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HPM240L On-site Display Low Consumption Pressure Transmitter

Pressure range: -100kPa…0~10kPa…100MPa
Output/Supply: RS485/3.6V battery
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HPM240L low-power pressure sensor utilizes a high-quality and stable pressure core as its sensing element. It converts fluid pressure into a standard RS485 signal output through a signal conditioning circuit, enabling precise measurements.

Powered by an internal lithium battery, the sensor has a long lifespan with low power consumption. It includes an on-site display and supports wireless transmission via RS485 network or wireless module connectivity. With rigorous aging and stability screening, the sensor delivers reliable and consistent performance. It is widely used in IoT pressure measurement, industrial process control, and challenging outdoor environments.


  • HPM240L low-power pressure sensor is well-suited for applications in the Internet of Things (IoT) domain, enabling seamless integration into IoT systems and networks for efficient data collection and analysis.

  • With its reliable and stable performance, the sensor finds extensive use in industrial process control applications. It plays a crucial role in monitoring and regulating pressure levels to ensure optimal operation and efficiency in various industrial processes.


  • The HPM240L low-power pressure sensor boasts remarkable efficiency with its low power consumption, ensuring long-lasting operation without draining excessive energy.

  • It features a built-in lithium battery power supply, providing a reliable and convenient source of power for the sensor's operation.

  • The sensor is equipped with an on-site display, allowing users to conveniently monitor and assess pressure readings directly at the installation site.

  • With its 485 communication capability, the sensor can seamlessly adapt to wireless modules, enabling wireless transmission and expanding its connectivity options.

  • The HPM240L sensor offers a high protection level of IP65, safeguarding it against dust ingress and water splashes, making it suitable for use in demanding environments that require robust protection against external elements.

Technical Parameters


HPM240L low-power pressure sensor

Measuring range



1.5x of full scale

Measuring medium

Various liquids compatible with contact materials

Output signal


Power supply

Vs=3.1~8 VDC(lithium-ion battery inside ER14250,3.6V 1200mAh)

Standby current


Date collection cycle


Power Consumption

About 200uA with data collection cycle as 1s

About 70uA with data collection cycle as 3s

About 50uA with data collection cycle as 5s..

Note:Longer data collection cycle, lower consumption,



Long-term stability


Medium temperature


Protection grade


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