reference poisoning.
MODEL 396: A LARGE SELF CLEANING OPTIONAL FLAT OR STANDARD HEMI glass bulb electrode in a stainless steel body, completely sealed by EPDM to eliminate process intrusion. • MODEL 396P: A RUGGED THREADED POLYPROPYLENE BODY for maximum chemical resistance and completely sealed to eliminate process intrusion. • MODEL 396R: A TITANIUM RETRACTABLE BODY for insertion depths up to 27 inches and easy sensor removal under pressure without process shutdown (ball valve kit shown can be purchased separately).