WIKA NS 160 Betriebsanleitung Seite 21

4. Design and function
4. Design and function
Description
„
Nominal size 100 or 160 mm
„
The instruments measure the pressure by means of resilient Bourdon
tube pressure elements
„
The measuring characteristics are in accordance with the EN 837-1
standard
„
In accordance with the EN 837-1 standard, pressure gauges with "S3"
marking are safety pressure gauges whose enclosing and pressur-
ised components are designed with a solid baffle wall. Models with
"S3" marking are 232.30, 233.30, 262.30, 263.30, 232.36 and 233.36.
The models PG23LT, PG23CP and PG28 are optionally available in
an "S3" variant.
1) The model PG28 scale range of 0... 700 bar [0 ... 10,000 psi] has achieved a load cycle stability of 180,000 load cycles,
in deviation from the requirements per EN 837-1.
Scope of delivery
Cross-check scope of delivery with delivery note.
WIKA operating instructions pressure gauge, model 2 per ATEX
EN
1)
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