Megger InsuLogix G2 Transformer Monitor – C2H2, H2 & Moisture Online Analyser

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The Megger InsuLogix G2 is an on-line transformer monitor that measures acetylene (from 0.5 ppm), hydrogen, and moisture in oil, featuring IP66 rated enclosure, programmable relays, multiple communication options (Modbus, IEC 61850, DNP3), and a local web-UI—giving you early, actionable detection of both incipient and critical faults.

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SKU: 125493 Category:
Brand:Megger

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Description

InsuLogix G2 acetylene, hydrogen, and moisture monitor overview

Protect your transformers with advanced gas and moisture detection before faults escalate. The Megger InsuLogix G2 continuously monitors transformer oil to detect acetylene (C2H2), hydrogen (H2), and moisture—key indicators of incipient and critical internal failure. Designed for reliability, safety, and ease of integration, G2 delivers actionable diagnostics via onboard web server UI, solid-state relays, optional analog outputs, and support for multiple communication protocols.

Ideal for utilities, industrial substations, and OEMs, this monitor helps prevent costly unplanned outages through early detection of hot-spots, arcing, or oil degradation.

Megger InsuLogix G2 Key Features

  • Acetylene detection down to 0.5 ppm, enabling early identification of arcing or high-energy faults.
  • Hydrogen range detects incipient faults and gradual degradation.
  • Moisture monitoring in oil to catch dielectric changes before they affect performance.
  • Communication via Modbus RTU/TCP, DNP3, IEC 61850 to integrate with SCADA / asset monitoring systems.
  • 12 programmable solid-state relays (forms C) for alarm signalling and automatic action.
  • Optional analog output module with 4 outputs (4-20 mA) for remote monitoring of gas / moisture levels.
  • Rugged environmental rating: IP66 (NEMA 4X), operates in extreme temperature range and wide input-power options (AC or DC).
  • Web-based user interface hosted locally in the unit for easy setup, logging, and dashboard view.
Specifications

Specifications

Megger InsuLogix G2 Specifications

Specification Details
Model InsuLogix G2
Gases Measured Acetylene (C2H2), Hydrogen (H2)
Moisture Measurement Dissolved moisture in oil / Oil-relative humidity (0–95 % RH) or % saturation as per device spec
Low Detection Limit Acetylene: ~0.5 ppm; Hydrogen: ~25 ppm :contentReference[oaicite:8]{index=8}
Accuracy Acetylene: ±0.5 ppm or ±15 % of reading (whichever larger)
Hydrogen: ±25 ppm or ±15 % of reading
Moisture: ±2 % RH or ±4 ppm (depending on scale) :contentReference[oaicite:9]{index=9}
Relays 12 programmable solid-state relays (Form C) for alarm & status outputs :contentReference[oaicite:10]{index=10}
Analog Outputs (Optional) 4 outputs (4-20 mA) for C2H2, H2, moisture, etc. :contentReference[oaicite:11]{index=11}
Communication Protocols Modbus RTU & TCP; optional DNP3, IEC 61850
RS-485 / Ethernet ports provided :contentReference[oaicite:12]{index=12}
Input Power AC: 90-264 V AC (47-63 Hz)
DC: 127-370 V DC
Power (~120 W for DC input)
Fused input protection (3 A) :contentReference[oaicite:13]{index=13}
Operating Temperature −40 °C to +65 °C :contentReference[oaicite:14]{index=14}
Storage Temperature −40 °C to +85 °C :contentReference[oaicite:15]{index=15}
Ingress Protection / Enclosure Rating IP66 (NEMA 4X), designed for outdoor substation use; Pollution Degree 4 :contentReference[oaicite:16]{index=16}
Dimensions & Weight 227 × 229 × 333 mm; Approx. 13.5 kg :contentReference[oaicite:17]{index=17}
Alarm Display / Interface LED status indicator; LCD display for key gas readings; Web-server UI locally hosted; Dashboard & event logs :contentReference[oaicite:18]{index=18}
Installation Connection 1.5” MNPT valve connection on transformer; union/nipple supplied; sample/purge valve provided :contentReference[oaicite:19]{index=19}
Altitude & Environmental Operates up to 2000 m; relative humidity 5-95 % non-condensing; weather resistance for oil inlet connection and enclosure :contentReference[oaicite:20]{index=20}
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