Quick-Union Chlorine Sensor
The model 835 free chlorine sensor is accurate, rugged and self-cleaning. The quick-union sensor is recommended for difficult applications which require frequent removal of the sensor for calibration, cleaning or QC checks. The true-union-style threaded fitting locks in the sensor for extra safety and easy removal. The model 835 sensor is a universal version offered in an easy-to-install configuration for insertion or submersion applications.