266CRx, 266JRx, 266CSx, 266JSx | OI/266CXX/266JXX/HART-EN Rev. B 29
8.12.4 Fill level measurement on open tanks with fluids
Fig. 23: Level measurement on open tanks
Mount the transmitte
r at the same height or below the lowest
level to be measured.
Connect the high pressure side "+" (H) of the transmitter to the
bottom of the tank.
Leave the low pressure side “–” (L) of the transmitter open to
the atmosphere.
8.12.5 Fill l
evel measurement on the steam boiler (drum
water level)
Fig. 24: Level measurement on the steam boiler
Mount the transmitter at the same height or below the lowest
level to be measured.
Connect the high pressure side "+" (H) of the transmitter to the
bottom of the tank.
The low pressure side “–” (L) of the transmitter up at the tank.
Above the maximum level, connect using a condensate vessel.
Use the condensate tank to ensure that the impulse line of the
low pressure side is always filled with liquid (condensate) at a
constant height.
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