Riken Keiki GD-A80 Series, Руководство по эксплуатации

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2 Important Notices on Safety 2-4. Safety Information
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2-4. Safety Information
Necessary information for explosion proof construction of Model GD-A80-70.
This product is diffusion gas detector which is called type GD-A80-70, and used in connection with
indication alarm.
<ATEX/IECEx Specifications>
Technical Data
(Protection Method) Flameproof enclosure “d”
(Group) II
(Category) 2G
(Type of Protection and Marking code) Ex db II CT4
(Equipment Protection Level) Gb
(Ambient Temperature)* -40 ℃ to +70 ℃
(Electrical Data)
Electrical rating : DC3.0V 430mA or DC5.0V 200mA
(Applicable Standard) EN IEC 60079-0 : 2018 ， EN 60079-1 : 2014
IEC60079-0 : 2017, IEC 60079-1 : 2014-06
*The ambient temperature range that can maintain explosion protection, and is not operating temperature
range that ensures product performance. For the operating temperature, see “9.Product Specifications”.
Specific conditions of “X”-mark:
Regarding ATEX specification, the measuring function according to Annex II paragraph 1.5.5 of the
Directive is not covered by this EU-type examination.
It shall comply with the requirements from the relevant European harmonized standards which provide
guidance on the performance of gas detection equipment and safety devices.
The flameproof joints not intended to be repaired.
Fasteners used for enclosure are from stainless steel property class A2-70.
Cable gland may not provide sufficient clamping. User shall provide additional clamping against the cable
pulling and twisting.
Installation
Cable
Indicator etc.
Gas Detector (GD ‐ A80)
Hazardous Location
Nonhazardous Location
Installation Diagram
Terminals
for sensor
Sensor
Gas Detector
(GD-A80-70)
Installation Diagram
Hazardous Location
Nonhazardous Location
Indicator etc.