Analytical Sensors and Instruments (ASI) Ltd., Sugar Land, TX, offers a free-chlorine sensor for end users and OEMS. The sensor has a removable and replaceable membrane cap to extend the sensor's life and for easy maintenance, a measuring range from 0.1–10 ppm, a temperature sensor for auto-temperature correction, and an onboard circuit to allow the sensor to connect to any analytical mV meter. The sensor can also be converted to measure total-chlorine by switching the membrane and electrolyte. The device can be used to monitor chlorine in swimming pool water and for water and wastewater applications.
Analytical Sensors and Instruments (ASI) Ltd.