| 规格 | EX503 | EX505 | EX510 | EX520 | EX530 |
| 显示计数 | 4,000 count | 4,000 count | 6,000 count | 6,000 count | ✓ | 40,000 count |
| Averaging/True RMS | Averaging | ✓ True RMS | Averaging | ✓ True RMS | ✓ | True RMS |
| 基础精度 | 0.5% | 0.5% | 0.09% | 0.09% | ✓ | 0.06% |
| DC/AC电压 | 1mV to 1000VDC
0.1mV to 1000VAC | 0.1mV to 1000VDC
0.1mV to 1000VAC | 0.1mV to 1000VDC
1mV to 1000VAC | 0.1mV to 1000VDC
1mV to 1000VAC | | 0.01mV to 1000VDC
0.01mV to 1000VAC |
| DC/AC电流 | 0.1μA to 10A | 0.1μA to 10A | 0.1μA to 20A | 0.1μA to 20A | | 0.01μA to 20A |
| 电阻 | 0.1Ωto 40MΩ | 0.1Ωto 40MΩ | 0.1Ωto 60MΩ | 0.1Ωto 60MΩ | | 0.01Ωto 40MΩ |
| 电容 | 0.01nF to 100μF | 0.01nF to 100μF | — | 0.01nF to 1000μF | | 0.001nF to 40mF |
| 频率(electrical) | 5Hz to 1kHz | 5Hz to 1kHz | 10Hz to 400Hz | 10Hz to 400Hz | | 40Hz to 400Hz |
| 频率(electronic) | 0.001Hz to 10 MHz | 0.001Hz to 10 MHz | 0.001Hz to 40MHz | 0.001Hz to 40MHz | | 0.001Hz to 100MHz |
| 温度 | — | ✓ -4 to 1382°F
(-20 to 750°C) | — | ✓ -50 to 1382°F
(-45 to 750°C) | ✓ | -50 to 1382°F
(-45 to 750°C) |
| 占空比 | 0.1 to 99.9% | 0.1 to 99.9% | 0.1 to 99.9% | 0.1 to 99.9% | | 0.1 to 99.90% |
| 二极管/串联 | Yes | Yes | Yes | Yes | | Yes |
| 尺寸 | 7.25x3.25x2.25"(184x83x57mm) | 7.25x3.25x2.25"(184x83x57mm) | 7.25x3.25x2.25"(184x83x57mm) | 7.25x3.25x2.25"(184x83x57mm) | | 7.25x3.25x2.25"(184x83x57mm) |
| 重量 | 12.3oz (349g) | 12.3oz (349g) | 12.3oz (349g) | 12.3oz (349g) | | 12.3oz (349g) |
