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A micro pressure transmitter is an industrial sensor used to measure very low pressures (typically in the Pa range) and convert them into standard electrical signals such as 4-20mA, 0-10V, or digital outputs. It is widely used in clean rooms, HVAC systems, and gas flow monitoring applications.
STG19 is mainly used for absolute or gauge micro pressure measurement with high accuracy and stability, while STG44 is a micro differential pressure transmitter designed for differential pressure applications such as filter monitoring and airflow measurement.
Common outputs include 4-20mA current, 0-5V/0-10V voltage, mV signals, and digital protocols such as Modbus-RTU, making integration with PLCs and control systems easy.
They are suitable for clean room pressure control, HVAC systems, filter blockage monitoring, gas flow detection, medical equipment, and industrial automation systems.
The range should be selected based on the actual maximum pressure, and it is generally recommended that the working pressure be within 60%–80% of the full scale to ensure accuracy and longer service life.
Yes, to ensure long-term measurement accuracy, it is recommended to calibrate every 6–12 months depending on the environment, especially in high humidity or polluted conditions.
Our engineering team will help you select the right product based on your application requirements.
