High-Precision MR-DF3 Portable Dynamic Gas Distribution Meter from China Suppliers for Factory Calibration and Testing
Main Features
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Complies with the relevant standards involving Gas Distribution Instruments in HJ57-2017, HJ604-2017, and HJ38-2017. Supports multi-channel gas mixing and distribution, capable of distributing various concentration standard gases such as ppb level, ppm level, and percentage level.
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Can be customized according to customer needs for dual-channel, three-channel, multi-channel and other composite gas distribution.
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Uses high-quality components such as high-precision stainless steel mass flow controllers and high-precision rotameter to ensure high system gas distribution accuracy and reliable quality.
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Large LCD screen, ensuring more stable system operation and easier user control.
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Flow control adopts closed-loop fuzzy control technology, featuring fast response and highly accurate flow control.
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Zero air pressure and cylinder air pressure can be monitored in real time to ensure that the air supply pressure meets the instrument requirements.
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Integrated gas path cleaning function ensures the accuracy of each gas distribution and extends the equipment life.
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No preheating time is required; gas distribution can be started immediately when the machine is turned on.
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Highly portable design with a built-in lithium battery, allowing continuous operation for up to 20 hours.
Application Areas
Metrology Institutes at All Levels
Certification Agencies
Laboratories
Scientific Research & Development
Manufacturers of Detectors
Technical Parameters
| Mass flow controller range | Can be selected according to user needs |
| Flow accuracy | <1%F.S |
| Flow linearity | ±0.3%F.S |
| Flow repeatability | ±0.2%F.S |
| Turndown | 100:1 (Can be customized as required) |
| Maximum ratio | 1000:1 (Can be customized according to needs) |
| Input pressure | 100Kpa~500Kpa (Can be customized according to user needs) |
| Usage environment | Temperature: -10℃~+50℃; Relative humidity: <80%RH (No condensation) |
| Equipment pressure resistance | <1Mpa |
| Working pressure difference range | 0.05Mpa~0.3Mpa |
| Working power supply | 110VAC~240VAC, 50±0.5Hz, Built-in lithium battery can work for 20 hours |
| Dimensions | (420X200X350)mm |
| Weight | 8Kg |
Frequently Asked Questions
What standards does this Gas Distribution Instrument comply with?
The instrument fully complies with the relevant standards involving Gas Distribution Instruments in HJ57-2017, HJ604-2017, and HJ38-2017. It supports multi-channel gas mixing and distribution for standard gases at ppb, ppm, and percentage concentration levels.
Can the gas distribution channels be customized?
Yes. The system can be customized to support dual-channel, three-channel, multi-channel, and other composite gas distribution structures based on the specific requirements of our customers.
What is the battery life and power requirement?
The instrument operates on a working power supply of 110VAC~240VAC (50±0.5Hz). Additionally, it features a built-in lithium battery that supports continuous, portable operation for up to 20 hours.
Does the instrument require preheating before operation?
No preheating time is required. The gas distribution process can be started immediately as soon as the machine is turned on.
What are the accuracy and repeatability ranges of the flow control?
The instrument achieves high gas distribution precision with a flow accuracy of <1% F.S., flow repeatability of ±0.2% F.S., and flow linearity of ±0.3% F.S., supported by closed-loop fuzzy control technology.