9
10 Maintenance
The level transmitter requires no maintenance.
CAUTION
11 Operating conditions
The following points should be noted particularly when using the device:
•
The maximum permissible pressure pmax of the transmitter may not be exceeded.
•
The temperature of the medium in contact with the transmitter may not exceed 80°C.
•
Avoid formation of ice on the process input of the transmitter because this could damage the
diaphragm.
•
Prevent soiling of the transmitter input.
•
Avoid obstruction to the vent pipes in the special cable (influences the measuring accuracy).
•
The effects of UV radiation can cause materials to become brittle. Protect the level sensing
pressure transmitter from direct sunlight.
•
The device should only be supplied with limited energy according to
UL 61010-1 Second Edition, Section 9.3 or LPS in conformance with
UL 60950-1 or class 2 in compliance with UL 1310 or UL 1585.
12 Conditions during operation
Ambient conditions Outdoor and indoor use
Ambient temperature -20 ... +80 °C
Altitude max. 2000m ASL, Use an appropriate power
supply for altitudes higher than 2000 m ASL
Relative humidity 0 ... 100%
Storage temperature -40 ... +80°C
13 Electrical connections
OUT
CASE
L+
1
4
2
BN
GN
WH
