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Megger MGFL100 Battery Ground Fault Locator
Locate ground faults on ungrounded DC and AC systems, DC battery systems, and protected IT networks using the Megger MGFL100 Battery Ground Fault Locator. It automatically distinguishes between real fault current and reactive current drawn by stray system capacitance and will issue an audible and visual alarm when a real failing is found. The Megger MGFL100 Battery Ground Fault Locator can identify issues up to 400kΩ on AC/DC systems up to 600V.
Additionally, the Megger MGFL100 Battery Ground Fault Locator offers practical features such as simple save and recall of measurements; fused test leads for ARC flash safety; and it can be powered via AC or the internal battery.
DC Ground Faults
Designed for fast, easy ground fault detection, the Megger MGFL100 Battery Ground Fault Locator issues an alarm when a real ground fault is located. Failings are simple to trace using the lightweight transmitter and receiver; complicated tuning out of noise or capacitance is not required; and the adjustable voltage and current limits are password-protected to prevent accidental alteration resulting in too much current entering the system.
The Megger MGFL100 Battery Ground Fault Locator can identify high-impedance ground faults due to water ingress and ground faults on systems with high leakage currents. It can also measure the following parameters:
- Ground fault resistance
- System capacitance
- Real fault current
- Reactive leakage current
AC Ground Faults
The Megger MGFL100 Battery Ground Fault Locator detects earth faults in IT networks, control lines, or signal lines in railways (for example) by directly coupling to the line via a coupling filter while the system is either online or offline.
The Megger MGFL100 Battery Ground Fault Locator is a safe, simple, versatile instrument for identifying AC/DC ground faults.
Applications
| Ungrounded (DC) Battery Strings | Substations |
| Railway | |
| (AC) IT Networks | Hospitals |
| Railways | |
| Maritime | |
| Industrial Facilities |
Megger MGFL100 Battery Ground Fault Locator Key Features
- Meter for locating ground faults on ungrounded DC and AC systems, DC battery systems, and protected IT networks
- Automatically distinguishes between real fault current and reactive current drawn by stray system capacitance
- Issues an audible and visual alarm when a real fault is found
- Locate faults up to 400kΩ
- Operates on AC/DC systems up to 600V
- Simple save and recall of measurements
- Fused test leads for ARC flash safety
- Can be powered off AC or via the internal battery
- Lightweight transmitter and receiver
- Complicated tuning out of noise or capacitance is not required
- Adjustable voltage and current limits
- Password-protected voltage and current limits
- Identify high-impedance ground faults due to water ingress
- Find ground faults on systems with high leakage current
- Measure ground fault resistance
- Measure system capacitance
- Measure real fault current
- Measure reactive leakage current
- Detect earth faults in IT networks, control lines, or signal lines in railways
- Directly couples to the line via a coupling filter while the system is either online or offline
- Safe, simple, versatile instrument for identifying AC/DC ground faults
What’s Included?
- Megger MGFL100 Battery Ground Fault Locator Transmitter
- Megger MGFL100 Battery Ground Fault Locator Receiver
- Fused Transmitter Leads
- Transmitter AC Adapter
- Transmitter Rechargeable Batteries
- ICLAMP Current Sensor
- Receiver 9V Battery
- Sync Cable
- Transmitter Safety Ground
- Carry Bag
Megger MGFL100 Battery Ground Fault Locator Technical Specifications
| Input Power AC / Adapter | |
| Input | 90 – 264 VAC |
| Output | 18 VDC |
| Battery Type Lithium Ion | |
| 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 |
| Environmental | |
| Operating | 0° C to 50° C (32° F to 122° F) |
| Receiver | -20° C to 60° C (-4° F to +140° F) |
| Relative Humidity | 0-95% non-condensing |
| Altitude | <2000m (600V CAT IV) |
| 2000-4000m (600V CAT III) | |
| Case | IP51 Ruggedized plastic case |
| Display (Transmitter and Receiver) | LCD |
| Safety/EMC/Vibration | Meets the requirements of IEC61010-1, CE, CAT IV @ 600 |
| EMI | CISPR 11 Group 1 class A for emissions. |
| EMI | IEC 61326-1 Table A.1 for immunity. |
| Vibration | MIL-STD-810G |
| Weight / Dimensions | |
| Transmitter Dimensions | 36.1 x 30.5 x 19.5 cm (14.2” x 12.0” x 7.65”) |
| Receiver Dimensions | 22.1 x 10.4 x 5.1 cm (8.7” x 4.1” x 2.0”) |
| Transmitter Weight | 6.00 kg (13.2 lbs). (with batteries installed) |
| Receiver Weight | 1.00 kg (2.2 lbs) (with batteries installed) |
| Receiver | 0.66 lb (0.3 kg) |
| Compliance | IEC61010-1 |
| CE Certified, UKCA Certified | |
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Additional Information
| SKU | MGFL100 |
|---|---|
| Manufacturer Part Code | MGFL100 |
