| Manufacturer part number (MPN) | 4948724 |
| Brand | Fluke |
| Category | Tools |
| Color LCD display | 4.3-inch active matrix color TFT, 480 pixels x 272 pixels, resistive touch panel |
| Warranty 3540 FC and built-in power supply | 2 years (battery not included) |
| Warranty Accessories | 1 year |
| Calibration cycle | 2 years |
| Dimensions (WxHxD 3540 FC | 19.8 x 16.7 x 5.5 cm (7.8 x 6.6 x 2.2 in) |
| Dimensions (WxHxD Detachable power supply | 13.0 x 13.0 x 4.5 cm (5.1 x 5.1 x 1.8 in) |
| Dimensions (WxHxD 3540 FC with power supply attached | 19.8 cmx 16.7 x 9 cm (7.8 x 6.6 x 4.0 in) |
| Weight 3540 FC | 1.1kg (2.5 lb) |
| Weight Tamper protection | Kensington lock |
| Operating temperature | 0 °C to +45 °C (+32 °F to +113 °F) |
| Storage temperature | <20 °C to +60 °C (-4 °C to +140 °F), with battery: -20 °C to +50 °C (-4 °F to +122 °F) |
| Operating humidity | <10 °C (<50 °F) non condensing |
| Operating altitude | 2000 m (6,500 ft) (up to 4,000 m derate to 1000 V CAT II/600 V CAT III/300 V CAT IV) |
| Storage altitude | 12,000 m (39,000 ft) |
| IP Rating | IEC 60529:IP50, in connected condition with protection caps in place |
| Vibration | MIL-T-28800E, Type 3, Class III, Style B |
| IEC 61010-1 IEC mains input | Overvoltage Category II, Pollution Degree 2 |
| IEC 61010-1 Voltage terminals | Overvoltage Category IV, Pollution Degree 2 |
| International | IEC 61326-1: Industrial |
| Korea (KCC) | Class A Equipment (Industrial Broadcasting & Communication Equipment) |
| USA (FCC) | 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103. |
| Frequency range | 2412 MHz to 2462 MHz |
| Output power | <100 mW |
| Wiring configurations | 1-Φ, 1-Φ IT, Split-phase, 3-Φ wye, 3-Φ wye IT, 3-Φ wye balanced, 3-Φ delta, 3-Φ Aron/Blondel (2-element delta), 3-Φ delta open leg, 3-Φ high leg delta, 3-Φ delta balanced. Currents only (load studies) |
| Number of inputs | 4 (3 phases and neutral) |
| Maximum input voltage | 1000 Vrms (1700 Vpk) phase to neutral |
| Input impedance | 10 MΩ each phase to neutral |
| Bandwidth | 42.5 Hz to 3.5 kHz |
| Scaling | 1:1, variable |
| Current sensor output voltage Clamp | 500 mVrms / 50 mVrms; CF 2.8 |
| Current sensor output voltage Rogowski coil | 150 mVrms/15 mVrms at 50 Hz, 180 mVrms/18 mVrms at 60 Hz; CF 4; all at nominal probe range |
| Bandwidth (-3 dB) | 42.5 Hz to 3.5 kHz |
| Resolution | 16-bit synchronous sampling |
| Sampling frequency | 10.24 kHz at 50/60Hz, synchronized to mains frequency |
| Input signal frequency | Mains 50/60 Hz (42.5 to 69 Hz) |
| Data storage | Internal flash memory (not user replaceable) |
| Memory size | Typical 1 offline logging session of 1 week with 1 second intervals. The number of possible logging sessions and logging period depends on user requirements. |
| Measured parameters | Voltage, current, frequency, THD V, THD A, power, power factor, fundamental power, DPF |
| Averaging interval | 1 s |
| Total harmonic distortion | THD for voltage and current is calculated on 25 harmonics |
| Voltage | Full cycle RMS (20 ms at 50 Hz, 16.7 ms at 60 HZ) |
| Current | Half cycle RMS (10 ms at 50 Hz, 8.3 ms at 60 Hz) |
| Power | 200 ms |
| USB-A | Firmware updates, max. supply current: 120 mA |
| Supported modes | Direct connection and connection to infrastructure |
| Security | WPA2-AES with pre-shared key |
| Voltage range | Nominal 100 V to 500 V (85 V min to 550 V max) using safety plug input |
| Mains power | Nominal 100 V to 240 V (85 V min to 265 V max) using IEC 60320 C7 input |
| Power consumption | Maximum 50 VA (max. 15 VA when powered using IEC 60320 input) |
| Standby power | <0.3 W only when powered using IEC 60320 input |
| Efficiency | ≥68.2 % (in accordance with energy efficiency regulations) |
| Mains frequency | 50/60 Hz ±15 % |
| Battery power | Li-ion 3.7 V, 9.25 Wh, customer-replaceable |
| On-battery runtime | Up to 4 hr (up to 5.5 hr in energy saving mode) |
| Charging time | <6 hr |
