| Manufacturer part number (MPN) | 3665127 |
| Brand | Fluke |
| Category | Tools |
| 250 V Range | 50 GΩ |
| 250 V Accuracy (± reading) | Unspecified 5% 20% Unspecified |
| 500 V Range | 100 GΩ |
| 500 V Accuracy (± reading) | Unspecified 5% 20% Unspecified |
| 1000 V Range | 200 GΩ |
| 1000 V Accuracy (± reading) | Unspecified 5% 20% Unspecified |
| 2500 V Range | 500 GΩ |
| 2500 V Accuracy (± reading) | Unspecified 5% 20% Unspecified |
| 5000 V Range | 1 TΩ |
| 5000 V Accuracy (± reading) | Unspecified 5% 20% Unspecified |
| Bar graph range | 0 to 1 TΩ (1550C) - 0 to 2 TΩ (1555) |
| Insulation test voltage accuracy | -0%, +10% at 1 mA load current |
| Induced AC mains current rejection | 2 mA maximum |
| Charging rate for capacitive load | 5 seconds per μF |
| Discharge rate for capacitive load | 1.5 s/μF |
| Leakage current measurement Range | 1 nA to 2 mA |
| Leakage current measurement Accuracy | ±(20% + 2 nA) |
| Capacitance measurement Range | 0.01 μF to 15.00 μF |
| Capacitance measurement Accuracy | ±(15% rdg + 0.03 μF) |
| Timer Range | 0 to 99 minutes |
| Timer Resolution setting | 1 minute |
| Timer Resolution indication | 1 second |
| Live circuit warning Warning range | 30 V to 660 V AC/DC, 50/60 Hz |
| Live circuit warning Voltage accuracy | ±(15% + 2 V) |
| Software specifications | FlukeView Forms™ basic software requires a PC running Windows XP, Windows Vista , Windows 7 or Windows 8. |
| Display | 75 x 105 mm |
| Power | 12 V lead-acid rechargeable battery, Yuasa NP2.8-12 |
| Charger Input (AC) | 85 V to 250 V AC 50/60 Hz 20 VA |
| Dimensions | 269 x 277 x 160 mm (10.6 x 10.9 x 6.3 in) |
| Weight | 3.7 kg (8.2 lb) |
| Temperature (operating) | -20°C to 50°C (-4°F to 122°F) |
| Temperature (storage) | -20°C to 65°C (-4°F to 149°F) |
| Humidity | 80% to 31°C decreasing linearly to 50% at 50°C |
| Altitude | 2000 m |
| Enclosure sealing | IP40 |
| Input overload protection | 1000 V AC |
| Electromagnetic compatibility | EN 61326 |
| Safety compliance | IEC 61010-1: Overvoltage category II |
| Pollution Degree 2 |
| IEC 61010-2-030 | Measurement 600V CAT IV / 1000V CAT III IEC 61557-1, IEC 61557-2 |