Hach ORBISPHERE A1100 User Manual

13Section 3 Introduction3.1 What you have received3.1.1 A1100 electrochemical sensorThe sensor may be delivered separately or as part of an ORBISPHERE system, depending onthe individual order.The sensor (as illustrated in Figure 2 above) will be delivered fitted with a plastic screw-onstorage cap to protect the sensor head. This is held in place with a plastic collar.A plastic screw-on base is also provided to protect the connection socket, and which alsoprovides a suitable stand for the sensor during maintenance procedures, and when not in use.3.1.2 Protection capsNon-ATEX sensors (A1100)Two protection caps will be delivered with each sensor, one without a grille (part number33051-S0) and one with a grille (part number 33051-SP).A third protection cap (part number 33051-SG) is also available as an option and improves themaintenance interval for beer or soft drinks process applications.A fourth protection cap (part number 33051-ST) is delivered for the 6610 TPA application.The protection caps are illustrated below:ATEX sensors (A110E)Only one protection cap will be delivered with each sensor (part number 33051-SG or33051-H0).Figure 2 A1100 sensor with storage cap and baseFigure 3 Protection caps