真有效值萬用表EX470特點:
真有效值萬用表EX470同系列其它型號萬用表
真有效值萬用表EX470規(guī)格參數(shù)
參數(shù) | EX410 | EX411 | EX420 | EX430 | EX450 | EX470 |
溫度(IR) | — | — | — | — | ? -58 to 518°F (-50 to 270°C) | ? -58 to 518°F (-50 to 270°C) |
Averaging/True RMS | Averaging | ? True RMS | Averaging | ? True RMS | Averaging | ? True RMS |
基礎(chǔ)精度(VDC) | ±0.5% | ±0.3% | ±0.3% | ±0.3% | ±0.5% | ±0.3% |
AC電壓 | 1mV to 750V | 1mV to 750V | 0.1mV to 750V | 0.1mV to 750V | 1mV to 750V | 0.1mV to 750V |
DC電壓 | 0.1mV to 1000V | 0.1mV to 1000V | 0.1mV to 1000V | 0.1mV to 1000V | 0.1mV to 1000V | 0.1mV to 1000V |
AC電流 | 0.1mA to 20A | 0.1mA to 20A | 0.1μA to 20A | 0.1μA to 20A | 0.1μA to 20A | 0.1μA to 20A |
DC電流 | 0.1μA to 20A | 0.1μA to 20A | 0.1μA to 20A | 0.1μA to 20A | 0.1μA to 20A | 0.1μA to 20A |
電阻 | 0.1Ω to 20MΩ | 0.1Ω to 20MΩ | 0.1Ω to 40MΩ | 0.1Ω to 40MΩ | 0.1Ω to 20MΩ | 0.1Ω to 40MΩ |
電容 | — | — | ? 0.01nF to 100μF | ? 0.01nF to 100μF | — | ? 0.01nF to 100μF |
頻率 | — | — | ? 0.001Hz to 10MHz | ? 0.001Hz to 10MHz | — | ? 0.001Hz to 10MHz |
溫度電偶(Type K) | -4 to 1382°F (-20 to 750°C) | -4 to 1382°F (-20 to 750°C) | -4 to 1382°F (-20 to 750°C) | -4 to 1382°F (-20 to 750°C) | — | -4 to 1382°F (-20 to 750°C) |
占空比 | — | — | ? 0.1% to 99.9% | ? 0.1% to 99.9% | — | 0.1% to 99.9% |
串聯(lián)/ 二極管 | Yes | Yes | Yes | Yes | Yes | Yes |
尺寸 | 7.4x3.2x2"(187x81x50mm) | 7.4x3.2x2"(187x81x50mm) | 7.4x3.2x2"(187x81x50mm) | 7.4x3.2x2"(187x81x50mm) | 7.4x3.2x2"(187x81x50mm) | 7.4x3.2x2"(187x81x50mm) |
重量 | 0.75lbs (342g) | 0.75lbs (342g) | 0.75lbs (342g) | 0.75lbs (342g) | 0.75lbs (342g) | 0.75lbs (342g) |
保修 | 1 year | 1 year | 1 year | ? 3 years | ? 3 years | ? 3 years |