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High-Precision Dynamic Gas Distribution Instrument MR-DF2 | China Suppliers & Factory for Gas Analyzers
Main Feature
Complies with the relevant standards involving gas distribution instruments in HJ57-2017, HJ76-2017, HJ604-2017, HJ38-2017, supports gas mixing and distribution of multiple components, and can distribute ppb level, ppm level, percentage level, etc. concentration standard gas.
It can be customized according to customer needs for dual-channel, three-channel, multi-channel and other composite gas distribution.
It adopts high-quality components such as high-precision stainless steel mass flow controller, stainless steel quick-plug OD6/4mm gas interface, and high-precision rotor flowmeter to ensure high system gas distribution accuracy and reliable quality.
Large-size LCD screen, the system runs more stably and the operation is easier.
Adopts 19-inch 4U chassis, which is easy to integrate into the cabinet.
Flow control adopts closed-loop fuzzy control technology, with fast response and accurate flow control.
Zero air pressure and cylinder air pressure can be monitored in real time to ensure that the air supply pressure meets the instrument requirements.
The gas path cleaning function in the system can ensure the accuracy of each gas distribution and the long life of the equipment.
Dual output, automatically balances the inlet pressure of the detection equipment.
The gas distribution instrument is equipped with temperature compensation, so customers do not need to consider the influence of temperature on equipment operating data at different temperatures.
No preheating time is required, gas distribution can be started immediately after turning on the machine.
Independent intellectual property rights, including invention patents and software copyrights.
Technical Indicators
| Parameters | Specifications |
|---|---|
| Mass flow controller range | A variety of specifications can be selected according to user needs（0-5000ml/min、5000-10000ml/min等） |
| Flow accuracy | ≤1.0% |
| Flow Distribution Uncertainty | ≤0.6% |
| Flow repeatability | ≤0.2% |
| Dilution factor | When the flow rate is 2000-3000ml/min, the dilution factor is ≤50; when the flow rate is 5000-10000ml/min, the dilution factor is ≤100 |
| Turndown | 100:1/200:1（Can be customized as required） |
| Maximum ratio | 1000:1/4000:1（Can be customized according to needs） |
| Input pressure | 100Kpa～500Kpa（Can be customized according to user needs） |
| Usage environment | temperature：0～50℃，humidity：0-90%RH |
| Equipment pressure resistance | <1Mpa |
| Working pressure difference range | 0.05Mpa～0.3Mpa |
| Working power supply | 110VAC～240VAC/50Hz |
| Dimensions | (483×195×452)mm（customizable） |
| Weight | 15Kg（Adjustable according to appearance） |
Frequently Asked Questions
Which environmental standards does this gas distribution instrument comply with?
The instrument complies with the relevant standards for gas distribution instruments in HJ57-2017, HJ76-2017, HJ604-2017, and HJ38-2017. It supports multi-component gas mixing and distribution for ppb, ppm, and percentage level concentrations.
Can the gas channels and mass flow controller range be customized?
Yes, the system can be customized for dual-channel, three-channel, and multi-channel configurations. The mass flow controller range is also customizable, offering options such as 0-5000ml/min and 5000-10000ml/min depending on user requirements.
Does the instrument require preheating before starting gas distribution?
No preheating time is required. The gas distribution process can be started immediately after turning on the machine.
What technology is used to ensure flow control accuracy?
The instrument utilizes closed-loop fuzzy control technology along with high-precision stainless steel mass flow controllers. This ensures a flow accuracy of ≤1.0%, a flow repeatability of ≤0.2%, and a fast response time.
Does temperature variation affect the equipment's operating data?
No, the gas distribution instrument features built-in temperature compensation, which eliminates the influence of temperature fluctuations on operating data across different temperatures.
How is the long-term cleanliness and accuracy of the gas path maintained?
The system is equipped with an integrated gas path cleaning function. This ensures the accuracy of each individual gas distribution process while extending the overall service life of the equipment.