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This quickly locates ground faults in ungrounded AC/DC systems, battery systems, and protected IT networks. It accurately distinguishes true fault currents from capacitive leakage, and provides an alarm when the actual fault is detected, helping maintenance teams find and fix issues faster.
This quickly locates ground faults in ungrounded AC/DC systems, battery systems, and protected IT networks. It accurately distinguishes true fault currents from capacitive leakage, and provides an alarm when the actual fault is detected, helping maintenance teams find and fix issues faster.
DC Ground Faults
The MGFL100 measures the ground fault resistance, the system capacitance, the real fault current, and the reactive leakage current. It also locates high impedance ground faults due to water ingress, as well as ground faults on systems with high leakage current. The MGFL100 makes locating the ground fault fast and easy by alarming when the circuit with a real ground fault is located. No complicated tuning out of noise or capacitance is required. Easily trace the fault with the lightweight transmitter and receiver. Set both password protected voltage and current limits to ensure you never put too much current in your system.
AC Ground Faults
Specially protected IT networks, such as those found in hospitals, are designed in such a way that any contact with a voltage carrying line is harmless; in the event of a short to earth, protection reduces current flow to zero.
Important control, signal and supply systems, such as those for railway installations, power plants or other industrial facilities, are designed to be potential-free and are monitored by earth fault indicators in order to ensure safe and uninterrupted operation.
Short-to-ground faults in IT networks, control lines or, for example, signal lines in railways are referred to as earth faults. While a single earth fault will not disrupt the service, a second earth fault carries a high risk of partial or complete installation breakdown. For this reason, any earth fault must be located and repaired as fast as possible. The MGFL100 allows tracing of these faults by directly coupling to the line. This can be done either off line or on line using a coupling filter.
Features
Applications
| AC / Adapter | Input: 90 to 264 VAC Output: 18 VDC |
| Battery Type | Lithium Ion |
| Battery Life | 4 Hours / External Recharge Time < 8 Hours |
| Transmitter Output Voltage and Current | Range: 0 to 50V Range: 0 to 160mA |
| Transmitter Voltage Measurement | Range: 0 to 50V Accuracy: ±5% reading ±2 LSD |
| Transmitter Current Measurement | Range: 0 to 160mA Accuracy: ±5% reading ±2 LSD |
| Transmitter Resistance Measurement | Range: 0 to 400kΩ Accuracy: (±10 + 280 x RC) % ± 1 LSD |
| Transmitter Capacitance Measurement | Range: 0 to 19.99μF Accuracy: ±20% ± (.0027 / R) fd ± 1 LSD |
| Receiver Resistive Current Measurement | Range: 0 to 160 mA Accuracy: ±5% of reading ± 0.01 x IC ± 2 LSD |
| Receiver Capacitive Current Measurement | Range: 0 to 160 mA Accuracy at 5.12Hz: ±5% of reading ± 0.01 x IR ± 2 LSD Accuracy at 50/60Hz: ±5% reading ± 2 LSD |
| Operating Temperature | 32 to 122°F (0 to 50°C) |
| Receiver Temperature | -4 to +140°F (-20 to 60°C) |
| Relative Humidity | 0 to 95% non-condensing |
| Altitude | <2000m (600V CAT IV) 2000 to 4000m (600V CAT III) |
| Case | IP51 Ruggedized plastic case |
| Display (Transmitter and Receiver) | LCD |
| Safety | Meets IEC61010-1, CE, CAT IV at 600 |
| EMI | CISPR 11 Group 1 Class A (emissions) |
| Immunity | IEC 61326-1 Table A.1 |
| Vibration | MIL-STD-810G |
| Compliance | IEC61010-1 |
| Certifications | CE Certified, UKCA Certified |
| Transmitter Dimensions | 14.2 x 12.0 x 7.65" (36.1 x 30.5 x 19.5 cm) |
| Receiver Dimensions | 8.7 x 4.1 x 2.0" (22.1 x 10.4 x 5.1 cm) |
| Transmitter Weight with batteries | 13.2 lbs (6 kg) |
| Receiver Weight with batteries | 2.2 lbs (1 kg) |
| Receiver Weight | 0.66 lbs (0.3 kg) |
Click on a category to view a selection of compatible accessories with the Megger MGFL100 Battery Ground Fault Locator, 600 V.
| AC / Adapter | Input: 90 to 264 VAC Output: 18 VDC |
| Battery Type | Lithium Ion |
| Battery Life | 4 Hours / External Recharge Time < 8 Hours |
| Transmitter Output Voltage and Current | Range: 0 to 50V Range: 0 to 160mA |
| Transmitter Voltage Measurement | Range: 0 to 50V Accuracy: ±5% reading ±2 LSD |
| Transmitter Current Measurement | Range: 0 to 160mA Accuracy: ±5% reading ±2 LSD |
| Transmitter Resistance Measurement | Range: 0 to 400kΩ Accuracy: (±10 + 280 x RC) % ± 1 LSD |
| Transmitter Capacitance Measurement | Range: 0 to 19.99μF Accuracy: ±20% ± (.0027 / R) fd ± 1 LSD |
| Receiver Resistive Current Measurement | Range: 0 to 160 mA Accuracy: ±5% of reading ± 0.01 x IC ± 2 LSD |
| Receiver Capacitive Current Measurement | Range: 0 to 160 mA Accuracy at 5.12Hz: ±5% of reading ± 0.01 x IR ± 2 LSD Accuracy at 50/60Hz: ±5% reading ± 2 LSD |
| Operating Temperature | 32 to 122°F (0 to 50°C) |
| Receiver Temperature | -4 to +140°F (-20 to 60°C) |
| Relative Humidity | 0 to 95% non-condensing |
| Altitude | <2000m (600V CAT IV) 2000 to 4000m (600V CAT III) |
| Case | IP51 Ruggedized plastic case |
| Display (Transmitter and Receiver) | LCD |
| Safety | Meets IEC61010-1, CE, CAT IV at 600 |
| EMI | CISPR 11 Group 1 Class A (emissions) |
| Immunity | IEC 61326-1 Table A.1 |
| Vibration | MIL-STD-810G |
| Compliance | IEC61010-1 |
| Certifications | CE Certified, UKCA Certified |
| Transmitter Dimensions | 14.2 x 12.0 x 7.65" (36.1 x 30.5 x 19.5 cm) |
| Receiver Dimensions | 8.7 x 4.1 x 2.0" (22.1 x 10.4 x 5.1 cm) |
| Transmitter Weight with batteries | 13.2 lbs (6 kg) |
| Receiver Weight with batteries | 2.2 lbs (1 kg) |
| Receiver Weight | 0.66 lbs (0.3 kg) |
Click on a category to view a selection of compatible accessories with the Megger MGFL100 Battery Ground Fault Locator, 600 V.
