| Item | DME1700 | DME1701 | ||
|---|---|---|---|---|
| Common specifications | AC measurement mode | With anti-aliasing filter AC-coupled digital sampling | ||
| Crest factor (except sine waves) | Crest factor selection | The larger of the following crest factors: • Up to 3:1 of full scale input • Max. 10:1 | ||
| Measurement range selection in auto range | Optimal measurement range for the crest factor up to 10:1 | |||
| Applying the accuracy characteristics | [Crest factor] × [fundamental frequency] ≤ 3 kHz (applied to all crest factors) | |||
| Volt-Hertz product | 8 × 107 V*Hz or below | |||
| Common mode rejection ratio (If LO terminal lead imbalance is 1 kΩ) | >>70 dB | |||
| AC filter | Measuring input signals with frequencies greater than the set AC filter bandwidth | |||
| Effect of AC filter bandwidth on aperture time | • 2 ms at 200 Hz • 20 ms at 20 Hz • 200 ms at 3 Hz | |||
| Input impedance (if parallel connection < 100 pF) | 1.1 MΩ ± 2 % | |||
| Measurement range additional error | If the input is below 50 kHz and is 1 % to 5 % of the measurement range | Adding 0.1 % of the measurement range to the accuracy | ||
| If the input is 50 kHz to 100 kHz | Adding 0.13 % of the measurement range to the accuracy | |||
| AC voltage measurement (ACV) | Over-range | For 100 mV to 100 V ranges | 20 % over-range allowed | |
| For 750 V range | No over-range | |||
| Maximum DC voltage | All ACV measurement ranges | 400 V | ||
| AC current measurement (ACI) | Over-range | For 10 mA to 1 A ranges | 20 % over-range allowed | |
| For 3 A range | No over-range | |||
