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The Lonying LY-7030 Intelligent Soap Film Flowmeter is a professional, high-precision instrument purpose-built for gas flow measurement and calibration. Engineered in strict accordance with national metrological specifications, this device delivers repeatable, traceable calibration performance for enterprise users across testing, research, and regulatory compliance sectors. It has become the trusted calibration solution for metrological verification bodies, environmental monitoring agencies, occupational health and safety organizations, and research institutions worldwide, addressing the core pain points of limited calibration range, poor field mobility, and untraceable data that plague traditional flow measurement tools.
Designed to streamline workflow and reduce operational costs for professional testing teams, the LY-7030 integrates industry-leading functionality with user-centric design, delivering measurable business value across every use case.
The LY-7030 features a dual measurement range of (5～500) mL/min and (100～6000) mL/min, covering the calibration requirements of nearly all mainstream gas sampling instruments on the market. This eliminates the need for multiple single-range calibration devices, cutting down on upfront procurement costs, reducing equipment storage needs, and simplifying workflow for teams handling varied testing scenarios.
With an integrated, lightweight build and intuitive, zero-complexity operation, this calibrator seamlessly adapts to both fixed-location laboratory metrological verification and on-site field testing. Whether deployed at remote environmental monitoring stations, industrial park emission testing sites, or emergency response scenarios, it eliminates the need for bulky, lab-only equipment, enabling testing teams to complete calibration tasks in a single trip and boost overall work efficiency.
The device is equipped with a high-performance, rechargeable lithium battery that supports long-duration continuous operation without reliance on external mains power. This fully resolves the core limitation of traditional calibration tools, which cannot be used in off-grid, outdoor locations with no power supply, ensuring uninterrupted workflow and consistent calibration performance even in remote field environments.
An automated full-system fault self-check function runs on device startup, scanning core components to quickly identify and locate operational anomalies. This proactive monitoring reduces unplanned downtime, lowers long-term maintenance costs, and enhances operational safety during calibration, ensuring stable, reliable measurement data for every test and minimizing the risk of non-compliant results.
The LY-7030 comes with built-in high-volume storage, enabling users to store, query, and print historical calibration data at any time. This full data traceability fully aligns with the strict quality management requirements of ISO 17025 and other international laboratory standards, eliminating the hassle of manual data recording and ensuring all calibration results are legally defensible and audit-ready for regulatory inspections.
The LY-7030 Intelligent Soap Film Flowmeter is designed and manufactured in strict compliance with JJG 586-2006 Soap Film Flowmeter, the national metrological verification regulation of China. All performance parameters have been rigorously tested and verified to meet the requirements of this regulation, ensuring that calibration data generated by the device is fully traceable to national metrological benchmarks, legally valid for official testing reports, and compliant with regulatory requirements for metrological verification, environmental monitoring, and occupational health testing.
Our production and quality management systems adhere to international industrial standards, with every unit undergoing full performance testing before shipment to guarantee consistent, reliable performance for our commercial and industrial clients.
Main Parameter | Standard Operating Range |
Flow Rate | (5～500) mL/min; (100～6000) mL/min |
Operating Ambient Temperature | -40℃ ～ 60℃ |
Adaptable Ambient Atmospheric Pressure | 50 kPa ～ 130 kPa |
For custom parameter requirements or specialized calibration scenarios, contact our technical team for tailored solutions to fit your operational needs.
As a standard-compliant calibration tool, it is ideal for statutory metrology bodies to conduct value transfer and verification of gas samplers and flow meters. Its traceable data output ensures full compliance with national metrological requirements, supporting the issuance of legally valid verification certificates.
Widely used for the calibration of ambient air monitoring equipment, exhaust gas analyzers, and VOCs sampling devices, both in the laboratory and in the field. Its portable design and battery-powered operation make it perfectly suited for on-site calibration at remote monitoring stations, industrial emission sites, and pollution control projects.
Designed to support on-site calibration of air samplers and hazardous gas detection equipment used in workplace occupational health assessments. It helps enterprises and third-party testing agencies meet national occupational health and safety management requirements, with fully traceable data for audit and compliance purposes.
A trusted calibration solution for universities, research institutes, and industrial R&D centers, supporting gas flow measurement and equipment calibration for chemical, environmental, material science, and other laboratory experiments. Its simple operation and high precision make it ideal for both routine lab use and specialized research applications.
As a full-solution provider of environmental monitoring and calibration instruments, Lonying offers a complete portfolio of complementary equipment to meet the end-to-end testing needs of our industrial and commercial clients. Explore our related solutions via the links below:
Dust Monitoring & Sampling Instruments: LY-1089K β-ray Dust Direct Reading Tester, LY-3012H-D Intelligent Stack Dust (Gas) Tester
Portable Gas Analyzers: LY-2086A Portable FTIR Gas Analyzer, LY-3023Y UV DOAS Method Flue Gas Analyzer
Gas Sampling & Preprocessing Equipment: LY-2080B Intelligent Vacuum Chamber Gas Sampler, LY-1080D Flue Gas Preprocessor
Lonying Haina is a professional R&D and manufacturer of environmental monitoring and calibration instruments, with decades of experience serving enterprise clients, statutory metrology bodies, and research institutions across the globe. Our commitment to precision, compliance, and user-centric design has made us a trusted partner for teams requiring reliable, regulatory-compliant testing equipment.
Rigorous Quality Control: Every instrument undergoes full performance and compliance testing before shipment, ensuring consistent, long-term stable operation in demanding field and laboratory environments.
Full-Cycle Technical Support: We provide one-on-one technical guidance, on-site maintenance, and calibration training for our commercial clients, ensuring your team can operate the equipment to its full potential with zero downtime.
Customization Capabilities: We offer comprehensive OEM and ODM services to meet specialized operational requirements, from custom parameter tuning to branded device design for large enterprise clients.
Global Service Network: Our dedicated after-sales and technical support team provides responsive service to clients worldwide, with fast turnaround for spare parts, maintenance, and technical inquiries.
Ready to optimize your gas flow calibration workflow? Inquire now for the LY-7030 datasheet, custom pricing, and a free tailored calibration solution consultation.
The LY-7030 Intelligent Soap Film Flowmeter is designed and manufactured in strict compliance with JJG 586-2006 Soap Film Flowmeter, the national metrological verification regulation of China, ensuring fully traceable and legally valid calibration data.
The device features a dual-range measurement capability, covering (5～500) mL/min and (100～6000) mL/min, which meets the calibration requirements of nearly all mainstream gas sampling instruments available on the market.
Yes. The LY-7030 is equipped with a built-in high-capacity rechargeable lithium battery, which supports long-duration continuous operation in off-grid field scenarios without the need for external mains power.
