Microsensor MPM4730 Operation Manual page 15

The transmitter shall be stored in a dry and ventilated room with a
temperature of -40℃ ~ 85℃(4730 B1 and B3), -20℃ ~ 85℃(4730
B2 and 4700) and a relative humidity ≤85%. There is no corrosive
gas in the indoor air to the transmitter.
6 Operation Maintenance and Responsibility
6.1 Operation
Customers do not need to make any adjustments to the transmitter
to put it into operation.Before putting into operation, please check the
installation and electrical connection again.After confirming the
correct electrical connection, switch on the power, preheat for 15min
and put into
6.2 Maintenance
MPM4730/4700 intelligent pressure/level transmitter does not need
regular maintenance. However, please pay attention to the following
items for better operation.
a) Please check the cable connection often and make sure the cable
connection reliably and no aging.
b) Please clean the steel cap and diaphragm cavity according to the
measuring media. (take care!)
c) Please do not pull the cable violently or press the diaphragm with
sharp or hard metal, etc.
d) Please be sure the vented tube connected with the atmosphere
unobstructed. Please do not jam the vented tube to prevent make
operation.
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