How to Adjust Pressure of a Remote Transmission Pressure Gauge?
Pressure Gauges
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How to Adjust Pressure of a Remote Transmission Pressure Gauge?



Install the pressure gauge on the pressure calibrator, and connect the variable resistor attached to the gauge to the ohm range of an ohmmeter or multimeter. Then perform positive (increasing pressure) and negative (decreasing pressure) verification of the pressure gauge's indication. The indication error should meet the requirements of the verification procedures.

While verifying the pressure indication, observe the variable resistor's resistance value changes on the ohm range of the ohmmeter or multimeter. When observing, the resistance value should be read simultaneously. The resistance changes should be linear and continuous, just like the pressure indication changes. At the upper and lower limits of the pressure indication, pay attention to whether the variable resistor is within its effective working range. If not, adjust it by changing the slider and other methods.

The conductive performance between the movable contact of the variable resistor and the winding resistance of the pressure gauge should be checked because it directly affects the function of the connected circuit.

First, check the contact pressure between the movable contact and the winding resistance. They should not be too loose; if so, adjust them by changing the shape of the movable contact.

Then, check the contact pressure between the movable contact and the winding resistance. They should not be too tight; if so, clean the movable contact's contact layer with cotton dipped in alcohol.

Increasing the contact pressure can also reduce the contact resistance.

The geometric shape and material properties of the movable contact of the variable resistor attached to the remote transmission pressure gauge's sector gear should meet the requirements for adjustment. Otherwise, it will affect the conductive performance between the variable resistor and the winding resistance, and the movable contact may slide out of the winding resistance's effective working range, causing the circuit connected to the variable resistor to break.

Remote transmission pressure gauges are an essential tool for applications that require real-time monitoring and control of pressure in remote locations. These gauges feature a transducer that converts the pressure signal into an electronic output, which can transmit to a remote monitoring station via wired or wireless connectivity. Remote transmission gauges offer several benefits, including reduced installation and maintenance costs, improved efficiency, and enhanced safety. With advances in technology, modern intelligent pressure gauge can even provide advanced features such as data logging, trend analysis, and cloud-based monitoring for remote access via mobile devices or web portals.

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