About
usWe are based in Stevenage Old Town Hertfordshire. Sensys Ltd started trading in 1999. Personnel at Sensys have a combined experience in process technology and monitoring of over sixty years. Sensys are main UK agents for Walchem and Sensorex who are world leaders in process control technology. We are also the main UK supplier for Iwaki chemical dosing pumps. In support of all our products we can offer advice on system design and chemical compatibility/ dosing. Have comfort in the knowledge that behind every purchase there is a company ready to offer advice and full support.

Walchem, An Iwaki America Incorporated Company has become a leading manufacturer and supplier of on-line analytical instruments and Iwaki electronic metering pumps over the last 25 years. Walchem's World Headquarters, in Holliston, Massachusetts, USA was completed in February, 1989. At 30,000 square feet, they quickly outgrew it, expanding to over 52,000 square feet in 1996. Walchem electrodes are designed to work with the Walchem range of cooling tower, pH/ORP, conductivity, disinfection and boiler controllers.

Iwaki Co. Ltd has 50 years of pump design engineering excellence. Based in Tokyo, Iwaki (founded in 1956) has a world wide distribution network and three factories/ technical centres, with an authorised capital of 800 million yen.

Sensorex was founded in 1972, to manufacture quality sensors for water applications. Today they are a market leader and manufacture more than 2,000 different sensor packages. Sensorex moved into their modern and efficient manufacturing facility in August of 1999. This specially designed plant has more than 22,000 sq.ft (2,050 sq m) and incorporates the latest technological innovations for efficient electrode manufacturing. It incorporates both an in-house chemical production laboratory and a research and development laboratory. Sensorex electrodes can be retrofitted to all standard controllers from a wide range of manufacturers'.

Based at Grapevine in Texas USA H2trOnics Inc is a leading supplier of water treatment feed and control systems based on Walchem and Iwaki control and pumping technology H2trOnics has developed a revolutionary web-based data management software application called eServiceReport. eServiceReport allows water treatment control companies to manage multiple customer specific accounts providing online service reports and full data logging.
