国产精品久久久在线观看_亚洲免费观看视频网站_国产盗摄视频一区二区三区_久久久国产一级 - 日本在线观看一区

歡迎來到寰標網! 客服QQ:772084082 加入會員
已選條件: 電和磁量值的測量
每頁顯示20 條,共找到 3560 條結果 <1/178>
標準編號 標準名稱 發布部門 發布日期 狀態
ASTM D4935-18 Standard Test Method for Measuring the Electromagnetic Shielding Effectiveness of Planar Materials American S.. 2020-08-31 現行
IEC 60060:2020 SER 高壓測試技術(2020合集) Internatio.. 2020-01-25 現行
DR AS 62053.23:2018 Electricity metering equipment (a.c.) - Particular requirements Static meters for reactive energy (classes 2 and 3) (IEC 62053-23:2016 (ED.1.1) MOD Standards .. 2018-05-29 現行
DR AS 62052.21:2018 Electricity metering equipment (AC) - General requirements, tests and test conditions Tariff and load control equipment (IEC 62052-21:2016 (Ed.1.1) MOD) Standards .. 2018-05-29 現行
DR AS 62053.24:2018 Electricity metering equipment (a.c.) - Particular requirements Static meters for reactive energy at fundamental frequency (classes 0.5 degrees S, 1 degrees S and 1) (IEC 62053-24:2014+AMD.1:2016 CSV (MOD) Standards .. 2018-05-29 現行
DR AS 62052.11:2018 Electricity metering equipment (AC) - General requirements, tests and test conditions Metering equipment (IEC 62052-11:2016 (ED.1.1) MOD) Standards .. 2018-05-29 現行
DR AS 62053.21:2018 Electricity metering equipment (a.c.) - Particular requirements Static meters for active energy (classes 1 and 2) (IEC 62053-21:2016 (ED.1.1) MOD) Standards .. 2018-05-29 現行
DR AS 62053.22-2018 Electricity metering equipment (AC) - Particular requirements Static meters for active energy (classes 0.2 S and 0.5 S) (IEC 62053-22:2016 (ED.1.1) MOD) Standards .. 2018-05-29 現行
ASTM A927/A927M-18 Standard Test Method for Alternating-Current Magnetic Properties of Toroidal Core Specimens Using the Voltmeter-Ammeter-Wattmeter Method American S.. 2018-05-01 現行
I.S. EN IEC 60051-5:2018 Direct Acting Indicating Analogue Electrical Measuring Instruments and Their Accessories Part 5: Special Requirements for Phase Meters, Power Factor Meters and Synchroscopes National S.. 2018-04-03 現行
I.S. EN IEC 60051-7:2018 Direct Acting Indicating Analogue Electrical Measuring Instruments and Their Accessories Part 7: Special Requirements for Multi-function Instruments National S.. 2018-04-03 現行
I.S. EN IEC 60051-8:2018 Direct Acting Indicating Analogue Electrical Measuring Instruments and Their Accessories Part 8: Special Requirements for Accessories National S.. 2018-04-03 現行
I.S. EN IEC 60051-6:2018 Direct Acting Indicating Analogue Electrical Measuring Instruments and Their Accessories Part 6: Special Requirements for Ohmmeters (impedance Meters) and Conductance Meters National S.. 2018-04-03 現行
I.S. EN IEC 61869-10:2018 Instrument Transformers Part 10: Additional Requirements for Low-power Passive Current Transformers National S.. 2018-04-03 現行
I.S. EN IEC 61869-11:2018 Instrument Transformers Part 11: Additional Requirements for Low-power Passive Voltage Transformers National S.. 2018-04-03 現行
ASTM F1207M-12(2018) Standard Specification for Electrical Insulation Monitors for Monitoring Ground Resistance in Active Electrical Systems [Metric] American S.. 2018-04-01 現行
IEC 62055-41 Ed. 3.0 Electricity metering - Payment systems Part 41: Standard transfer specification (STS) - Application layer protocol for one-way token carrier systems Internatio.. 2018-03-28 現行
IEC 60404-2 Amd.1 Ed. 3.0 Cor.1 Corrigendum 1 - Amendment 1 - Magnetic materials Part 2: Methods of measurement of magnetic properties of electrical steel strip and sheet by means of an Epstein frame Internatio.. 2018-03-22 現行
IEC 62052-11 Amd.1 Ed. 1.0 Cor.1 Corrigendum 1 - Amendment 1 - Electricity metering equipment (A.C.) - General requirements, tests and test conditions Part 11: Metering equipment Internatio.. 2018-03-19 現行
IEC 62053-22 Amd.1 Ed. 1.0 Cor.1 Corrigendum 1 - Amendment 1 - Electricity metering equipment (A.C.) - Particular requirements Part 22: Static meters for active energy (classes 0,2 S and 0,5 S) Internatio.. 2018-03-19 現行
cacheName: