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, and can distribute various concentration standard gases such as ppb level, ppm level, and percentage level.
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It can be customized according to customer needs for dual-channel, three-channel, multi-channel and other composite gas distribution.
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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.
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Large LCD screen, the system runs more stably and the operation is easier.
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Flow control adopts closed-loop fuzzy control technology, with fast response and 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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The gas path cleaning function in the system can ensure the accuracy of each gas distribution and the long life of the equipment.
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No preheating time is required, gas distribution can be started when the machine is turned on.
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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
| Parameter | Specification |
|---|---|
| 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
Which 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 various concentration levels (ppb, ppm, and percentage).
Can the gas distribution channels be customized?
Yes, we offer custom configurations based on your specific requirements, including dual-channel, three-channel, and other multi-channel composite gas distribution setups.
How long does the battery last for outdoor or portable use?
The unit features a built-in lithium battery that supports continuous operation for up to 20 hours, making it highly suitable for field operations and portable applications.
Does the system require any preheating time before operation?
No preheating time is required. The gas distribution process can be started immediately once the machine is powered on, saving you time during testing.
What components are used to ensure flow control accuracy?
The instrument utilizes high-precision stainless steel mass flow controllers and high-precision rotameters. Combined with closed-loop fuzzy control technology, it ensures fast response, accurate flow control, and high system reliability.
What are the primary application fields for this equipment?
It is widely used by metrology institutes at all levels, certification agencies, laboratories, scientific research & development units, and detector manufacturers.