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Radiometer Analytical ISE21Na-9 Sodium Ion Selective Electrode (ISE) (half-cell, screw cap)

Product #: E41M010
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The Radiometer ISE21Na-9 Sodium Ion Selective Electrode (ISE) has a glass body, a non-refillable internal electrolyte, and sodium ion (Na+) specific glass sensor. The ISE21Na-9 is a half-cell ISE and requires an external reference. The Radiometer REF251 (article no. E21M001) or REF451 (article no. E21M005) reference electrode is recommended. This ISE is a screw cap electrode and requires the CL114 cable (part no. A94L114) for compatibilty with Hach sensION+ benchtop meters (or any ion meter with a BNC connection).

  • The right probe for your application.
  • Factory controlled to ensure high quality and premium performance.
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