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Thermo Scientific™ Orion™ Chlorine Electrode, with waterproof BNC connector

Measure total residual chlorine quickly and accurately with these chlorine electrodes.

Supplier:  Thermo Scientific™ 9770BNWP

Catalog No. 13-642-274

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Measure total residual chlorine quickly and accurately with the Thermo Scientific™ Orion™ Chlorine Electrodes. All forms of total residual chlorine are measured.

The method permits rapid analysis to be done at the sampling site, eliminating erroneous low readings due to Cl2 loss.

  • Method requires addition of two reagents to the sample before measurement
  • Electrode has a slope of about +29mV per decade increase in concentration
  • Calibration standards catalog number: 100ppm as Cl2 (977007)
  • Required ISA catalog number: 977010 iodide reagent; 977011 acid reagent


Waterproof BNC
Waterproof BNC connector
ISE Meters
Combination Ion Selective Electrode


Product Certifications


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