APT3500 Smart Pressure Transmitter
Operation Manual M3500-EO1G
51 DUON System Co., Ltd.
After completely removing Rotation Lock Screw and Housing Lock Screw, it is possible to
separate housing and sensor body of Transmitter by rotating housing. But, internal electronic
boards should be removed in advance before separating housing and sensor body.
Cover Lock Screw fixes the front and rear covers to prevent them from loosening. Fully
loosened, the Screw is stuck to the Cover side and Cover is fixed not to turn. Closing Cover Lock
Screw again, you can open it by turning Cover.
4.9 Environmental Considerations
4.9.1 Effect of Ambient Temperature
You have to install at -20
℃
~60
℃
(-4~180
℉
), operating ambient temperature range. If predicted
heat seems to exceed or equivalent to ambient temperature range limit, you have to consider
additional method to cutoff the process heat.
4.9.2 Environment of toxic, moisture
Housing of APT-3100 can be protected to moisture or toxic material. Electronic circuit side is
separating from terminal side. When O-ring Seal cover covers, it is intrinsic safety. But, some drip
could penetrate to the housing of transmitter through conduit pipeline. Therefore, transmitter
should be set up over the position of conduit pipe for preventing drip.
4.9.3 Installation of dangerous place
Transmitter is designed to explosion-proof housing. Installation environment of transmitter must
be confirmed explosion-proof specification.
