High-Precision Dynamic Gas Distribution Meter MR-DF3: Portable Solution for Calibration by China Suppliers & Factory
Main Feature
Complies with the relevant standards involving Gas Distribution Instruments in HJ57-2017, HJ604-2017, and HJ38-2017, supports multi-channel gas mixing and distribution, and can distribute various concentration standard gases such as ppb level, ppm level, and percentage level;
It can be customized according to customer needs for dual-channel, three-channel, multi-channel and other composite gas distribution;
Use 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;
Large LCD screen, the system runs more stably and the operation is easier;
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;
No preheating time is required, gas distribution can be started when the machine is turned on;
Can be used portablely, with built-in lithium battery, which can work continuously for 20 hours.
Application Areas
Metrology institutes at all levels
Certification agency
Laboratory
Scientific research and development
Manufacturer 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 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 various concentration standard gases at ppb, ppm, and percentage levels.
Can the gas distribution channels be customized?
Yes, the system can be customized according to customer needs for dual-channel, three-channel, multi-channel, and other composite gas distribution configurations.
What is the flow accuracy and control capability of the instrument?
The instrument features a flow accuracy of <1% F.S., flow linearity of ±0.3% F.S., and flow repeatability of ±0.2% F.S. It utilizes high-precision stainless steel mass flow controllers and closed-loop fuzzy control technology for fast and accurate response.
Does the instrument require preheating before use?
No preheating time is required. The gas distribution process can be started immediately when the machine is turned on.
Is this instrument suitable for portable field operations?
Yes, the device is highly portable, weighing 8Kg with dimensions of (420X200X350)mm, and features a built-in lithium battery that supports continuous outdoor operation for up to 20 hours.