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QYB401 High Precision Differential Pressure Transmitter
QYB401 High Precision Differential Pressure Transmitter
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The QYB401 is a compact differential pressure transmitter that uses a high-performance monocrystalline silicon sensor based on German MEMS technology. It features a dual-diaphragm structure, integrated signal processing, and real-time temperature compensation to ensure high accuracy and long-term stability.
Its stainless steel construction and multiple output options make it ideal for precise differential pressure monitoring across industrial and HVAC systems.
Applications:
Industrial automation
Filtration and pump monitoring
HVAC differential pressure control
Water and wastewater treatment
Building pressure systems
Petrochemical process control
Technical Specifications:
Parameter | Value |
---|---|
Sensor Type | Monocrystalline silicon (MEMS) |
Pressure Type | Differential pressure |
Measuring Range | ±1 kPa to ±1 MPa (customizable) |
Accuracy | ±0.25%F.S / ±0.1%F.S (optional) |
Output Signal | 4–20mA / 0–10V / RS485 / Modbus |
Power Supply | 10–30V DC |
Operating Temperature | -20℃ to 85℃ |
Overload Pressure | 200% of Full Scale |
Process Connection | G1/4, M20×1.5, NPT1/4, Customized |
Electrical Connection | Cable / M12 / DIN43650 |
Protection Rating | IP65 / IP67 |
Housing Material | Stainless Steel |
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