Special Hazards - WIKA 232.50.100 Betriebsanleitung

2. Safety
Table 1: Permissible medium temperature
Temperature class of the
ambient atmosphere
GB
(ignition temperature)
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)

2.4 Special hazards

For additional important safety instructions see chapter "2.3 Safety
instructions for pressure gauges per ATEX".
8
WARNING!
For hazardous media such as oxygen, acetylene, flamma-
ble or toxic gases or liquids, and refrigeration plants,
compressors, etc., in addition to all standard regulations,
the appropriate existing codes or regulations must also be
followed.
WARNING!
Residual media in dismounted pressure gauges can result
in a risk to persons, the environment and equipment.
Take sufficient precautionary measures.
WIKA operating instructions pressure gauge model 2 per ATEX
Maximum permissible medium
temperature (in the measuring system)
Models 232
(dry gauges)
+70 °C
+85 °C
+120 °C
+185 °C
+200 °C
+200 °C
Models 233
(liquid-filled gauges)
+70 °C
+85 °C
+100 °C
+100 °C
+100 °C
+100 °C