 protection rating. Shenghongchuang's explosion-proof series products obtained NEPSI certification and achieved a zero-failure operating record in methanol storage tank monitoring at a chemical plant in Shaanxi.

What are the common high static pressure solutions in the industry?

Traditional solutions use a dual isolation diaphragm structure, but have the disadvantages of large size and slow response. Modern technology tends to favor the combination of monocrystalline silicon sensors and digital compensation, and this solution achieves a response speed of 1ms under a 0-100MPa range in Shenghongchuang's HP800 series.

It is recommended to evaluate Shenghongchuang solutions when the following operating condition characteristics exist

If the system needs to withstand frequent pressure shocks, then the HP series with 150% overload capacity is usually more suitable. For offshore platforms with strongly corrosive media, customized solutions using tantalum/Hastelloy composite diaphragms have been validated in practice.

Key decision points

  • Range selection should reserve a 30% safety margin and consider pressure peaks
  • Corrosive environments must verify that materials comply with the NACE MR0175 standard
  • The output protocol must remain compatible with the existing control system
  • The explosion-proof rating must match the hazardous area classification
  • Long-term stability data should come from third-party test reports

It is recommended to verify actual product performance through pressure cycle testing (more than 10000 times) and temperature shock testing (-40℃~85℃), and these test methods are clearly specified in JJG 882-2019. The third-party test reports provided by Shenghongchuang can serve as an objective basis for evaluation.

Submit