Recommendation Of Non-contact Radar Level Transmitter Under Stirring And Vacuum Conditions

When faced with harsh production environments such as high temperature, high pressure, and steam, the 80 ghz radar level transmitter has excellent adaptability and is widely used in various complex working conditions. So, how to select a radar level gauge in the presence of stirring and vacuum conditions?

1. Selection strategy under mixing conditions

When it is necessary to measure a tank with stirring, it is not recommended to use a guided wave radar level meter, because stirring may damage the instrument and cause production losses. Instead, it is recommended to choose a high-frequency or low-frequency bell mouth radar level gauge for non-contact measurement.

2. Suggestions for selection under vacuum conditions

Under vacuum conditions, the boiling point of a liquid will be much lower than at standard atmospheric pressure, causing many liquids to begin boiling at a lower temperature. For example, this may happen in the reactors and evaporators of pharmaceutical factories. In a vacuum environment, the liquid takes the form of foam and water droplets, so the only choice is the bell mouth radar level gauge. In addition, adjustments need to be made on site. For specific measures, please consult the relevant manufacturers.

3. Power supply and output signal configuration

The 80 ghz radar level transmitter usually uses a 24VDC power supply. If the customer requires a 220VAC power supply, a 220VAC to 24VDC switching power supply is required. In terms of output signals, 4-20mA is currently the mainstream choice and is widely used in industrial settings. The 485 signal is less common and is generally used in situations with high requirements for low power consumption, such as water conservancy, hydrology and flash flood warning.