GB/T 777-2008 (English Version) PDF

Standard No.: GB/T 777-2008
Language: Chinese, Available in English version
Release Date: 2008
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 777-2008
Replace: GB/T 777-1985

Scope: This standard specifies the analogue pneumatic signals used in industrial process measurement and control systems for the transmission of information between system components. This standard applies to: pneumatic controllers; pneumatic transmitters and pneumatic information transmission systems. This standard does not apply to analog pneumatic signals intended for internal use only by system components. The purpose of this standard is to establish: the standard operating pressure range for pneumatic information transmission; the standard air supply pressure (with limits specified) for the operation of pneumatic controllers and transmitters, pneumatic information transmission systems, current-pressure converters and similar devices.

GB/T 777-2008 Referenced Document

GB 3100-1993 SI units and recommendations for the use of their multiples and of certain other units
GB/T 17214.2-2005 Operating conditions for industrial-process measurement and control equipment.Part 2:Power

2008 GB/T 777-2008 Analogue pneumatic singal for industrial-process measurement and control instruments
1985 GB/T 777-1985 Analogue pneumatic signal for industrial process measurement and control instruments