YJJ AFS01 Thermal Mass Micro Flow Sensor 0-±200sccm I2C for Ventilator and Laboratory Gas Mixing

Product Description:

YJJ AFS01 Thermal Mass Micro Flow Sensor 0-±200sccm I2C for Ventilator and Laboratory Gas Mixing

Features:

Product Introduction: AFS01 Thermal Gas Microflow Sensor, based on the principle of heat transfer, features a built-in 24-bit ADC + MCU. It is **fully calibrated at factory** and supports bidirectional gas mass flow measurement. It has an I2C digital output and is used for detecting small flow rates of non-corrosive gases. Guangzhou Aosong Electric...

Core Technical Parameters

| Measurement Principle | Thermal Flow Sensing (Principle of Heat Transfer) |
| Flow Range | **0~±200 sccm (Standard Condition, Bidirectional Measurement)** |
| Measurement Accuracy | ±3% Reading (Standard Air) |
| Repeatability | ±1% Reading |
| Sampling Period | 0.5s (500ms) |
| Supply Voltage | **4.75~5.25VDC (Typical 5V)** |
| Working Current | 7.5~10mA, Power Consumption < 50mW |
| Communication Interface | I²C, Rate 100~400KHz |
| Working Temperature | -25℃ ~ +85℃ |
| Storage Temperature | -25℃ ~ +90℃ |
| Applicable Medium | Air and Various **Non-Corrosive Dry Gases** |
| Measurement Characteristics | Can Identify Flow Direction, Small Lag Error |
| Calibration | Factory Calibration, Direct Output of Flow Value, No Secondary Calibration Required |

Product features

1. Bidirectional micro-flow detection, capable of identifying gas flow direction
2. Built-in 24-bit ADC + MCU, I2C digital output, facilitating connection with microcontrollers and PLCs
3. Factory complete calibration, ready to use upon receipt, reducing development costs
4. Low power consumption, compact size, direct plug-in installation for pipelines
5. Strong anti-interference ability, good long-term stability, suitable for batch OEM integration

Typical application scenarios

Medical equipment, gas analysis instruments, leak detection equipment, respiratory equipment, laboratory gas lines, gas quality monitoring, industrial micro-gas flow control

Specifications: