Micro Differential‑Pressure Transmitter

Conventional pressure measuring devices have insurmountable defects in ultra-low micro-differential pressure scenarios. Standard differential pressure transmitters and ordinary pressure sensors have insufficient minimum resolution, unable to capture subtle Pa-level pressure fluctuations. Traditional mechanical micro-pressure gauges suffer from slow response, poor repeatability and severe pointer jitter under weak airflow vibration, failing to meet automatic system signal acquisition requirements. Generic electronic sensors are prone to zero drift, temperature deviation and signal instability in long-term low-pressure operation, resulting in inaccurate room pressure balance and airflow control disorder. Most ordinary transmitters cannot identify positive pressure, negative pressure and bidirectional tiny pressure differences, limiting their application in ventilation and purification engineering. The Micro Differential Pressure Transmitter thoroughly solves the above industry pain points. Adopting high-precision MEMS piezoresistive micro-pressure sensing core and optimized stress isolation structure, it can accurately detect ultra-small pressure differences in Pa level that ordinary transmitters cannot recognize. Built-in high-speed signal acquisition circuit and digital filtering algorithm eliminate airflow fluctuation and electromagnetic interference, ensuring smooth and stable output signals. Intelligent full-temperature dynamic compensation technology automatically corrects zero drift and sensitivity deviation caused by ambient temperature changes, maintaining long-term consistent precision. It supports bidirectional positive and negative pressure detection, covering vacuum, micro-positive pressure and differential pressure working conditions. With compact integrated design and universal industrial signal output, it seamlessly connects with PLC, DCS and building automation systems to realize real-time monitoring and precise control of micro-pressure environments.

This industrial micro differential pressure transmitter supports diversified personalized customization for building automation, pharmaceutical cleanrooms, dust removal ventilation, boiler furnace pressure monitoring and laboratory micro-pressure control projects. Advanced MEMS micro-sensing technology delivers ultra-high Pa-level resolution, accurately capturing tiny airflow and pressure difference changes. Bidirectional pressure detection supports positive pressure, negative pressure and differential pressure measurement with wide scenario compatibility. Ultra-low zero drift and excellent long-term stability reduce frequent calibration and maintenance workload. Fast millisecond-level dynamic response tracks real-time pressure fluctuation, ensuring sensitive linkage of ventilation and purification systems. Intelligent digital filtering algorithm suppresses on-site airflow vibration and signal clutter interference. Low power consumption and high EMC anti-interference performance adapt to long-term continuous industrial operation. Compact lightweight structure simplifies installation and wiring without occupying equipment space. According to project demands, we can customize ultra-low pressure range, bidirectional/ unidirectional pressure mode, LCD local display, signal output mode and shell protection grade to meet refined micro-pressure monitoring requirements of different purification and ventilation systems.