The plug-and-play Kuntze Instruments, Inc. Krypton KCL2 employs a patented ASR self-cleaning electrode technology that reduces maintenance and calibration demand. The analyzer replaces the need for reagents or membrane refurbishment; creates no waste stream; has no moving parts and offers two PI controllers via a four to 20 mA output and two relays. Also available for chlorine dioxide, ozone and hydrogen peroxide. http://www.kuntzeinstruments.com, info@kuntzeinstruments.com