Ex Version - WIKA 712.15.160 Betriebsanleitung

2. Safety
Risk of burns!
Potentially dangerous situation caused by hot surfaces.
The instrument bearing this mark is a safety pressure gauge with a solid baffle wall
EN
in accordance with EN 837, safety version "S3".
Do not dispose of with household waste. Ensure a proper disposal in accordance
with national regulations.

2.7 Ex version

The Ex version of the models 712.15.160 and 732.15.160 consists exclusively of a mechani-
cal differential pressure gauge with integrated transmitter electronics, model 892.44.
DANGER!
Danger to life due to loss of explosion protection
Non-observance of these instructions and their contents may result in the loss of
explosion protection.
▶
Observe the safety instructions in this chapter and further explosion protection
instructions in these operating instructions.
▶
Observe the information given in the applicable type examination certificate and
the relevant country-specific regulations for installation and use in hazardous
areas (e.g. IEC 60079-14, NEC, CEC).
Check whether the classification is suitable for the application. Observe the relevant national
regulations.
Ex marking
ATEX
IECEx
II 2G Ex ia IIC T4/T5/T6 Gb
Permissible temperature range
For determining the maximum temperature at the instrument, besides the medium tempe-
rature also other influences such as the ambient temperature and, if applicable, the solar
irradiation must be taken into account.
Required temperature class
(ignition temperature)
T6 and T5
T4
Differential pressure gauge models 712.15.160, 732.15.160, optional for hazardous areas
8
Permissible temperature range
at the instrument
-40 ... +60 °C
-40 ... +80 °C