QJ 1503-1988 Wind Speed Relay General Technical Specification

GB/T 2421-1999 Environmental testing for electric and electronic products—Part 1:General and guidance GB/T 2421-2020 Environmental testing—General and guidance GB/T 2421.1-2008 Environmental testing for electric and electronic products—General and guidance GB/T 2421.2-2008 Environmental testing for electric and electronic products—Information for specification writers—Test summaries GB/T 2423.1-2001 Environmental testing for electric and electronic products—Part 2:—Test methods Tests A:Cold GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.10-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Fc and guidance:Vibration (Sinusoidal) GB/T 2423.10-2008 Environmental testing for electric and electronic products—Part 2:Tests methods Test Fc:Vibration(sinusoidal) GB/T 2423.10-2019 Environmental testing—Part 2:Tests methods—Test Fc:Vibration(sinusoidal) GB/T 2423.15-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ga and guidance:Acceleration, steady state GB/T 2423.15-2008 Environmental testing for electric and electronic products—Part 2:Tests methods—Test Ga and guidance: Acceleration,steady GB/T 2423.2-2001 Environmental testing for electric and electronic products—Part 2:Test methods-Tests B:Dry heat GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.22-2002 Environmental testing for electric and electronic products—Part 2:Test methods Test N:Change of temperature GB/T 2423.22-2012 Environmental testing—Part 2:Test methods—Test N:Change of temperature GB/T 2423.28-2005 Environmental testing for electric and electronic products—Part 2:Test methods—Test T:Soldering GB/T 2423.29-1999 Environmental testing for electric and electronic products—Part 2:Test methods—Test U:Robustness of terminations and integral mounting devices GB/T 2423.3-1993 Basic environmental testing procedures for electric and electronic products—Test Ca:Damp heat, steady state GB/T 2423.3-2006 Environmental testing for electric and electronic products—Part 2:Testing method—Test Cab:Damp heat, steady state GB/T 2423.3-2016 Environmental testing—Part 2:Testing method—Test Cab:Damp heat,steady state GB/T 2423.5-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.5-2019 Environmental testing—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.6-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Eb and guidance:Bump GB/T 4728.1-2005 Graphical symbols for electrical diagrams—Part 1:General information GB/T 4728.1-2018 Graphical symbols for electrical diagrams—Part 1:General information GB/T 4728.2-1998 Graphical symbols for diagrams—Part 2 Symbol elements,qualifying symbols and other symbols having general application GB/T 4728.2-2005 Graphical symbols for electrical diagrams—Part 2:Symbol elements,qualifying symbols and other symbols having general application GB/T 4728.2-2018 Graphical symbols for electrical diagrams—Part 2:Symbol elements,qualifying symbols and other symbols having general application GB/T 4728.3-1998 Graphical symbols for diagrams—Part 3 Conductors and connecting devices GB/T 4728.3-2005 Graphical symbols for electrical diagrams—Part 3:Conductors and connecting devices GB/T 4728.3-2018 Graphical symbols for electrical diagrams—Part 3:Conductors and connecting devices GB/T 4728.4-1999 Graphical symbols for diagrams—Part 4:Basic passive components GB/T 4728.4-2005 Graphical symbols for electrical diagrams—Part 4:Basic passive components GB/T 4728.4-2018 Graphical symbols for electrical diagrams—Part 4:Basic passive components GB/T 4728.5-2000 Graphical symbols for diagrams—Part 5:Semiconductors and electron tubes GB/T 4728.5-2005 Graphical symbols for electrical diagrams—Part 5:Semiconductors and electron tubes GB/T 4728.5-2018 Graphical symbols for electrical diagrams—Part 5:Semiconductors and electron tubes GB/T 4728.6-2000 Graphical symbols for diagrams—Part 6:Production and conversion of electrical energy GB/T 4728.6-2008 Graphical symbols for diagrams—Part 6:Production and conversion of electrical energy GB/T 4728.6-2022 Graphical symbols for electrical diagrams—Part 6:Production and conversion of electrical energy GB/T 4728.7-2000 Graphical symbols for diagrams—Part 7:Switchgear,controlgear and protective devices GB/T 4728.7-2008 Graphical symbols for diagrams—Part 7:Switchgear,controlgear and protective devices GB/T 4728.7-2022 Graphical symbols for electrical diagrams—Part 7:Switchgear,controlgear and protective devices GB/T 4728.8-2000 Graphical symbols for diagrams—Part 8:Measuring instruments,lamps and signalling devices GB/T 4728.8-2008 Graphical symbols for diagrams—Part 8:Measuring instruments,lamps and signaling devices GB/T 4728.8-2022 Graphical symbols for electrical diagrams—Part 8:Measuring instruments,lamps and signalling devices GB/T 4728.9-1999 Graphical symbols for diagrams—Part 9:Telecommunications:Switching and peripheral equipment GB/T 4728.9-2008 Graphical symbols for diagrams—Part 9:Telecommunications:Switching and peripheral equipment GB/T 4728.9-2022 Graphical symbols for electrical diagrams—Part 9:Telecommunications:Switching and peripheral equipment GB/T 4728.10-1999 Graphical symbols for diagrams—Part 10:Telecommunications:Transmission GB/T 4728.10-2008 Graphical symbols for diagrams—Part 10:Telecommunications:Transmission GB/T 4728.10-2022 Graphical symbols for electrical diagrams—Part 10:Telecommunications:Transmission GB/T 4728.11-2000 Graphical symbols for diagrams—Part 11:Architectural and topographical installation plans and diagrams GB/T 4728.11-2008 Graphical symbols for diagrams—Part 11:Architectural and topographical installation plans and diagrams GB/T 4728.11-2022 Graphical symbols for electrical diagrams—Part 11:Architectural and topographical GB/T 4728.12-1996 Graphical symbols for electrical diagrams—Part 12:Binary logic elements GB/T 4728.12-2008 Graphical symbols for diagrams—Part 12:Binary logic elements GB/T 4728.12-2022 Graphical symbols for electrical diagrams—Part 12:Binary logic elements GB/T 4728.13-1996 Graphical symbols for electrical diagrams Part 13:Analogue elements GB/T 4728.13-2008 Graphical symbols for diagrams—Part 13:Analogue elements GB/T 4728.13-2022 Graphical symbols for electrical diagrams—Part 13:Analogue elements QJ 1327.20 QJ 1327.21 SJ 42