Fʀᴇᴇ Cʜʟᴏʀɪɴᴇ Aɴᴀʟʏᴢᴇʀ / Cʜʟᴏʀɪɴᴇ Cᴏɴᴛʀᴏʟʟᴇʀ ✅ To be used in a variety of municipal and industrial applications requiring the measurement and control of residual chlorine levels. For more detail ....