标准检索

Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-7: Particular requirements - Test configurations, operational conditions, test levels and performance criteria for devices with Ethernet-APL interfaces

Electrical equipment for measurement, control and laboratory use - EMC requirements – Part 3-1: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) – General industrial applications

Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 3-2: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) - Industrial applications with specified electromagnetic environment

Sound system equipment - Methods of measuring and specifying the performance of sounders (electroacoustic transducers for tone production)

Protective devices against diagnostic medical X-radiation - Part 1: Determination of attenuation properties of materials

Protective devices against diagnostic medical X-radiation - Part 2: Translucent protective plates

Protective devices against diagnostic medical X-radiation - Part 3: Protective clothing, eyewear and protective patient shields

Soft ferrite material classification

Soft ferrite material classification

Marking on ferrite cores

Distribution automation using distribution line carrier systems - Part 3-1: Mains signalling requirements - Frequency bands and output levels

Distribution automation using distribution line carrier systems - Part 3: Mains signalling requirements - Section 21: MV phase-to-phase isolated capacitive coupling device

Distribution automation using distribution line carrier systems - Part 4: Data communication protocols - Section 1: Reference model of the communication system

Distribution automation using distribution line carrier systems - Part 4: Data communication protocols - Section 32: Data link layer - Logical link control (LLC)

Distribution automation using distribution line carrier systems - Part 4-33: Data communication protocols - Data link layer - Connection oriented protocol

Distribution automation using distribution line carrier systems - Part 4: Data communication protocols - Section 41: Application protocol - Distribution line message specification

Distribution automation using distribution line carrier systems - Part 4: Data communication protocols - Section 42: Application protocols - Application layer

Distribution automation using distribution line carrier systems - Part 4-61: Data communication protocols - Network layer - Connectionless protocol

Distribution automation using distribution line carrier systems - Part 6: A-XDR encoding rule

Nuclear instrumentation - Bore-hole apparatus for X-ray fluorescence analysis