12
11041781.04 01/2020 EN/DE
Pressure gauge with reed contact model 851-A, for Ex areas
EN
3.8 Ex marking
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.
ATEX
IECEx
II 2G Ex ia IIC T6 Gb
II 2D Ex ia IIIB T85°C Db
3.9 Specifications and temperature limits
Ingress protection per IEC/EN 60529
For information on the ingress protection of the respective instru-
ment, see chapter 9 “Specifications”. For the IECEx assessment,
IP20 ingress protection was assumed.
3. Safety
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