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KT-220 Moisture Content Sensor

KT-220 is rugged and smart sensor for online measurement of moisture content in oil. Powered by Kongter’s unique technology, it is extremely sensitive for changes of water content in oil. This enables a real-time and continuous monitor for the oil quality. This timely and all-rounded monitor is significant to ensure the reliable performance of your critical equipment.


KT-220-Water Content in Oil Sensor_catalog


  • Extremely sensitive to water contamination in oil
  • Suitable for test of dissolved water, free water and emulsified water
  • High test basis up to 10-15, for accurate measurement in various hash conditions
  • Unique grounding technology that is highly reliable and durable
  • Sophisticated sensor structure with state-of-art design for easy cleaning
  • Fully certified with international standards for most commercial and industrial environments
  • 7/24*365 days reliable reading for oil quality gives you peace of mind for your critical equipment
  • Preventative maintenance for your equipment to avoid further high cost and time due to oil quality
  • Reduces cost for changing oil, also reducing the disposal costs for the waste oil
  • Reducing carbon emission, saving time and money, much more environment-friendly
Measurement Range
Moisture content0-1% (could be customized)
Accuracy 0.02%(typical)
Resolution 0.00%
Temperature -40-120℃
Accuracy 0.3℃(typical)0.5℃(max)
Resolution 0.1℃
Other Parameters  
Output2 channels 4-20mA analog output+RS485 digital output
Work powerDC9V-28V
Work current<6mA+load current
Work pressure <100bar
Work temperature -40-85℃
Oil temperature -40-120℃
Mechanical connectorG1/2” BSP
Electric connectorM8*1, 6pin
Cable 6pin, 2 meters, UL20866 6*22AWG
EMC standardEN 61000-6-4:2007 & EN 61000-6-2:2005
Housing 316 stainless steel
IP ratingIP66
  • Oil field and oil refinery
  • Power plant, transmission & distribution
  • Engineering machinery vehicle
  • Aviation and navigation
  • Railway and road transportation
  • Steel and metallurgy
    Oil tank and oil station
  • Industrial production

Suitable for oils:

  • Lubricant
  • Hydraulic oil
  • Gear box oil
  • Engine oil
  • Fuel oil
  • Insulation oil
  • Turbine oil
  • Different light oil and heavy oils

Per your different application purpose, please mark your order code upon order from Kongter.

Moisture content sensor                   KT-220      
Measurement Moisture content + oil temperatureA     
Signal output4-20mA + RS485 1    
 RS232 2    
 Other  3    
CH 1Temperature -40 … 120°C  B   
CH 2Moisture content 0 … 5%   C  
Moisture content 0 … 10%D
Moisture content 0 … 20%E
Other F
Connector G 1/2” ISO    G 
Cable length 2 meters     4

Example of order code: KT-220-A1BCG4
Measurement: Moisture content + oil temperature                 
Signal output: 4-20mA channel 2 + RS485 channel 1
Analog output 1: temperature -40…120°C
Analog output 2: moisture content 0…5%
Connector: G1/2” ISO                  
Cable length: 2 meters

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