The QYB400 intelligent pressure transmitter adopts a modular design with a microprocessor core and advanced digital isolation technology. Its high-precision monocrystalline silicon sensor and intelligent temperature and static pressure compensation significantly improve measurement accuracy and environmental adaptability. It supports HART or RS-485 communication for easy remote configuration and diagnostics, and is ideal for long-term, stable, and highly accurate monitoring.
This product is suitable for complex industrial scenarios such as pipeline and tank level monitoring, power systems, gas distribution, pulp and paper processing, and furnace pressure measurement.
Applications:
Liquid, gas, and vapor pressure monitoring
Tank level measurement
Furnace and combustion chamber pressure control
Electrical and city gas infrastructure
Pulp, paper, and chemical processing
Harsh outdoor and high-load industrial environments
Technical Specifications:
Parameter
Value
Measuring Medium
Liquids, gases, vapors
Measurement Type
Gauge Pressure / Absolute Pressure
Output Signal
4–20mA + HART / RS485
Pressure Range
Multiple: (0–6)kPa to (0–2.1)MPa (TD:10:1)
Accuracy
±0.05%F.S / ±0.075%F.S / ±0.1%F.S
Long-Term Stability
±0.075%F.S/year
Power Supply
12–36V DC
Display
Optional digital LCD or LED display
Overvoltage Protection
Up to 25 MPa with dual-diaphragm overload protection
