Characteristics of differential pressure sensor

The differential pressure sensor is known for its high sensitivity and stable zero-point offset. It utilizes thermal gas flow measurement technology, incorporating a microfluidic channel that significantly reduces the gas flow rate. This low flow rate ensures that the sensor's connection lines and filters do not require frequent recalibration, enhancing long-term reliability and performance.

This sensor uses an imported differential pressure integrated chip, with key circuit components sourced from internationally renowned brands. The fully enclosed circuit design offers moisture resistance, anti-condensation, leakage prevention, and lightning protection. The housing is made of aluminum alloy or stainless steel, ensuring durability in harsh environments. The two pressure ports are available in M10 thread or plug configurations, allowing direct installation on pipelines or connection via tubing. With features such as adjustable zero point, high precision, minimal temperature drift, strong interference resistance, and stable operation, this sensor is cost-effective and widely used across various industries, including HVAC, industrial automation, and environmental monitoring.

It is commonly applied in boiler air supply systems, underground ventilation, central air conditioning, duct airflow measurement, building automation, coal industry pressure processes, laboratories requiring precise air pressure control, and fire engineering applications. It is also referred to as a wind pressure difference sensor, air pressure difference sensor, pipeline air pressure differential sensor, or indoor air pressure differential sensor.

The core component of the differential pressure sensor is a capacitive pressure-sensitive element. A stainless steel diaphragm and a fixed electrode form a capacitor whose capacitance changes in response to pressure variations, allowing accurate pressure detection.

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Tags: Differential Pressure Sensor, Microfluid Chip, Flow Rate, Offset

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