MOHAMMAD MAHDI Electronics Trading LLC
MarMonix MEG825 Clamp on Ground Tester
Brand:
Marmonix
SKU:
102074
The Marmonix MEG825 Clamp-On Ground Tester combines precision, safety, and user-friendly features, making it an invaluable tool for professionals responsible for maintaining and inspecting electrical grounding systems. Its advanced capabilities and broad application range ensure accurate and efficient measurements, contributing to the overall safety and reliability of electrical installations.
- 0.00Ω ~ 20kΩ Resistance Range
- 0Ωm ~ 9999kΩm Soil Resistivity Range
- 0.000mA ~ 20A Earth Current Range
- Safe Buy
- Fast Delivery
- Original Guarantee
- Online Payment
Description
Overview
The Marmonix MEG825 is an advanced clamp-on ground tester that combines clamp, 2-wire, 3-wire, 4-wire and selective measurement methods in one instrument. It measures earth resistance up to 20 kohm, soil resistivity, earth current up to 20 A and earth voltage up to 600 V, with Bluetooth data transfer and automatic frequency control to reject interference. Supplied as a full kit with test leads and grounding rods, it is built for professional earthing surveys on substations, utilities and large industrial installations.
Key Features
- Multiple methods: clamp, 2-wire, 3-wire, 4-wire and selective
- Earth resistance measurement up to 20 kohm
- Soil resistivity, earth current (to 20 A) and earth voltage (to 600 V)
- Automatic frequency control (128/111/105/94 Hz) rejects interference
- Bluetooth data transfer
- Rechargeable lithium battery (3.7V, 2600 mAh)
- Supplied as a full kit with leads and grounding rods
- Fast earth-resistance test in around 15 seconds
Applications
- Substation and utility earthing surveys
- Soil resistivity and grid design measurement
- Lightning protection system testing
- Industrial and commercial ground verification
- Electrical safety and compliance inspection
What’s in the Box
- Marmonix MEG825 clamp-on ground tester
- Test wires (Red/Black 20 m, Yellow/Green 10 m)
- Simple test wires (1.6 m)
- 4 grounding rods (9 mm x 230 mm)
- Rechargeable battery, carrying case and user manual
Why buy from MME in UAE
MOHAMMAD MAHDI Electronics Trading LLC (MME) is a trusted supplier of Marmonix test and measurement equipment in the UAE. We offer genuine products, competitive pricing, fast local delivery across Dubai, Abu Dhabi and the wider UAE, and knowledgeable after-sales support. 
Download the datasheet
Specifications
Specifications
| PARAMETER | SPECIFICATION |
|---|---|
| Earth resistance range | 0.00 ohm ~ 20 kohm |
| Soil resistivity range | 0 ~ 9999 kohm-m |
| Earth current range | 0.000 mA ~ 20 A |
| Earth voltage range | 0.0 ~ 600.0 V |
| Bluetooth | Yes |
| Measurement methods | Clamp, 2-wire, 3-wire, 4-wire, selective |
| Test frequency | 128 / 111 / 105 / 94 Hz (auto frequency control) |
| Short-circuit test current | AC 10 mA max |
| Open-circuit test voltage | AC 14 V max |
| Electrode distance range | 1 m – 100 m |
| Clamp size | 65 mm x 32 mm |
| Power supply | DC 3.7V 2600 mAh rechargeable lithium battery |
| Measuring rate | Earth resistance ~15 s/test; current & voltage ~2 tests/s |
| Dimensions | 307 x 98 x 56 mm |
| Weight | 1112 g (tester with battery); 5.1 kg (full kit) |
Earth resistance measurement accuracy
| RANGE | ACCURACY | RESOLUTION |
|---|---|---|
| 0.010 – 0.099 ohm | +/-(1%rdg + 0.05 ohm) | 0.001 ohm |
| 0.10 – 0.99 ohm | +/-(1%rdg + 0.05 ohm) | 0.01 ohm |
| 1.0 – 49.9 ohm | +/-(1%rdg + 0.5 ohm) | 0.1 ohm |
| 50.0 – 99.5 ohm | +/-(2%rdg + 0.5 ohm) | 0.5 ohm |
| 100 – 199 ohm | +/-(5%rdg + 1 ohm) | 1 ohm |
| 200 – 395 ohm | +/-(10%rdg + 5 ohm) | 5 ohm |
| 400 – 590 ohm | +/-(15%rdg + 10 ohm) | 10 ohm |
| 600 – 880 ohm | +/-(20%rdg + 20 ohm) | 20 ohm |
| 900 – 1200 ohm | +/-(25%rdg + 30 ohm) | – |
| 1300 – 1600 ohm | +/-(30%rdg + 100 ohm) | 100 ohm |
Datasheet
Datasheet
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