FISCHER PRO-LINE DE90 - Product and Functional Description; Delivery Scope; Intended Use; Explosion Hazard Area Classification

FISCHER Mess- und Regeltechnik GmbH Product and functional description | 2
BA_EN_DE90 9
2 Product and functional description
2.1 Delivery scope
• Differential pressure transmitter DE90 PRO-LINE
®
version as stated on the type plate with an integrated assembly rail. Attach-
ment screws are not included in the delivery.
• Operating Manual
2.2 Intended use
The DE90 is a differential pressure transmitter with additional switch outputs. It
is suitable for measuring overpressure, under-pressure and differential pressure
in neutral gaseous media.
The device may only be used for the purpose stipulated by the manufacturer.
The manufacturer will not be liable for damage arising from incorrect or im-
proper use.
2.2.1 Explosion hazard area classification
2.2.1.1 Gas explosion protection
Devices with the order code DE90 ## ## ## # 0 # 000 R #### are suitable as
'Electrical equipment for use in potentially explosive areas', Zone 2 - Gases and
vapours.
Designation as per Directive 2014/34/EU:
II 3G Ex nA IIC T4 Gc
2.2.1.2 Dust explosion protection
Devices with the order code DE90 ## ## ## # 0 # 000 R ####
are suitable as 'Electrical equipment for use in areas with combustible dust',
Zone 22 - dry dusts.
Designation as per Directive 2014/34/EU:
II 3D Ex tc IIIB T125°C Dc
-10°C ≤ T ≤ 60°C
amb