PI16xx PI18xx
Electronic pressure sensor
16
6.3.2 Orientation filter cover
Select the installation situation so that the filter cover is horizontal and the condensate can drain off
due to gravity.
3
1
2
u
Ideal orientation (1):
The filter cover is in a horizontal position.
w
The ventilation diaphragm (2) in the filter cover is in a vertical
position.
u
Maximum inclination of the filter cover: 30° (3)
6.3.3 Replace filter cover
(1) Exchange of the filter cover incl. ventilation diaphragm (E30483).
In difficult environmental conditions or an installation situation that does not correspond to the ideal
alignment (1), the following accessories can be used to protect the ventilation diaphragm:
(2) Replace the filter cover with a closed version (E30148)*.
(3) Replace the filter cover with a version with a tube fitting and a vent tube that ends in a protected and dry area (E30139).
(4) Set of accessories (E30467) with integrated replacement diaphragm (ventilation diaphragm). Recommended for chemically
demanding applications in external cleaning. Function: (
Ò
Installation instructions E30467).
2
3
4
1
u
Avoid soiling and moisture during the exchange.
u
Clean the thread carefully and without residues.
u
Do not damage the adhesive surface for the diaphragm on the sensor.
u
Observe the orientation of the filter cover (
Ò
Installation instructions E30139 / E30467).
*
When using the closed filter cover, there is no more pressure compensation of the measuring
cell. This results in measurement deviations caused by:
•
Fluctuations of the atmospheric pressure.
