VEGA VEGABAR External ventilation - Manual (Page 4)

2 Product description
2
.
1 Configuration
The scope of delivery encompasses:
l
External ventilation
l Documentation
-
this operating instructions manual
The external ventilation consists of a mounting boss with connected
PVC hose.
1 3 2
Fig. 1: External ventilation
1
Thread with teflon tape
2 Mounting boss
3 PVC hose
2
.
2 Principle of operation
The external ventilation is an accessory or retrofit part for VEGABAR
series 50 and 60 pressure transmitters. It is used for instruments with
relative pressure measuring ranges as well as the following aluminium
and stainless steel housings.
l
Aluminium single chamber housing
l Aluminium double chamber housing
l
Stainless steel housing, electropolished
l
Stainless steel precision casting, single chamber housing
l
Stainless steel precision casting, double chamber housing
The external ventilation is screwed into the sensor housing instead of
the protective cover of the measuring cell ventilation.
The external ventilation protects the ventilation opening against
pollution and moisture and ensures also the effectivity of the filter
element.
Mounting can be carried out at any time. It is not necessary to demount
the pressure transmitter or interrupt the power supply.
Scope of delivery
Components
Application area
Functional principle
4 External ventilation for VEGABAR
2 Product description
35621
-EN
-090121