YJJ MF3000S-200-R-BVZ-A Thermal Mass Flow Meter Sensor 200SLM for Laser Welding & Flue Gas Monitoring

Product Description:

YJJ MF3000S-200-R-BVZ-A Thermal Mass Flow Meter Sensor 200 SLM for Laser Welding & Flue Gas Monitoring

Features:

MF3000S-200-R-BVZ-A is a MEMS gas mass flow sensor from the MF3000S series produced by Siargo (Siagong).
1. Core Parameters (Model Interpretation)
MF3000S: Series name (Miniature Gas Mass Flow Sensor)
200: Flow range 0 - 200 SLPM (Standard liters per minute, air)
R: With LED digital display and local buttons
BVZ: Output combination (RS485 + 4-20mA + NPN/PNP switch)
A: Mechanical interface (BSPT1/4" external thread)
2. Complete Technical Parameters
Measurement Principle: MEMS Time Domain Thermal Mass Flow
Measurement Medium: Clean and dry gas (air, nitrogen, oxygen, argon, etc.)
Accuracy: ±(2.5% + 0.5%FS)
Repeatability: ±1.0%
Response Time: 10 ms
Power Supply: 8–24 VDC, ≤50 mA
Operating Temperature: -10 ~ +55 ℃
Operating Pressure: ≤0.8 MPa (8 bar)
Humidity: <95% RH (no condensation)
Output Signal
Digital: RS485 (Modbus) / I²C
Analog: 4–20 mA
Switch: NPN/PNP
Display: 4-digit LED (Instantaneous / SLPM, Cumulative / SL or Nm³)
Interface: BSPT 1/4" external thread
3. Typical Applications
Industrial Control: Welding / cutting gas, combustion control, leak detection, vacuum / pneumatic systems
Analytical Instruments: Gas chromatography, environmental monitoring, smoke analysis, medical ventilators / anesthesia machines
Research Laboratories: Gas ratioing, reaction flow control, material testing, wind tunnel / particle measurement
Equipment Accessories: 3D printing, fuel cells, coating / semiconductor, packaging / printing equipment
4. Selection Tips
200 SLPM is suitable for medium flow scenarios; for small flow, choose 5/10/50 SLPM, for large flow, choose 500/1000 SLPM
Support for multi-gas measurement (requires software correction)
Suitable for low to medium pressure, clean and dry gas scenarios

Specifications: