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Title Standard No. Implemented On
Zener diode safety barrier—Part 2:Methods of evaluating the performanceGB/T 30241.2-20132014-7-1
Zener diode safety barrier—Part 1:General technical specificationGB/T 30241.1-20132014-7-1
Design code for communication of water resources and hydropower projectsSL 517-20132013-11-8
Distributor for use in industrial-process measure and control systems—Part 1:General technical specificationGB/T 28472.1-20122012-11-1
Distributor for use in industrial-process measure and control systems—Part 2:Methods of evaluating the performanceGB/T 28472.2-20122012-11-1
Safety barrier for use in industrial-process measure and control systems—Part 1:General technical specificationGB/T 28471.1-20122012-11-1
Distributor for use in industrial-process measure and control systems—Part 1:General technical specificationGB/T 28471.2-20122012-11-1
Transmitters for use in industrial-process control systems - Part 1: Methods of evaluating the performanceGB/T 17614.1-20082009-1-1
Transmitters for use industrial-process control systems - Part 2: Methods for inspection and routine testing GB/T 17614.2-20082009-1-1
QDZ process pneumatic control system Pressure transmittersJB/T 8214.7-19992000-1-1
DDZ-Ⅲ series process electronic control system Temperature transmitterJB/T 9267.2-19992000-1-1
QDZ-III series process pneumatic control system. Type seriesJB/T 6252.6-19992000-1-1
QDZ process pneumatic control system ControllerJB/T 8214.1-19992000-1-1
DDZ-II series process electronic control system. Temperature transmitterJB/T 8216.3-19992000-1-1
Methods of evaluating the performance of two - and mukti - step controllers for use in industrial - process control systemsJB/T 8220-19992000-1-1
QDZ process pneumatic control system RelayJB/T 8214.2-19992000-1-1
QDZ process pneumatic control system Differential pressure transmittersJB/T 8214.6-19992000-1-1
QDZ process pneumatic control system Indicating-recording controllerJB/T 8214.4-19992000-1-1
QDZ process pneumatic control system Setting unitJB/T 8214.3-19992000-1-1
DDZ-Ⅱ series process electronic control system ControllerJB/T 8216.2-19992000-1-1
DDZ-Ⅲ series process pneumatic control system Indicating controllerJB/T 8215-19992000-1-1
QDZ process pneumatic control system Computing unitJB/T 8214.5-19992000-1-1
Transmitters for use in industrial-process control systems Part 2:Guidance for inspection and routine testingGB/T 17614.2-19981999-7-1
Transmitters for use in industrial-process control systems Part 1: Methods of evaluating the performanceGB/T 17614.1-19981999-7-1
Evaluation Method of Local Control DeviceJB/T 7388-19941995-5-1
DDZ-III series process electronic control system. Gurrent converterGB/T 14059-19931993-7-1
DDZ-III series process electronic control system Q antomatic/manual stationGB/T 14068-19931993-7-1
DDZ-III series process electronic control system. Integrating instrumentGB/T 14062-19931993-7-1
DDZ-III series process electronic control system. Signal limiterGB/T 14067-19931993-7-1
DDZ-III series process electronic control system. Signal selectorGB/T 14066-19931993-7-1
DDZ-III series process electronic control system Impedance converterGB/T 14060-19931993-7-1
DDZ-IIIseries process electronic control system--Ladicating instrumentGB/T 13637-19921993-4-1
Micro Control Regulator General Technical Conditions?JB/T 5538-19911992-7-1
DDZ-Ⅲseries process electronic control system Computing unitGB 11005.1-19891990-1-1
QDZ process pneumatic control system--Indicating-recording controllerGB 11003.4-19891990-1-1
Methods of evaluating the performance of moving coil indicating controllers for use in industrial-process measurement and control systemsGB 4708-19841985-10-1
XCT type moving coil indicating controllers for use in industrial-process measurement and control systemsGB 4709-19841985-10-1
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