| Model | 3900 | 3901 | |
| AC current | Range | 99.99A / 999.9A | 99.99A / 999.9A |
| Accuracy |
±2%±20dgts (50, 60Hz) ±4%±20dgts (40 to 400Hz) |
±2%±20dgts (50, 60Hz) ±4%±20dgts (40 to 400Hz) |
|
| AC voltage | Range | 999.9V | 999.9mV to 999.9V |
| Accuracy |
±1%±20dgts (50, 60Hz) ±2%±20dgts (40 to 400Hz) |
±1%±10dgts (50, 60Hz) ±2%±10dgts (40 to 400Hz) |
|
| DC voltage | Range | 99.99V / 999.9V | 999.9mV to 999.9V |
| Accuracy | ±1%±10dgts | ±1%±10dgts | |
| Resistance | Range | 999.9Ω/99.99KΩ | 999.9Ω to 999.9KΩ |
| Accuracy | ±1%±10dgts | ±1%±10dgts | |
| Diode | Range | 3.000V | 3.000V |
| Accuracy | ±1%±10dgt | ±1%±20dgt | |
| Frequency | Range | 0.5Hz to 400.0Hz | 40Hz to 1KHz |
| Accuracy | ±0.5%rdg±2dgts | ±0.5%rdg±2dgts | |
| mA (AC+DC) | Range | – | 99.99mA/999.9mA |
| Accuracy | – | ±1%±10dgts | |
| Continuity | ≤40Ω±30Ω | <40Ω | |
| 3f Phase sequence indication | yes | yes | |
| ACA Inrush current | yes | yes | |
| Data hold | yes | yes | |
| Auto hold | yes | yes | |
| Peak hold | yes | yes | |
| Max/Min | yes | yes | |
| Memory/Read | yes | yes | |
| Accessories | Instruction Manual, Battery, Carrying case & Test Lead | ||
| Size | HxWxD (mm) | 236x80x39 | 236x80x39 |
| Max wire diameter | 30mm | 30mm | |
| Weight | 326g | 326g | |
| Category | CAT III 1000V , CAT IV 600V | CAT III 1000V , CAT IV 600V | |
