ShenzhenYijiajie Electronic Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 2200 |
| Delivery Time | 5-8 days |
| Packaging Details | Palletized |
| Range | 0-50 SLPM |
| Accuracy | ±0.5% FS |
| Repeatability | ±0.1% FS |
| Response time | ≤1 ms |
| Output interface | I2C |
| Power supply voltage | 3-10 VDC |
| Power consumption | 25 mW |
| Operating temperature | -20℃ - +70℃ |
| Brand Name | YJJ |
| Model Number | HAFUHH0050L4AXT |
| Place of Origin | USA |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 2200 |
| Delivery Time | 5-8 days | Packaging Details | Palletized |
| Range | 0-50 SLPM | Accuracy | ±0.5% FS |
| Repeatability | ±0.1% FS | Response time | ≤1 ms |
| Output interface | I2C | Power supply voltage | 3-10 VDC |
| Power consumption | 25 mW | Operating temperature | -20℃ - +70℃ |
| Brand Name | YJJ | Model Number | HAFUHH0050L4AXT |
| Place of Origin | USA | ||
| High Light | MEMS thermal flow sensor medical ，0-50SLPM mass flow sensor ，electronic pressure sensor with warranty | ||
Product Description:
YJJ HAFUHH0050L4AXT MEMS Thermal Mass Flow Sensor for Medical Use 0-50SLPM
Features:
I. Core Parameters (25℃, 1 atm)
Model: HAFUHH0050L4AXT
Measurement medium: Dry and clean air / Non-corrosive gas
Range: 0–50 SLPM (resolution up to ±0.05 SLPM)
Accuracy: ±0.5% FS (full scale), ±0.5% reading
Repeatability: ±0.1% FS
Response time: ≤ 1 ms (rapid dynamic measurement)
Output interface: I2C (digital), 3.3V level
Power supply voltage: 3–10 VDC (typical 3.3/5V)
Power consumption: Static approximately 25 mW, maximum ≤ 60 mW
Operating temperature: -20℃ to +70℃; medium compensation 0℃ to +50℃
Pressure resistance: Maximum 60 psi (approximately 4 bar)
Interface size: 22 mm conical male connector (pneumatic quick-connect)
Package: 6-pin SIP connector, flame-retardant thermoplastic housing
Life: >5 years (normal operation), RoHS compliant
II. Working Principle
Uses MEMS thermal microbridge technology:
Chip includes an insulated heating resistor + upstream and downstream temperature sensing resistors;
Air flow removes heat, and the temperature difference between upstream and downstream is proportional to the mass flow rate;
ASIC chip completes temperature compensation, linearization, digitization, and outputs I2C signal;
Directly measures mass flow rate, unaffected by temperature / pressure fluctuations.
III. Main Applications
Medical equipment: Oxygen / air flow precise control for ventilators, anesthesia machines, pulmonary function instruments;
Industrial automation: Gas ratioing, welding shielding gas, leak detection equipment, gas mass flow monitoring;
Environmental monitoring: Air sampling pump flow calibration, gas analyzer flow stability;
Appliances / fresh air: High-end fresh air systems, air purifiers with closed-loop wind volume control;
Research instruments: Laboratory gas pipelines, precision pneumatic equipment flow measurement.
Specifications:
| Measurement range | 0–50 SLPM |
| Operating temperature | -20℃ to +70℃ |
| Medium compensation | 0℃ to +50℃ |
| Pressure resistance | Maximum 60 psi |
| Interface size | 22 mm |
| Package | 6-pin SIP |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2006
Total Annual:
900000-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph... Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph...
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