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The selection process of the 3051CD differential pressure transmitter requires comprehensive consideration of multiple factors to ensure that the selected transmitter can meet the needs of actual applications. The following are the detailed selection steps:
Clarify measurement requirements
Determine the measurement range: Based on the actual application scenario, accurately calculate the differential pressure range to be measured. For example, in flow measurement, parameters such as the fluid velocity and pipe diameter in the pipeline need to be used to calculate the possible maximum and minimum differential pressure values. In level measurement, the height of the container and the density of the medium should be considered to determine the differential pressure range. The range of the selected transmitter should cover the actual differential pressure range to be measured, and a certain margin should be reserved to prevent exceeding the range during working condition fluctuations.
Define the accuracy requirements: Different applications have different requirements for measurement accuracy. For scenarios such as scientific research experiments and high-precision process control, high accuracy is usually required. In this case, a high-precision version with an accuracy of up to ±0.04% may need to be selected. For some occasions with relatively low accuracy requirements, a product with a standard accuracy of ±0.075% may meet the needs.
Consider the measurement medium: It is necessary to clearly understand the characteristics of the measurement medium, such as corrosiveness, viscosity, and temperature. If the medium is highly corrosive, a transmitter with process isolation diaphragms and wetted parts made of corrosion-resistant materials (such as Hastelloy C-276) should be selected. For high-viscosity media, ensure that the structure of the transmitter will not be affected by the adhesion of the medium to measurement accuracy.
Pay attention to performance indicators
Check the stability: Stability reflects the ability of the transmitter to maintain measurement accuracy over a period of time. For applications that require high stability of measurement results during long-term continuous operation, products with a 5-year stability of up to ±0.15% should be preferred to reduce measurement errors caused by the passage of time and lower maintenance costs and calibration frequencies.
Understand the turndown ratio: The larger the turndown ratio, the stronger the adaptability of the transmitter under different working conditions. If the differential pressure varies widely in the actual application, it is recommended to choose the 3051CD differential pressure transmitter with a turndown ratio of up to 100:1. In this way, the measurement range can be flexibly adjusted without replacing the transmitter.
Select the appropriate electrical connection
Determine the power supply voltage: Select the appropriate power supply voltage range according to the on-site power supply conditions. The power supply range of the 3051CD differential pressure transmitter is generally 10.5 - 42V DC. Ensure that the power supply voltage provided on-site is within this range to ensure the normal operation of the transmitter.
Consider the output signal:
If it is necessary to connect to a traditional industrial control system, the standard 4 - 20mA DC analog signal output usually meets the requirements.
If functions such as remote configuration, diagnosis, and monitoring are desired, a transmitter supporting HART protocol communication should be selected. Through the HART protocol, data interaction with the host computer can be easily carried out, improving the intelligent management level of the equipment.
Determine the process connection method
Consider the pipeline interface: Select the appropriate process connection method according to the interface type and size of the on-site pipeline. Common ones include threaded connection methods such as 1/4 - 18 NPT and M20×1.5, as well as flange connections. Ensure that the process connection of the transmitter matches the pipeline interface to ensure the sealing and reliability of the installation.
Pay attention to the installation space: When selecting the process connection method, the on-site installation space also needs to be considered. Some connection methods may require a large installation space. If the on-site space is limited, a more compact connection method should be selected.
Consider other factors
Protection level: Select the appropriate protection level according to the usage environment of the transmitter. If it is installed outdoors or in a harsh environment with dust and water splashes, a product with a protection level of at least IP65 should be selected to prevent the intrusion of dust and water and ensure the normal operation of the transmitter.
Certification requirements: Some application scenarios may have specific certification requirements, such as explosion-proof certification and food safety certification. When selecting a model, ensure that the selected transmitter meets the corresponding certification standards to meet the on-site safety and compliance requirements.
https://chinakorei.en.made-in-china.com/product/eZctRmojhMTa/China-Rosemount-3051CD-Differential-Pressure-Transmitter-for-Natural-Gas-Company.html
https://chinakorei.en.made-in-china.com/product/eZctRmojhMTa/China-Rosemount-3051CD-Differential-Pressure-Transmitter-for-Natural-Gas-Company.html
FAQ
Q: How long will you to give me the reply?
A: We will reply to you as soon as we see the information
Q: 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
Q: How about your package?
A: Do not worry about the package, we have rich experience in packing
Q: How about the payment terms?
A: You can choose T/T.
Q: Do you provide samples?
A: Yes, we have materials in stock to help you get the samples as soon as we can.
Q: What is the MOQ?
A:1PC
Q: Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with more bigger size orders.
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