WIKA 73 .02.100 Série Mode D'emploi page 6

3. Technical data and use in accordance with intended use
Table 1: Permissible medium temperature
Temperature class of
the ambient atmosphere
(ignition temperature)
GB
T 6 ( 85 °C < T ≤ 100 °C)
T 5 (100 °C < T ≤ 135 °C)
T 4 (135 °C < T ≤ 200 °C)
T 3 (200 °C < T ≤ 300 °C)
T 2 (300 °C < T ≤ 450 °C)
T 1 (T > 450 °C)
Materials
Wetted parts:
Movement:
Dial and pointer:
Case, bezel ring :
Window:
Installation
T Nominal position per EN 837-1 / 9.6.7 Figure 7: 90° ( )
T Pressure connections: lower mount (LM) parallel in-line (with special versions
back mount)
T In order to ensure that pressure can be safely and reliably vented through the
case back, a distance of at least 25 mm has to remain free behind the case!
T In order to avoid any additional heating, the instruments must not be
exposed to direct solar irradiation while in operation!
T With filled versions the ventilating valve at the top of the case must be
opened prior to commissioning!
6 WIKA Operating instructions pressure gauges Model 73X.02.100 per ATEX
Permissible maximum medium
temperature (in the pressure system)
Model 732.02
+70 °C
+85 °C
+120 °C
+185 °C
+200 °C
+200 °C
Stainless steel 1.4571 / 1.4404
Stainless steel
Aluminium
Stainless steel
Laminated safety glass
Model 733.02
+70 °C
+85 °C
+100 °C
+100 °C
+100 °C
+100 °C