SIAM DUA-1, Руководство по эксплуатации

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Automatic well sounder “DUA-1”
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The certificate applies to “DU-1” well sounders (hereinafter
referred to as the device) designed for operation at the wellhead in oil and
gas fields.
The device is explosion-proof designed (intrinsically safe circuit
type of protection) in accordance with the requirements of GOST 31610.0-
2014 (IEC 60079-0:2011), GOST 31610.11-2014 (IEC 60079-11.), GOST
31610:2011), and have
1Ex ib IIB T3 Gb Х explosion proof mark.
“DUA-1” automatic well sounder is designed for indoor and outdoor
installation in hazardous areas where atmospheric explosives of IIA, IIB
categories and T1, T2, T3 groups can form according to GOST R IEC
60079-20-1-2011 in the operating temperature range from -40 ºC to +50
ºC. The device design is comply with the assigned explosion proof mark,
with the requirements of GOST IEC 60079-14-2013 and other regulatory
documents governing the use of electrical equipment in hazardous areas.
The operating manual contains information about the design,
principle of operation and specifications of the device as well as
instructions necessary for proper operation, maintenance, transportation
and storage of the device.
Observe the requirements of the Federal norms and regulations in
the field of industrial safety "Safety rules in oil and gas industry" as well as
this manual, when operating, maintaining and repairing the device.
The device may only be operated by specially trained personnel
who have studied the operating documentation for the device, received the
relevant safety instructions and permission to work.