Safety Instructions; Description - WIKA 7 Mode D'emploi

1. Safety instructions / 2. Description

1. Safety instructions

The appropriate national safety regulations (i.e. EN 837-2 Selec-
!
tion and installation recommendations for pressure gauges) must
GB
be observed when installing, commissioning and operating these
Caution
instruments.
Serious injuries and/or damage can occur should the appropriate regulations
„
not be observed
Only appropriately qualified personnel should work on these instruments
„
The actual maximum surface temperature is not generated by the
„
instruments themselves, but primarily by the respective medium temperature!
For maximum permissible medium temperatures see Table 2.

2. Description

Nominal size 100 and 160 mm
„
The pressure gauges measure the pressure with elastic diaphragm measuring
„
elements
The measuring characteristics are in accordance with the EN 837-3 standards
„
In addition, the case, bezel ring and the pressurised components of Model
„
73x.31 also meet the requirements of this standard, relating to safety pattern
pressure gauges with a solid baffle wall (code S3).
4 WIKA Operating instructions pressure gauges Model 7 per ATEX