| Manufacturer part number (MPN) | 2840309 |
| Brand | Fluke |
| Category | Tools |
| Current ranges | 30 A and 300 A AC rms or ±45 A and 450 A DC |
| Measuring ranges | ±45 A and 450 A DC |
| AC rms or DC | ±45 A and 450 A |
| Inrush current | 600A AC rms MAX |
| Output sensitivity | 10 mV/A (30 A) |
| Accuracy (at +23°C) (30 A range) | ±1% of reading ±50 mA |
| Accuracy (at +23°C) (300 A range) | ±1% of reading ±300 mA |
| Bandwidth to meet accuracy specification | 1 kHz |
| Phase shift below 1 kHz | < 2 degrees |
| Resolution | ±50 mA (30 A) |
| Load impedance | > 10 k Ohms and ≤100 pF |
| Conductor position sensitivity | ±1.5% relative to centre reading |
| Frequency range (small signal) | DC to 20 kHz (-3 dB) |
| Temperature coefficient | ±0.1% of reading / °C |
| Power supply | 9 V Alkaline, MN1604/PP3 |
| Battery life | 30 Hours, low battery indicator |
| Working voltage (see Safety Standards section) | 300 V AC rms or DC |
| Maximum conductor size | 19 mm diameter |
| Output connection | Safety BNC connector |
| Output zero | Manual adjust via thumbwheel |
| Cable length | 2 metres |
| Operating temperature range | -10 to +50°C |
| Storage temperature range (with battery removed) | -20 to +85°C |
| Operating humidity | 15% to 85% (non-condensing) |
| Weight | 250 g |
| Safety | IEC 61010-1, Pollution Degree 2 |
| EMC Compatibility | IEC 61326-1: Portable Electromagnetic Environment |