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Scientific Equipment Company

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pH & Electrochemistry

Stay current with your pH measurement and electrochemistry supplies.


Since 1933, SECO has distributed pH and electrochemistry supplies of the highest quality to labs like yours across the Northeast and the rest of the country. With almost 100 years of experience under our belt, we've solidified relationships with trusted manufacturers.
SECO partners with industry leaders like Ohaus to make valuable tools like their AquaSearcher accessible to you at reasonable prices. The AquaSearcher is a top of the line water analysis meter that allows your lab to get accurate, repeatable results with each measurement while offering flexibility in:


  • • Selectable resolutions from 0.1 to 0.001
  • • Conductivity, TDS, salinity, and resistivity measurements (among others)
  • • Built-in item memory for efficient data documentation


While paying attention to every detail of your pH and electrochemistry processes, SECO works to bring your lab the supplies it needs at affordable prices without compromising its reputation. Your lab's pH and electrochemistry procedures usually require a full range of reliable pH and ISE testing supplies. Why get them from SECO?


  • • Our online inventory is always up to date. Take comfort in knowing your supply source is stable and there for you when you need it.
  • • We offer value pricing. Sign in to your account with us so we can build special pricing for your order. Never compromise the quality of your supplies for budget again.
  • • We deliver fast. Eliminate the downtime in your lab. We offer fast and reliable delivery so you can get your hands on the supplies you need, when you need them.
Water-Purification
Chemical Oxygen Demand (COD) Equipment & Supplies

Chemical Oxygen Demand (COD) Equipment & Supplies

Conductivity Meters, Probes & Accessories

Conductivity Meters, Probes & Accessories

Dissolved Oxygen (DO) Meters, Probes & Accessories

Dissolved Oxygen (DO) Meters, Probes & Accessories

Electrochemistry Test Strips, Standards & Solutions

Electrochemistry Test Strips, Standards & Solutions

Multiparameter Meters

Multiparameter Meters

ORP Meters, Electrodes & Accessories

ORP Meters, Electrodes & Accessories

pH/ISE Meters, Electrodes & Accessories

pH/ISE Meters, Electrodes & Accessories

Titration Instruments & Supplies

Titration Instruments & Supplies

Turbidity Meters & Supplies

Turbidity Meters & Supplies

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