Product Description:

YJJ AMC2100R02 MEMS Gas Mass Flow Controller 0-20SCCM RS485 Modbus-RTU Gas Flow Regulator

Features:

I. Core Performance Parameters
Detection Principle: MEMS thermal micro-electromechanical flow sensing chip
Rated Capacity: 0 - 20 SCCM (standard condition: 0℃, 101.325kPa)
Measurement Accuracy: ±0.5% FS
Repeatability: ≤0.5% FS
Response Time: ≤2 s
Acceptable Inlet Pressure: 0.15 - 0.35 MPa
Allowable Pressure Difference: ≤0.1MPa
Applicable Medium: Dry and clean, non-corrosive gases (air, nitrogen, oxygen, argon, etc.; not suitable for strong corrosive, humid, dusty, flammable and explosive gases)
II. Electrical Specifications
Power Supply: DC24V
Overall Power Consumption ≤3W
Signal Output & Control Interface
Digital Communication: DB9 female connector RS485, Modbus-RTU protocol
Analog Signal: 0 - 5V voltage setting, flow feedback output
Built-in OLED digital display, real-time display of instantaneous flow
Support external key settings for target flow, parameter debugging
III. Mechanical Dimension Parameters
Gas Path Interface: 2-RC 1/4 internal thread
Overall Length, Width and Height: 80×50×73mm
Net Weight: 269g
Installation Holes: 2-M3 fixing screw holes
IV. Environmental Operating Conditions
Operating Temperature: 0℃ ~ +50℃
Storage Temperature: -10℃~60℃
Operating Humidity: 10 - 90% RH, no condensation in pipeline
V. Main Functions
Accurate measurement + closed-loop automatic control of gas mass flow, unaffected by temperature and pressure fluctuations
Remote setting of flow rate, real-time flow reading, fault codes through upper computer RS485
Support for fixed-point output of flow rate, stepwise flow regulation
Self-check, fault alarm
VI. Detailed Application Scenarios
Universities & Research Laboratories: Gas ratioing, mixed gas experiments, cell culture gas supply, catalytic experiments, chemical experiment gas path control
Environmental Monitoring Equipment: Gas analyzer, smoke sampling, air detector constant inlet air control
Medical Industry: Small oxygen supply equipment, medical experimental instruments, respiratory equipment gas path regulation
Industrial Equipment: Semiconductor equipment, plasma cleaning machine, welding protective gas, inert gas purging
Agriculture, Food Industry: Fermentation tank gas supply, nitrogen supply for preservation

Specifications: