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Pressure transmitter for measuring closed or open level

time£º2018-10-18 16:53    source£ºshelok pressure transmitter

 Pressure transmitter for measuring closed or open level

 

 We know that pressure transmitters are used to measure pressure, so what does it have to do with measuring the liquid level? Measuring the liquid level is generally considered to be a liquid level gauge to measure the liquid level. In fact, the pressure transmitter can also be used to measure the liquid level.

 

 

  For example, a tank height of 8 meters, a medium stored in the density of 0.9, and now want to use the transmitter to achieve the purpose of measuring the liquid level. Then we must first calculate the transmitter range corresponding to the liquid level of 8 meters, which is KPa. According to the unit we know that the pressure = pgh = 8 * 0.9 * 9.8 = 70.56kpa.

 

   If the tank is sealed, then the intelligent differential pressure transmitter is used for measurement. Because it is intelligent, the range can be adjusted within the allowable range of accuracy, and the engineering unit and output mode can be selected. 70.56kpa is generally 0-100% linear display by default. The amount of migration can be set according to the actual situation. (Related article recommended: migration principle and fault analysis when using differential pressure transmitter to measure liquid level)

 

   If the tank is an open container, it can be measured by a pressure transmitter. Choose SC-EJA530A (high imitation) or SC308.

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