11
temperature -40
℃
~120
℃
/-20
℃
~85
℃
(cable type)and the relative
humidity≤85%, no corrosive substance in the room.
6 Operation
、
Maintenance and Responsibility
6.1 Operation
The user could operate the transmitter without any adjustment. Be sure
the installation and electric connection are correct.
The transmitter could work at once as soon as the power is supplied. But
the signal output will be more stable after 30 minutes.
6.2 Maintenance
MPM489 Piezo-resistive pressure transmitter is the compact
measurement device, please pay attention to the following items in the
operation:
a) If the pressure-leading hole is jammed or the diaphragm is dirty,
please clean them with impregnant which is compatible with
transmitter construction material. Do not poke pressure-leading
hole with hard object or brush diaphragm.
b) Other cable in the transmitter is for our company’s adjustments, do
not connect it at will to protect the transmitter.
c) The transmitter and the external circuit connect through the speci
al plug seat, When the installation of electrical connection is comp
leted, be sure to tighten the socket nut and cable fastening nut to
ensure that the transmitter protection level.
