AP200 seriesRugged pH/Redox (ORP) sensor systems with rapid temperature response for critical processes 1 Description2 IM/AP200 Rev. S1 Description1.1 IntroductionThis manual describes the installation and maintenance of theAP200 Series Process pH and Redox (ORP) Electrode HolderSystems.1.2 Systems1.2.1 Typical Systems1.2.2 AP120 Series Electrodes Used with HoldersSee Section 6, page 15 for full details.Note. The candidate list according to Article 59 of the Regulation (EC) No 1907/2006 on the Registration, Evaluation,Authorisation and Restriction of chemicals (REACH) continues to expand. Article 33 places a legal obligation on an articleproducer to inform recipients of the information requirements when a candidate list substance is contained within an article atpercentage of greater than 0.1% W/W.The candidate list substance, acrylamide, a substance of very high concern, (CAS 79-06-1) is totally enclosed within the gelcomponent of the product and should pose no risk to the user during installation, use and decommissioning providing the probeis handled in accordance with the instructions defined in the user manual. AP201 Insertion system AP202 In-line, flow-through system AP203 Dip (immersion) systemAP121/11000 General process 0 to 14 pH, 0 to 100°CAP121/21000 High temperature 0 to 14 pH, 0 to 130°CAP121/31000 Low temperature 0 to 10 pH, –5 to +50°CAP121/60000 Redox (ORP) platinum 0 to 100°CFig. 1.1 System SchematicsIn-line System – AP202Dip (Immersion) System – AP203Insertion System – AP201