26 OI/266/HART-EN Rev. D | 2600T Series Pressure transmitters
266 Models - HART
Liquid Level Measurement with open tanks
– Mount the transmitter at the same height or below the lowest
level to be measured.
– Connect the + (H) side of the transmitter to the bottom of the
tank.
– Vent the “–” (L) side of the transmitter to the atmosphere (in
this case a gauge pressure is shown; the (L) side is already
vented to the atmosphere).
Pressure or Absolute Pressure measurement of a tank
– Place the taps in the upper part of the tank.
– Mount the transmitter above the elevation of the process tap.
– Connect the transmitter to the tank.
Figure 30: Level measurement on open tank with P style transmitter
Figure 31: Gauge or absolute pressure measurement on a tank with DP and P style transmitter
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