| 1. | Calibration of a multi - range dc voltmeter with not more than 5 ranges 校正一台不超过五个量程的多量程直流电压表。 |
| 2. | Digital electronic d . c . voltmeters and d . c . electronic analogue - to - digital converters 数字电子直流电压表和直流电子模拟数转换器 |
| 3. | Model j0408 dc voltmeter is suitable for students to measure the voltage in a dc ciruit in laboratory J0408型直流电压表供学校学生在实验中测量直流电路中的电压用。 |
| 4. | Method for specifying the performance of digital electronic d . c . voltmeters and d . c . electronic analogue - to - digital convertors 数字电子直流电压表与直流电子模拟数字直流转换器性能规定方法 |
| 5. | Dc voltmeter : led signal screen digital display ; outline dimension 9648 mm ; no communication ; no transmission output ; no alarm output ; switch power supply ; input voltage 0300v ; display range 0300v 直流电压表: led单屏数字显示;外形尺寸9648mm无通讯无变送输出;无报警输出;开关电源供电输入电压0300v ;显示量程0300v 。 |
| 6. | Dc voltmeters with measuring ranges from 1 kv to 30 kv will be calibrated by comparing their readings with the known values of applied high voltages . low - voltage voltmeters , and detachable high - voltage probes for range extension may be calibrated together as a single high - voltage voltmeter 对于量程由1kv至30kv的直流电压表,本所将使用已知数量的高压标准,测试比较该电压表的显示读数,予以校正。 |
| 7. | Single phase ac voltmeter : light column display single screen digital display ; outline dimension 80160mm ; ? rs - 485 standard serial communication ; transmission output ma ; high , lower limit alarm function ; switch power supply ; input voltage 0100v ; display range 0100v . wp - leaa - t282hlt 5a 5a 直流电压表:光柱显示单屏数字显示;外形尺寸80160mm ; rs - 485标准串行通讯;变送输出420 ma ;上下限报警功能开关电源供电;输入电压0100v ;显示量程01000v 。 |