APR-2000ALW,APRE-2000 with direct diaphragm seal

Smart or analog differential pressure transmitters with diaphragm seals for level measurement
- to pressure tank with gas-filled negative pressure line are recommended
transmitters with diaphragm seal mounted on "+" side
- to pressure tank with liquid-filled negative line are recommended transmitters with diaphragm seal mounted on "-" side and converted output signal.
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