Products & Services

Martek Instruments offers a variety of on-line and portable analyzers for ultrapure water quality analysis. Simply select the appropriate topic for product information.

On-line Systems

• Martek Mark 20 An eight-channel, multi-parameter water quality system used by numerous nuclear plants throughout the U.S.
• Martek Mark 24 A four-channel, multi-parameter water quality system that provides the same flexibility as the Mark 20 but in a smaller package.
• Martek Mark 18 A single-channel water quality analyzer compatible with a variety of sensors.
• Martek Mark 25 Series A series of multi-channel analyzers designed to replace existing equipment without panel modifications. Offers the best value in conductivity, pH, and dissolved oxygen analysis.
• Mark 25 Conductivity A four-channel, conductivity-only system providing outstanding value and versatility.
• Mark 25 pH/ORP A two-channel, pH/ORP monitoring system capable of using sensors from a variety of manufacturers.
• Mark 25 Dissolved Oxygen A four-channel monitoring system capable of using both re-buildable and disposable sensors.
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• Martek Degas System A post-cation degassing system for eliminating interference from dissolved carbon dioxide. Two models available.
• Martek Dissolved Carbon Dioxide System A complete, stand-alone system designed to monitor specific, cation, and degassed cation conductivity.
• Martek Reboiler System A system designed to remove dissolved carbon dioxide in conjunction with other manufacturer’s cation conductivity equipment.
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• Martek ICOD (Ion-Chromatograph Oxidation Device) An ancillary tool designed to provide a reliable and accurate method of detecting low levels (ppb) of organic contaminants.
• Thermo Scientific Product Offerings Sodium, Oxygen Scavenging, Ammonia & Chloride
• Thermo 2111XP Sodium Analyzer
• Thermo 2111LL Sodium Analyzer
• Thermo Scientific Orion 2118XP Oxygen Scavenger Analyzer
• Thermo Scientific Orion 2110XP Ammonia Analyzer
• Thermo Scientific Orion 2117XP Chloride Monitor
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Portable Analyzers

• Martek Mark 22 Calibrator A precision conductivity and pH analyzer in one, small portable analyzer. The standard by which all other validation systems are measured.
• Martek Mark 21 Dissolved Oxygen Analyzer A completely portable analyzer for low-level validation of dissolved oxygen.

Reagent Chemicals

• DS&M Scientific Provides in stock OEM-compatible reagent chemicals and accessories for a variety of analytical process instrumentation.

Technical Support

• FAQ (Frequently Asked Questions) A list of common questions and answers in regards to various analyzers and sensors.