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Posted: Friday 3rd February 2006

Multi-parameter electrodes extend “stick style” meter line

Extech Instruments, a major supplier of test and measurement equipment for the industrial marketplace, announces the availability of its waterproof ExStik® II Series of “stick style” water quality meters. The series includes three multi-parameter models, EC400, EC500 and DO600, for testing pH, Conductivity, TDS, Salinity, Temperature and Dissolved Oxygen.

The addition of the ExStik® II Series of multi-parameter meters builds on our popular ExStik I Series of interchangeable flat surface electrodes for testing pH, ORP and Chlorine. This second, patent pending, series features the world’s first Dissolved Oxygen stick meter and the world’s first combination pH/Conductivity stick meter utilizing flat surface pH electrode technology.

  • EC400 – Measures Conductivity/TDS/Salinity and Temperature
  • EC500 - Measures pH/Conductivity/TDS/Salinity and Temperature
  • DO600 –Measures Dissolved Oxygen and Temperature

The entire ExStik®family is ruggedly designed for lab and demanding field applications, including water/wastewater and environmental monitoring, aquaculture and aquariums, process and HVAC cooling towers, industrial and commercial boilers, and reverse osmosis systems. All ExStik®meters have built-in memory to record and recall 15 to 25 labeled readings and an analog bar graph to supplement the digital readings. All meters are buoyant in water and waterproof to IEC 60529 IP67 standards.

All ExStik meters are available in kit form and contain all of the standards, buffers and accessories needed for optimal use.

For the name of a local distributor log onto, send us an e-mail message at or call us at 1-781-890-7440.

About Extech

Extech Instruments Corporation, located outside Boston, MA USA, was founded in 1971 and has been committed to bringing its customers the best service, the best support and the best-value in test equipment. It is a leading supplier of multimeters, infrared thermometers, electrical testers, clamp meters, anemometers, light meters, water quality instruments, timers and clocks, sound meters, tachometers and power supplies. For more information, please visit or contact:

Julia Vockrodt

VP Communications

Tel: 0208 964 2060


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