N21 电测模拟指示仪表 标准查询与下载
共找到 224 条与 电测模拟指示仪表 相关的标准，共 15 页
Настоящий стандарт распространяется на фазочувствительные вольтметры, имеющие диапазон рабочих частот от 0,5 до 20000 Гц, и устанавливает ме
State system for ensuring the uniformity of measurements. Phase-sensitive voltmeters. Methods and means for verification
- ICS
- 17.220.20
- CCS
- N21
- 发布
- 1971
- 实施
- 1973-01-01
This specification covers one type of stabilizer containing bariumcadmium in solution with the ether acid anion of the barium-cadmium compound, inert diluents, and auxiliary stabilizing ingredients.
STABILIZER, BARIUM-CADMIUM
- ICS
- CCS
- N21
- 发布
- 1965-05-10
- 实施
0.05 V shunts for electrical measuring instruments. (class 0,5 and 1).
- ICS
- 17.220.20
- CCS
- N21
- 发布
- 1949-06-01
- 实施
- 1949-06-30
Calibration specification for high voltage oscilloscopes for shock measurements
- ICS
- CCS
- N21
- 发布
- 实施
Calibration specification for power frequency peak voltmeter
- ICS
- CCS
- N21
- 发布
- 实施
DTM digital millisecond meter calibration specification
- ICS
- CCS
- N21
- 发布
- 实施
Calibration specification for IBD leakage protector tester
- ICS
- CCS
- N21
- 发布
- 实施
Calibration specification for YDY motor stall torque measuring instrument
- ICS
- CCS
- N21
- 发布
- 实施
Calibration specification for impulse oscillating current interference source
- ICS
- CCS
- N21
- 发布
- 实施
Calibration specification for impulse voltage measurement system
- ICS
- CCS
- N21
- 发布
- 实施
Calibration specification for zinc oxide surge arrester leakage current measuring instrument
- ICS
- CCS
- N21
- 发布
- 实施
Calibration specification for 20kV and below impulse full wave voltage test device
- ICS
- CCS
- N21
- 发布
- 实施
Thermoelectric type high-frequency ampere meter for panel
- ICS
- CCS
- N21
- 发布
- 实施
Insulation resistance testers (magneto generator operated)
- ICS
- CCS
- N21
- 发布
- 实施
Calibration specification for welding power source test device
- ICS
- CCS
- N21
- 发布
- 实施
