D6F-02L7-000

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Flow sensors measure the rate of fluid movement, pressure, or both within a system. They provide accurate, reliable, and repeatable readings that often replace manual measurements, allowing automated processes to monitor fluid flow as it occurs. The D6F-02L7-000 is one such flow sensor designed to meet the high-precision demands of medical, automotive, and industrial automation.

The D6F-02L7-000 is a differential pressure (DP) sensor designed to measure differential pressure between two points to rapidly detect any change in flow rate. It uses a patented thermal micro hot-wire technology to increase mechanical durability and provide highly accurate readings. The sensor features a range of 0-500Pa, with a resolution of 0.01mPa. The hot-wire technology allows for accurate readings even at the highest points of the range, and the cross-sensitivity is only approximately 0.3% from 0-500Pa. It also has a very low temperature coefficient (~2% of full scale) for more consistent readings, ensuring accuracy.

The D6F-02L7-000 is suitable for a broad range of applications, such as medical respiratory beds, ventilators, and other medical devices. In the automotive industry, it is used to measure diesel exhaust flow rate and exhaust gas recirculation (EGR) flow to ensure proper functioning of the car’s emissions system. It can also be used in industrial processes to monitor the flow rate of gases or fluids based on temperature, pressure, or flow. For instance, it is used in air conditioning coils to measure the pressure difference so that the system can be adjusted accordingly.

In terms of installation, the D6F-02L7-000 can be mounted onto the side of a pipe or tube and requires pressure connections at two points. These can be made via tube-to-connector or through-hole connections. The sensor can be used in line with a controller, for example the AlphaSense ASC-233N for monitoring and controlling fluid flow. With a differential pressure pulse output and built-in temperature compensation, the D6F-02L7-000 is also more suited for long-term use in automated systems.

The working principle of the D6F-02L7-000 is based on the measurement of thermal conductivity. The hot-wire-style sensor consists of two thin wires of dissimilar metals with body parts made of stainless steel. These wires heat up when an electrical current is applied to them. The heated wires are connected at two points of pressure differential. When the pressure changes, the air or gas flow around the wires is affected, which results in a variation of the heat dissipation. This variation in temperature is detected by the temperature sensors, which converts the difference in temperature between the wires into an electrical voltage that is proportional to the pressure differential.

The differential pressure measurements are particularly important when it comes to medical and industrial automation. The D6F-02L7-000 provides reliable, highly accurate readings to ensure the optimal functioning of automated systems. Its hot-wire sensors provide extraordinary performance for long-term use, while its low temperature coefficient ensures accuracy across the full range of pressures. From automotive and medical applications to industrial processes, the D6F-02L7-000 can be used in a wide variety of settings.

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