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작성자 관리자 작성일21-07-16 21:49 조회243회 댓글0건

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2903

Test Cell for Liquid Insulants for 2830/2831

The precision test cell type 2903 measures the dielectric properties of liquid insulants such as insulating oil. It determines the capacitance, tangent delta (dissipation factor) & relative permittivity (dielectric constant) as well as the specific resistivity. The test cell has been designed as a cylindrical capacitor with a shielded measuring electrode (guard ring capacitor) & thus avoids stray capacitances which might influence the test results. 

The test cell's design is in accordance with the specifications of IEC, ISO, and ASTM standards (USA).
The complete test cell type 2903 consists of the actual test cell type 2903a as well as the heating pot 2903h.  

* Features

 · Guarded measurement electrodes

 · Temperature range up to 150 ⁰C (externally controlled by measuring bridge)

 · Vacuum-sealed design

 · Embedded PT100 temperature sensors

 · Embedded analog thermometer

 · Durable stainless-steel electrodes and precise mechanical design

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