Instructions For The Installer; Marking; Use; Installation And Commissioning In Areas Subject To Explosion Hazards - RMG EC 900 Operating Instructions Manual

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Instructions for the installer

Marking

Type: EC 911 / EC 912
II 2 G Ex ia IIC
CE 0158 TÜV 08 ATEX 554643
Ta = -25°C ..... +55°C
For data, see the EC type examination certifi-
cate (see annex).
Applicable in Ex zone 1 or 2

Use

The EC 911, EC 912, EC 921 and EC 922 devices from the EC 900 series are apparatus for areas
subject to explosion hazards. The volume corrector is used in measuring and control engineering
for measuring pressure, temperature and volume pulses. The applicable laws or regulations con-
cerning the use or intended use of the device have to be complied with.
The manual of the volume corrector includes the electrical data (EC 911 / EC 912: from the
EC type examination certificate) and shall be deemed part of the operating instructions.
EC 921 / EC 922: The device may only be opened when the power supply is switched off or if there
is no danger of ignition.

Installation and commissioning in areas subject to explosion hazards

Installation and commissioning are to be carried out by specially trained and qualified staff only.
The device has been designed in accordance with the IP 65 degree of protection as per EN 60529.
External heating up due to solar radiation or other sources of heat must be avoided.
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Type: EC 921 / EC 922
II 3 G Ex nA[nL] IIB T4
Ta = -25°C ..... +55°C
Applicable in Ex zone 2
SAFETY INSTRUCTIONS
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