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Product Detail

Leak Type Level Switch KEL-2


There is no moving part.
Most suitable for detecting sand, aggregate, lime, and so on.

  • It can be used for almost all substances including construction aggregates, gravels, and crushed stones, as long as they contain moisture to some extent.
  • The sensitivity can be set easily.
  • It is very easy to install and handle the meter. No deep knowledge and technique are needed.
  • As the current that flows measured substances is several dozen μA, heat and sparks are not produced from the electrode, which ensures the safe operation.
  • Powder
  • Granules
  • Lump

Operating Principles

A measured substance that contains moisture to some extent is constantly made contact with the electrode. When the resistance between the electrode and the metal tank wall is reduced, the change of the resistance is detected and the output contact is switched. When the measured substance passes over, the output contact is restored to the initial state.

Standard Specification
Model KEL-2
Power Source 105/210VAC ±10% 50/60Hz
Output Contact SPDTx1
Contact Capacity AC250V 5A、DC30V 5A
Temperature 0~+50℃(No Condensation or Freez required)
Detecting Sensitivity Max.about 10MΩ – Min.about 30kΩ
Sensitivity Setting 16 Steps adjustable between Max. and Min.
Product LineupWhen it's clicked, you can see details.

In addition to the above, various specifications are available.
For more information, see respective catalogs or contact us by phone or mail.

  • KEL-2Insulator・Electrobe-holding・amplifier


Applicable to any site if the measuring material (sand for building material, gravel, crushed stones etc.) contains some moisture.
Standard model does not include detection probe. We provide it as option.
Easy sensitivity setting by turning the dial.

  • リーク式レベルスイッチ_製品カタログ

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