YJJ AMS1000A04 Thermal Gas Mass Flow Meter MEMS Chip for Industrial Process Control - 0-200L/min

Product Description:

YJJ AMS1000A04 Thermal Gas Mass Flow Meter MEMS Chip for Industrial Process Control - 0-200L/min

Features:

Core Parameters (AMS1000A04)
Measurement Principle: Thermal Mass Flow (MEMS Chip)
Detected Gases: Air, N2, O2, CO2, Ar, He, etc. - Dry, clean, non-corrosive, non-flammable, and non-explosive gases
Range (A04): 0 - 200 L/min (Standard)
Accuracy:
±4% RD (2 ≤ x < 50 L/min)
±2% RD (50 ≤ x ≤ 200 L/min)
Repeatability: ≤ ±0.5% FS
Response Time (T90): ≤ 1 Second
Operating Temperature: -10°C ~ +60°C
Medium Temperature: 0°C ~ +50°C
Operating Pressure: ≤ 0.8 MPa (8 bar)
Power Supply: 9 ~ 24 VDC
Power Consumption: Typical 0.85 W
Display: LCD Screen (Instantaneous / Cumulative / Temperature, 4-way Adjustable)
Output Signal (Standard): RS485 (Modbus-RTU)
2-channel NPN switch (upper and lower limit alarm)
4-20 mA / 1-5 V (optional)
Material: Valve body 6061 aluminum alloy, housing PC
Size: approximately 100 × 48.5 × 98.6 mm
Life: > 5 years (normal operation conditions)
II. Main Applications
1. Industrial process control
Air compressor / compressed air: energy consumption monitoring, flow distribution, energy-saving management
Food / pharmaceutical packaging: modified atmosphere packaging (MAP), gas preservation, aseptic risk control
Electronics / semiconductors: process gas (N2/O2) flow, equipment purging, environmental gas control
2. Research and laboratories
Universities / research institutes: precise gas ratio in experiments, reaction furnace atmosphere control, environmental simulation
Analytical instruments: gas chromatography, spectrometer carrier gas / auxiliary gas flow monitoring
3. Environment and HVAC
Environmental monitoring: flue gas / exhaust gas emissions, VOCs treatment air volume measurement
HVAC / fresh air: building ventilation, cleanroom, operating room air volume control
4. Other industries
Tobacco: tobacco manufacturing, rolling and packaging process gas measurement
Agriculture: greenhouse CO2 fertilizer, breeding ventilation, gas-controlled storage
Fire protection: smoke exhaust system, gas fire suppression system flow detection
III. Core Advantages
MEMS high precision: stable low flow, fast response, small long-term drift
Multi-function integration: flow + temperature + cumulative + alarm integrated
Multiple signal output: RS485 + analog + digital quantity, compatible with PLC / upper computer
LCD direct reading: on-site debugging / calibration without external equipment
Wide temperature and pressure resistance: suitable for industrial harsh environments, maintenance-free

Specifications: