4.1.2 Precautionary labelsRead all labels and tags attached to the instrument. Personal injury or damage to the instrumentcould occur if not observed. A symbol on the instrument is referenced in the manual with aprecautionary statement.This is the safety alert symbol. Obey all safety messages that follow this symbol to avoid potentialinjury. If on the instrument, refer to the instruction manual for operation or safety information.This symbol indicates the need for protective eye wear.This symbol indicates the need for protective hand wear.Products marked with this symbol indicates that the product contains toxic or hazardous substancesor elements. The number inside the symbol indicates the environmental protection use period inyears.Electrical equipment marked with this symbol may not be disposed of in European domestic orpublic disposal systems. Return old or end-of-life equipment to the manufacturer for disposal at nocharge to the user.4.2 Product componentsMake sure that all components have been received. Refer to Figure 1. If any items are missing ordamaged, contact the manufacturer or a sales representative immediately.Figure 1 Product components1 Sensor 3 Sensor recharge kit2 Protection caps4.2.1 Electrochemical sensorThe sensor may be delivered separately or as part of an ORBISPHERE system, depending on theindividual order.The sensor will be delivered fitted with a plastic screw-on storage cap to protect the sensor head.This is held in place with a plastic collar.English 7