Van London Company LogoVan London Company, your source for pH, ORP (Oxidation-Reduction Potential), Conductivity, Oxygen, and Ion Selective Electrodes, for Laboratory, Biotechnology and Medical Applications
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Van London Company
10540 Rockley Road
Houston, TX 77099
USA

(Toll Free) 800-522-7920
(voice) 832-456-6641
(fax) 832-456-6642

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Van London Co. (aka Van London pHoenix Co.) maintains strategic partners on an international basis that allows us to provide the perfect total solution / complete package matching our electrodes and pH transmitters with our partners’ meters and instrumentation from the precise lab style to harsh industrial style including Class 1 - Div 1 rating.

Knick Products

Knick is a market leader manufacturing pH Meters, Dissolved Oxygen Meters, Conductivity Meters, Portable Meters, In-Line Retractables, In-Line Fittings, the digital MemoSens® Electrode, “ComFu®” - a digital wireless system between sensor and meter, and a fully automated clean and calibrate in place “UniCal®” system which is a perfect compliment to the VL-PC offering.

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OD8325 Optical Dissolved Oxygen Probe

OD8325

Optical dissolved oxygen probe. 4/20 mA and RS 485 output.

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TU8355 Optical Turbidity and Suspended Solids Probe

High turbidity and suspended solids probe. 4/20 mA and RS 485 output.

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IC 7685 Ion Concentration Controller

Ion Concentration Controller compatible with Ion Selective Sensors of all types for continuous operation.

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CL 3630 Transmitter for Free Chlorine and Dissolved Oxygen

The CL 3630 is a 4/20 mA Isolated Transmitter for Free Chlorine and Dissolved Oxygen Systems

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CL 7685 Potentiostatic Free Chlorine Controller

The CL 7685 is a Potentiostatic controller for Free Chlorine, Chlorine dioxide, and Dissolved ozone.

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SZ 7251 Autoclean Flow Cell

Auto cleaning flow cell designed for the in-line or in-flow continuous measurement of Residual Chlorine or Dissolved Ozone in solution.

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SZ7261 - SZ7263 Flow Cells

This flow cell series is designed for the use with potentiostatic residual chlorine monitors.

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Toroidal Conductivity

This Toroidal Conductivity monitoring system consists of a loop powered transmitter and an electrodeless conductivity sensor in a single package. Temperature compensation is accomplished with an RTD Pt100 built-in to the sensor. Application includes water treatment, cooling tower and water monitoring.

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Buffers

Calibration Buffers, Standards, and Reference Fill Solutions

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Wiring Adapters

Van London Co.'s (aka Van London pHoenix Co.) selection of various wiring adapters and connection gender changing adapters allow you to connect your electrode to virtually any meter or controller.

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pH Simulator Model S250

The Model S250 is a precision pH/ORP Simulator for troubleshooting pH & ORP problems.

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