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| What kind of pressure transmitter is best for level control, submersible or In-Line? |
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| Submersible transmitters are most frequently used for wastewater lift stations and water storage tanks that are on or under the ground. This is because it is usually relatively easy to gain access to the tank to install and service a submersible transmitter. The advantage of a submersible unit is that it will always read accurate tank level without being affected by pressures surges caused by pumps or heavy demand. |
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| In-line pressure transmitters, those that have a standard 1/4" or 1/2" process connection, are most commonly used on elevated water reservoirs or on water systems where direct access to the tank is difficult or undesirable. One of the advantages of the in-line type is that it can easily replace an old unreliable pressure switch control by simply unscrewing the pressure switch and installing the pressure transmitter. The pressure transmitter combined with a low-cost electronic level controller can allow much more accurate control and include high/low level alarms as well. |
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