The RolaChem 9 series incorporates a range of proportional dosing pH, ORP and combined control units. New pH and ORP sensors have integral amplifiers and high level shielding to virtually eliminate interference. Easy to calibrate and easy to operate with large 4 line LCD display to guide installers and users through set up and operation. Integral peristaltic pumps from 1 RPM to 100 RPM for all size swimming pools and ABS case. Software easily adjusts dosing rates for bather load and weather conditions.
