MEWOI
MEWOI Close/Open Loop Online Earth Resistance Tester Series
MEWOI3800 Series (LC/LD/CA/DA/E/X/T/N)
MEWOI Close Loop Online Earth Resistance Tester — measures earth resistance of grounding systems without disconnection using the close-loop clamp method on live systems.
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Overview
MEWOI's Close Loop Online Earth Resistance Tester measures grounding system resistance while energised using the close-loop clamp principle, eliminating disconnection and de-energisation.
Key Specifications
| Model | Notes |
|---|---|
| MEWOI3800LC | Non-contact split-core online tester |
| MEWOI3800LD | Non-contact split-core online tester/meter |
| MEWOI3800CA | Non-contact online tester/meter |
| MEWOI3800DA | Non-contact online tester/meter |
| MEWOI3800E | Non-contact online tester, RS485 Modbus-RTU |
| MEWOI3800X | Large diameter online detector |
| MEWOI3800T | Stainless steel case, online monitoring detector |
| MEWOI3800N | Built-in online tester |
Features
- Live system earth resistance measurement
- No disconnection required
- Close-loop clamp method
Applications
Live system earth resistance monitoring; Routine grounding testing; Substation and industrial plant earth monitoring