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KT‑220 Online Oil Moisture Sensor

The KT-220 is a rugged and intelligent sensor for online measurement of moisture content in oil. Using Kongter’s advanced sensing technology, it provides exceptional sensitivity to dissolved, free, and emulsified water, ensuring real-time continuous monitoring of oil quality. Its robust design, high accuracy, and reliability make it a critical tool for maintaining transformer and industrial equipment performance, enabling predictive maintenance and reducing costly downtime.

Key Features

  • Extremely sensitive to moisture contamination in oil

  • Monitors dissolved water, free water, and emulsified water

  • High test basis up to 10⁻¹⁵ for superior accuracy under harsh conditions

  • Durable and reliable grounding technology

  • Easy-to-clean sensor structure with robust design

  • Internationally certified for use in commercial and industrial environments

  • 24/7 real-time monitoring ensures continuous asset protection

  • Prevents costly oil changes and disposal costs

  • Reduces carbon emissions and environmental impact

Technical Specifications

Measurement Range

  • Moisture content: 0–1% (customizable)

  • Accuracy: ±0.02% (typical)

  • Resolution: 0.00%

Temperature Measurement

  • Range: –40°C to +120°C

  • Accuracy: ±0.3°C (typical), ±0.5°C (max)

  • Resolution: 0.1°C

Standards & Protection

  • EMC compliance: EN 61000-6-4:2007 & EN 61000-6-2:2005

  • Housing: 316 stainless steel

  • Protection: IP66

Electrical Parameters

  • Outputs: 2 channels 4–20 mA analog + RS485 digital

  • Power supply: DC 9–28 V

  • Current: <6 mA + load current

Operating Conditions

  • Pressure: <100 bar

  • Ambient temperature: –40°C to +85°C

  • Oil temperature: –40°C to +120°C

Mechanical Details

  • Connector: G1/2” BSP

  • Electrical connector: M8 × 1, 6-pin

  • Cable: 2 m, UL20866 6 × 22AWG

  • Weight: 250 g

Application

  • Oil field and refinery operations

  • Power generation, transmission & distribution

  • Engineering machinery and vehicles

  • Aviation and navigation

  • Railway and road transportation

  • Steel and metallurgy industries

  • Oil tanks, depots, and pumping stations

  • General industrial production

Suitable for oils:

  • Lubricant oils

  • Hydraulic oils

  • Gear oils

  • Engine oils

  • Fuel oils

  • Insulation oils

  • Turbine oils

  • Light and heavy oils

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