Product Description:

YJJ MF4008-50-O6-BV-A 0-50SLPM 6mm Quick‑Connect Flow Sensor For Precision Gas Testing

Features:

MF4008-50-O6-BV-A MEMS Gas Mass Flow Meter

Parameter Explanation

Principle: MEMS thermal mass flow sensing; O6 = 6mm quick-connect connector; BV-A: 0.5 - 4.5V analog voltage + RS485 Modbus output, with LED display

Core Performance & Electrical Parameters

| Model | MF4008-50-O6-BV-A |

| Measured Medium | Clean and dry gases such as air, N₂, O₂, Ar, CO₂, etc. |

| Flow Range | 0 - 50 SLPM (standard liters per minute) |

| Range Ratio | 100:1 |

| Measurement Accuracy | ±(1.5 + 0.2FS) % |

| Repeatability | 0.25% |

| Response Time | 10ms (default, software configurable from 10 - 1000ms) |

| Output Signal | 0.5 - 4.5V analog voltage; RS485 Modbus-RTU half-duplex |

| Power Supply Voltage | DC 8 - 24V, typical 50mA |

| Display | 4-digit 7-segment LED digital tube, instantaneous flow SLPM / cumulative flow SL, status indicator light |

| Display Resolution | 0.01 / 0.1 SLPM adjustable |

| Maximum Working Pressure | 0.5 MPa |

| Full-scale Pressure Loss | ≤ 600 Pa |

Environmental Conditions

- Operating Temperature: -10°C ~ +55°C

- Storage Temperature: -20°C ~ +65°C

- Operating Humidity: < 95% RH, no condensation, no freezing

Mechanical Interface

- Gas Connection: O6, Φ6mm quick-connect connector

- Diameter: 8mm

- Medium Requirements: Clean and dry gas, no dust, oil mist, liquid water allowed to enter the sensor

Main Features

1. MEMS thermal mass measurement, **no need for temperature and pressure compensation, directly outputs mass flow

2. 6mm quick-connect connector, convenient pipeline disassembly and assembly, low pressure loss, suitable for small flow gas lines

3. Dual output: analog voltage + RS485 Modbus, compatible with PLC, upper computer, embedded systems

4. LED local display, can view instantaneous and cumulative flow; fast response, time parameters software adjustable

5. Wide range ratio 100:1, stable measurement for both small and large flow ranges

Typical Application Scenarios

Gas analyzer, medical breathing equipment, laboratory gas line control, environmental sampling system, industrial process gas monitoring, welding protection gas monitoring, oxygen / nitrogen ratio equipment, scientific gas testing platform

Specifications: