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    DPI702 portable pressure transmitter

    Product Overview

    working principle:

    The DPI702 pressure transmitter adopts the working principle of single crystal silicon, and the sensitive element single crystal silicon sensor is micro-melted in the insulating base. The measuring end is welded with 316L elastic measuring diaphragm, and the inside is filled with silicone oil as a conductor. When the elastic diaphragm is under pressure The slight deformation of the elastic grinding piece exerts pressure on the silicone oil, and the oil-filled cavity is reduced in pressure volume by the elastic diaphragm, and the pressure of the silicone oil is transmitted on the single crystal silicon sensor, so that the resistance bridge on the single crystal silicon sensor changes, and the output A linear millivolt level signal, through the amplifier circuit and microprocessor for signal amplification, linear correction, temperature compensation, zero adjustment, full scale calibration, data storage, A/D conversion, output a standard 4- 20mA signal, convenient for industrial process control reception, DPI702 pressure transmitter in addition to the standard signal output, the body with a blue backlit liquid crystal display, greatly facilitates the local operator to observe the pressure change of the measured medium at any time, DPI702 pressure change The transmitter provides an access interface for detecting the transmitter's contents with a multimeter through the detection terminal without disconnecting 24VDC and connecting in series. The amount of change, which greatly facilitates the work of the instrument for troubleshooting and analysis instruments, long-term 5 million units worldwide by the stable operation of the sensor.

    DPI702 pressure transmitters are widely used in:

    Fluid, liquid pressure, liquid level measurement in industries such as chemical, petroleum, oil refining, thermal power, coking, steel, metallurgy, fertilizer, sewage treatment, papermaking, steam turbines, heating centers, water pipe networks, textiles, pure water treatment, etc. .

    Can be used for: gauge, absolute, negative pressure,.