Product Description:

YJJ MF4608-R2-20-V-A MEMS Micro-Electro-Mechanical Thermal Gas Mass Flow Sensor

Features:

I. Basic Information

Model Interpretation

MF4608: MF4600 series, 0 - 20 SLPM standard range model

R2: RS485 - Modbus communication

20: Range 0 - 20 SLPM (standard liters / minute)

V: 0 - 5V analog voltage output

A: Measured medium is air (Air)

Detection Principle: MEMS micro-electromechanical thermal mass flow sensing (direct measurement of mass flow, no need for temperature and pressure compensation)

Applicable gases: air, nitrogen, oxygen, argon, carbon dioxide, etc. clean and dry non-corrosive gases

II. Core Technical Parameters

Flow Range: 0 - 20 SLPM (standard liters / minute)

Accuracy: ±(2.0% reading + 0.5% FS)

Repeatability: ≤ 0.5% FS

Range Ratio: 50:1 (low flow high accuracy)

Output Signal: 0 - 5V analog voltage + RS485 - Modbus dual output

Power Supply: 8 - 24 VDC direct current

Working Pressure: Maximum 1.0 MPa

Working Temperature: -10℃ ~ +55℃

Interface: NPT1/4 thread

Material: 316L stainless steel gas path, corrosion-resistant and durable

Display: LED screen real-time display of instantaneous flow + cumulative flow, supports on-site parameter adjustment by buttons

Additional Functions: Record flow extremes, over-range alarm, data remote upload

III. Main Applications

Laboratory / Analytical Instruments: Gas ratioing, chromatographs, gas analyzers, precise gas flow monitoring in gas paths

Industrial Welding / Protective Gas: Argon, nitrogen protection welding, precise control of protective gas flow

Medical Industry: Oxygen generators, ventilators, medical oxygen flow measurement

Environmental Monitoring: Smoke sampling, exhaust gas monitoring, air sampling flow control

Semiconductor / Photovoltaics: High-purity gases, process gas flow monitoring

University Research: Gas experiments, precise measurement of small flow gases

Replace traditional rotor flowmeters: Digital upgrade, remote communication, automatic data collection

Specifications: