3. Specifications
Overload safety and max. working pressure
Models 732.31, 732.51, 733.31, 733.51
Scale range
0 ... 16 to 0 ... 40 mbar
0 ... 60 to 0 ... 250 mbar
0 ... 400 mbar
0 ... 0.6 bar
0 ... 1 bar
0 ... 1.6 bar
0 ... 2.5 to 0 ... 25 bar
Overload safety and max. working pressure
Models 732.14, 762.14, 733.14, 763.14
Pressure
On one side and alternatingly
rating
on the ⊕ and ⊖ sides
PN 40
40 bar
PN 100
100 bar
PN 250
250 bar
PN 400
400 bar
PN 650
400 bar
Materials of wetted parts
Process connection, media chamber, measuring flange: Stainless steel, Monel
(only models 762.14, 763.14)
Models
732.31, 732.51,
733.31, 733.51
732.14, 733.14
762.14, 763.14
Sealing (only models 732.14, 733.14, 762.14, 763.14): FPM/FKM
Vent screws for media chamber:
Stainless steel (optional for scale ranges ≥ 0.4 bar)
WIKA operating instructions pressure gauge model 7 per ATEX
Max. working pressure
(static pressure) in bar
Standard
2.5
6
25
25
25
25
25
Pressure element
Scale range ≤ 0.25 bar: Stainless steel
Scale range > 0.25 bar: NiCr alloy (Inconel)
Stainless steel/NiCr alloy (Inconel) or Hastelloy (option)
Monel or Monel/Hastelloy (option)
Overload safety, either
side in bar
Option
Standard
6
2.5
10
2.5
40
4
40
6
40
10
40
16
40
25
On both sides on the
⊕ and ⊖ side
40 bar
100 bar
250 bar
400 bar
650 bar
EN
Option
-
6
40
40
40
40
40
15