YJJ AMS3002H00 Aosong MEMS Gas Mass Flow Meter 20-2000L/min For Industrial Dry Gas

Product Description:

YJJ AMS3002H00 Aosong MEMS Gas Mass Flow Meter 20-2000L/min For Industrial Dry Gas

Features:

AMS3002H00 belongs to the AMS3 series of industrial-grade MEMS thermal gas mass flowmeters, directly measuring the gas mass flow rate, equipped with built-in temperature and pressure compensation, unaffected by pressure and temperature fluctuations; it also supports RS485 Modbus, 1-5V analog output, and dual-channel NPN alarm output; the TFT color display can be rotated, showing instantaneous flow rate, cumulative flow rate, gas type, and alarm status; it is suitable for medium to large flow rates of dry and non-corrosive gases, widely used in oxygen production, air compressors, welding shielding gas, industrial gas lines, environmental protection sampling, new energy equipment OEM integration.

Only applicable to dry, clean, and non-corrosive gases; long-term use is prohibited with condensate water vapor, dust, strong corrosion, flammable and explosive gases;

Core technical parameters (calibration reference: 25℃, 101.325kPa, air)

| Model | AMS3002H00 |

| Measurement principle | MEMS thermal mass flow |

| Flow range | 20～2000 L/min |

| Accuracy | ±3% F.S. (effective range 200～2000 L/min) |

| Repeatability | ±1% F.S. |

| Response time | ≤1 s |

| Supply voltage | DC 9～24V |

| Power consumption | <0.85 W |

| Output signal | RS485 Modbus, 1-5V linear voltage, dual-channel NPN collector open circuit (upper and lower limit alarm) |

| Display | Rotatable TFT color screen, instantaneous flow rate, cumulative flow rate, alarm status |

| Maximum pressure resistance | 1.5 MPa |

| Operating temperature | 0℃ ～ +50℃ |

| Applicable gases | Air, N₂ nitrogen, O₂ oxygen, Ar argon, CO₂ carbon dioxide, etc. dry and clean gases |

| Pipe interface | RC 3/4 internal thread |

| Air duct material | 6061 aluminum alloy |

| Shell material | PC |

Product features

1. MEMS thermal mass measurement, with built-in automatic temperature and pressure compensation, providing accurate mass flow output

2. Three-in-one signal output, including digital communication + analog voltage + two alarm switches, compatible with PLC and industrial control systems

3. Rotatable TFT color screen, facilitating on-site reading and parameter setting

4. Aluminum alloy flow channel, with high pressure resistance, suitable for industrial compressed air and process gas lines

5. Medium to large flow range, RC3/4 threads, suitable for main pipeline installation

6. Two independent NPN alarms, allowing separate setting of upper and lower flow warning limits

7. Good stability, suitable for long-term online monitoring

Typical application scenarios

Industrial oxygen production main gas path monitoring, air compressor compressed air flow measurement, welding shielding gas (argon / mixed gas), nitrogen protection encapsulation, environmental protection gas sampling, fuel cell testing, laser cutting protection gas, new energy equipment, large flow gas path ratio in laboratories

Specifications: