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Tìm thấy 3168 kết quả.

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241

BS EN IEC 62037-3:2021-TC

Tracked Changes. Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in coaxial connectors.

Tracked Changes. Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in coaxial connectors.

242

BS EN IEC 62037-5:2021

Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in filters.

Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in filters.

243

BS EN IEC 62037-5:2021-TC

Tracked Changes. Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in filters.

Tracked Changes. Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in filters.

244

BS EN IEC 62135-2:2021

Resistance welding equipment. Electromagnetic compatibility (EMC) requirements.

Resistance welding equipment. Electromagnetic compatibility (EMC) requirements.

245

BS EN IEC 62135-2:2021-TC

Tracked Changes. Resistance welding equipment. Electromagnetic compatibility (EMC) requirements.

Tracked Changes. Resistance welding equipment. Electromagnetic compatibility (EMC) requirements.

246

BS EN IEC 62271-200:2021-TC

Tracked Changes. High-voltage switchgear and controlgear. AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV.

Tracked Changes. High-voltage switchgear and controlgear. AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV.

247

BS EN IEC 62282-7-2:2021-TC

Tracked Changes. Fuel cell technologies. Test methods. Single cell and stack performance tests for solid oxide fuel cells.

Tracked Changes. Fuel cell technologies. Test methods. Single cell and stack performance tests for solid oxide fuel cells.

248

BS EN IEC 62321-2:2021-TC

Tracked Changes. Determination of certain substances in electrotechnical products. Disassembly, disjointment and mechanical sample preparation.

Tracked Changes. Determination of certain substances in electrotechnical products. Disassembly, disjointment and mechanical sample preparation.

249

BS EN IEC 62484:2021-TC

Tracked Changes. Radiation protection instrumentation. Spectrometric radiation portal monitors (SRPMs) used for the detection and identification of illicit trafficking of radioactive material.

Tracked Changes. Radiation protection instrumentation. Spectrometric radiation portal monitors (SRPMs) used for the detection and identification of illicit trafficking of radioactive material.

250

BS EN IEC 62563-2:2021

Medical electrical equipment. Medical image display systems. Acceptance and constancy tests for medical image displays.

Medical electrical equipment. Medical image display systems. Acceptance and constancy tests for medical image displays.

251

BS EN IEC 62841-4-5:2021/A11:2021

Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety. Particular requirements for grass shears.

Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety. Particular requirements for grass shears.

252

BS EN IEC 62868-1:2021-TC

Tracked Changes. Organic light emitting diode (OLED) Light sources for general lighting. Safety. General requirements and tests.

Tracked Changes. Organic light emitting diode (OLED) Light sources for general lighting. Safety. General requirements and tests.

253

BS EN IEC 62920:2017/A1:2021

Photovoltaic power generating systems. EMC requirements and test methods for power conversion equipment.

Photovoltaic power generating systems. EMC requirements and test methods for power conversion equipment.

254

BS EN IEC 63013:2019/A1:2021

LED packages. Long-term luminous and radiant flux maintenance projection.

LED packages. Long-term luminous and radiant flux maintenance projection.

255

BS EN IEC 63041-1:2021-TC

Tracked Changes. Piezoelectric sensors. Generic specifications.

Tracked Changes. Piezoelectric sensors. Generic specifications.

256

BS EN IEC 63121:2021

Radiation protection instrumentation. Vehicle-mounted mobile systems for the detection of illicit trafficking of radioactive materials.

Radiation protection instrumentation. Vehicle-mounted mobile systems for the detection of illicit trafficking of radioactive materials.

257

BS EN IEC 63246-1:2021

Configurable car infotainment services (CCIS). General.

Configurable car infotainment services (CCIS). General.

258

BS EN ISO 10675-2:2021-TC

Tracked Changes. Non-destructive testing of welds. Acceptance levels for radiographic testing. Aluminium and its alloys.

Tracked Changes. Non-destructive testing of welds. Acceptance levels for radiographic testing. Aluminium and its alloys.

259

BS EN ISO 15614-13:2021-TC

Tracked Changes. Specification and qualification of welding procedures for metallic materials. Welding procedure test. Upset (resistance butt) and flash welding.

Tracked Changes. Specification and qualification of welding procedures for metallic materials. Welding procedure test. Upset (resistance butt) and flash welding.

260

BS EN ISO 15874-3:2013/A2:2021

Plastics piping systems for hot and cold water installations. Polypropylene (PP). Fittings.

Plastics piping systems for hot and cold water installations. Polypropylene (PP). Fittings.

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