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The LY-7050B Portable Pressure And Flow Calibrator is an all-in-one, high-precision calibration instrument that integrates micro-pressure, gauge pressure, temperature, and flow calibration into a single, compact system. Purpose-built to address the comprehensive calibration needs of dust testers and various gas sampling instruments, this integrated pressure and flow calibrator delivers industry-leading measurement accuracy and portability for professional users. It is engineered to streamline complex multi-parameter calibration workflows, eliminating the need for multiple single-function devices, and is optimized for both laboratory and field use across a wide range of industrial and regulatory settings.
Unlike single-function calibration devices, the LY-7050B multi-parameter calibrator unifies micro-pressure, gauge pressure, ambient temperature, flue gas temperature, and flow rate calibration into one integrated platform. This holistic design simplifies complex calibration procedures, reduces equipment investment, and improves work efficiency for users handling diverse instrument calibration tasks. It delivers consistent, high-accuracy results across every measurement parameter, ensuring full alignment with regulatory requirements.
This portable pressure and flow calibrator comes with a calibration certificate issued by the national metrology department, guaranteeing traceable, industry-leading measurement accuracy for every calibration operation. Its high-precision sensing components ensure stable, repeatable results, even in harsh working environments, making it a reliable solution for organizations with strict regulatory and quality control requirements.
To accommodate diverse user needs, the instrument supports scalable, optional flow measurement modules, including a soap film flowmeter for low-flow calibration and an external Roots flowmeter for high-flow applications. This scalability allows users to customize the device to match their specific calibration requirements, from low-flow mL/min measurements to high-flow cubic meter per hour testing, with fully customizable flow ranges available.
Engineered for maximum mobility, the device features a portable, user-friendly structure with simple operation, requiring minimal staff training. It is equipped with a built-in high-performance rechargeable lithium battery for extended field endurance, a comprehensive fault self-checking system for enhanced safety and maintenance efficiency, and high-capacity internal storage that enables users to store, query, print, and export calibration data at any time for full traceability.
The LY-7050B Pressure And Flow Calibrator is designed and manufactured in strict compliance with national metrology and industry standards, ensuring full alignment with global regulatory requirements for instrument calibration. It adheres to the following key specifications:
JJG 586-2006: Soap Film Flowmeter
JJG 633-2005: Gas Volume Flowmeter
JJG 680-2021: Dust sampler
JJG 875-2019: Digital pressure gauge
Main Parameter | Standard Range | Customizable/Optional Range |
Flow Rate (Host) | (5～150) L/min | - |
Micropressure | (0～2500) Pa | (-2500～+2500) Pa |
Gauge Pressure | (-60～60) kPa | - |
Ambient Atmospheric Pressure | (50～130) kPa | - |
Ambient Temperature | (-40～80) ℃ | - |
Flue Gas Temperature Calibration (PT100) | 0℃、44℃、80℃、120℃、195℃、200℃、300℃、400℃ | - |
Soap Film Flowmeter (Optional) | (10～500) mL/min (0.1～6.0) L/min | - |
External Roots Flowmeter (Optional) | - | (0.4-16) m³/h (0.5-100) m³/h |
This integrated temperature, pressure and flow calibrator is widely used across sectors that require comprehensive instrument calibration, including:
Environmental protection regulatory bodies: For calibration of dust sampling and flue gas analysis instruments
Metrology and testing institutions: For traceable calibration of pressure, flow, and temperature measurement devices
Occupational health and safety supervision departments: For validation of workplace hazard monitoring equipment
Military, scientific research, and educational institutions: For laboratory testing, experimental calibration, and teaching applications
Industrial manufacturing and quality control departments: For calibration of on-site production monitoring and sampling instruments
Lonying is a leading provider of professional environmental monitoring and calibration instrumentation, with a proven track record of delivering high-reliability solutions to industrial and institutional users worldwide. Our LY-7050B calibrator is backed by strict quality control, full regulatory compliance, and a team of experienced technical experts that provide end-to-end support, including customized configuration, on-site training, and long-term after-sales maintenance. We specialize in tailoring calibration solutions to meet the unique needs of our users, ensuring every device delivers optimal performance for your specific operational requirements.
Yes. The LY-7050B Portable Pressure And Flow Calibrator is an all-in-one system that integrates micro-pressure, gauge pressure, ambient temperature, flue gas temperature, and flow rate calibration into one unit, eliminating the need for multiple single-function calibration devices.
We offer two optional flow modules to extend the device’s capabilities: a soap film flowmeter for low-flow calibration (10 mL/min to 6.0 L/min) and an external Roots flowmeter for high-flow applications, with customizable flow ranges including (0.4-16) m³/h and (0.5-100) m³/h.
Absolutely. The instrument is equipped with high-capacity internal storage, allowing users to store, query, print, and export calibration data at any time. This ensures full traceability of all calibration results, making it easy to meet strict regulatory audit and compliance reporting requirements.
