Hach-lange ORBISPHERE A1100 Family User Manual

Document Number DGA1100-MAN/EORBISPHERE A1100 Family ofOxygen Electrochemical SensorsUSER MANUALMay 2011, Revision E

8General Information1.6 Restriction of hazardous substances (RoHS)The European Union RoHS Directive and subsequent regulations introduced in member st

9Section 2 Technical SpecificationsSpecifications are subject to change without notice.2.1 Sensor weight and dimensionsThe sensor weight is approximat

10Technical Specifications2.3 Sensor configurations for standard applicationsNote: Non-ATEX sensors are delivered with two protection caps as standard

11Technical Specifications2.4 Sensor membrane specifications2.4.1 Oxygen sensors (Table 1)Table 2 Membrane specifications - Oxygen sensors (1)2956A-A

12Technical Specifications2.4.2 Oxygen sensors (Table 2)Table 3 Membrane specifications - Oxygen sensors (2)2935A-A 29521A-A 2995A-ARecommended appli

13Section 3 Introduction3.1 What you have received3.1.1 A1100 electrochemical sensorThe sensor may be delivered separately or as part of an ORBISPHERE

14Introduction3.1.3 Sensor recharge kitA recharge kit (as illustrated in Figure 4 below) should have been ordered with the sensor as this will be requ

15IntroductionThe cotton washers provide additional protection against the formation of deposits and residue on the center electrode and anode, which

16Introduction3.3 Basic principle of operationIn its simplest form, the electrochemical sensor consists of one center electrode (cathode) and one coun

17Section 4 Installation4.1 Sensor preparationYour A1100 electrochemical sensor has been thoroughly cleaned and tested at the factory before shipment.

18Installation3. Hold the sensor with the membrane facing down to avoid spilling any electrolyte, then carefully unscrew the shipment cartridge. Drain

19InstallationNote: During this step, it is very important to ensure your finger does not come into contact with the cathode (golden surface) as it co

20Installation12. Hold the container steady between thumb and forefinger of one hand. 13. Lower the sensor into the container until the top of the ano

21Installation18. Rinse the sensor under a tap for about 5 seconds to remove any excess electrolyte, then gently wipe with a soft tissue to ensure all

22Installation4.2 Sensor installation4.2.1 Sensor positioning information Unless the sensor is part of the ORBISPHERE equipment that includes it, the

23Installation4.2.2 Sensor insertionNote: Check that the small O-ring at the bottom of the flow chamber is present during removal and installation of

24Installation4.3 Mounting accessories4.3.1 External pressure sensorThe system can be fitted with an external pressure sensor. This enables a measurem

25InstallationRecommendation:To facilitate sensor removal and installation, we suggest installing the socket in a location where the liquid can be dra

26Installation4.3.4 The 33095 sensor housingThe ORBISPHERE 33095 sensor housing is also available for use with the A1100 sensor but requires that the

27InstallationThe connection diagram below is a recommended installation that allows for measuring and calibrating without having to disconnect a line

1Table of ContentsSection 1 General Information...

28Installation4.3.7 Multi-parameter flow chamberNote: Suitable only for gaseous media. The ORBISPHERE 32002.xxx multi parameter flow chamber can accom

29Section 5 Maintenance and Troubleshooting5.1 Maintenance5.1.1 Maintenance scheduleThe following table shows the recommended schedule for membrane re

30Maintenance and Troubleshooting5.1.3 Membrane replacement and sensor head cleaningA sensor recharge kit is required as it contains all the required

31Maintenance and Troubleshooting3. Hold the sensor with the membrane facing down to avoid spilling any electrolyte, then carefully unscrew the old ca

32Maintenance and Troubleshooting10. Clean by rotating the cleaning tool over the sensor head for a few seconds, in a clockwise direction only. 11. Re

33Maintenance and Troubleshooting16. Screw the polishing tool (DG33303) onto the top of the sensor.17. Polish the electrodes by moving the sensor face

34Maintenance and Troubleshooting20. Remove the plastic base from the bottom of the sensor and connect the sensor to the sensor cleaning and regenerat

35Maintenance and Troubleshooting26. On the sensor cleaning and regeneration center, turn the knob to the Cathode position and press the TIMER switch.

36Maintenance and TroubleshootingNote: During this step, it is very important to ensure your finger does not come into contact with the cathode (golde

37Maintenance and Troubleshooting36. Hold the container steady between thumb and forefinger of one hand. 37. Lower the sensor into the container until

2Table of Contents

38Maintenance and Troubleshooting42. Rinse the sensor under a tap for about 5 seconds to remove any excess electrolyte, then gently wipe with a soft t

39Maintenance and Troubleshooting48. Push the protection cap firmly into place, making sure one of the four slots in the protection cap fits over the

40Maintenance and Troubleshooting5.2 TroubleshootingTable 7 TroubleshootingProblem Probable cause Possible solutionSensor won't calibrate, even

41Section 6 Accessories and Spare Parts6.1 Accessories6.2 Flow chambers and installation devicesTable 8 Sensor accessoriesPart N° Description28117 Pr

42Accessories and Spare Parts6.3 Sensor spare parts6.4 Recharge kits for A1100 and A110E sensorsTable 10 Sensor spare partsPart N° DescriptionA1100-S

43Accessories and Spare Parts6.5 Other spare partsTable 12 Other spare partsPart N° Description28093.0 EPDM O-rings for pressure sensor 28117.X. 18.7

44Accessories and Spare Parts

3Section 1 General Information1.1 DisclaimerThe information in this manual has been carefully checked and is believed to be accurate. However, Hach La

4General Information1.3.3 Precautionary labelsRead all labels and tags attached to the sensor. Personal injury or damage to the sensor could occur if

5General Information1.4 Product recycling informationENGLISHElectrical equipment marked with this symbol may not be disposed of in European public dis

6General InformationSVENSKAElektronikutrustning som är märkt med denna symbol kanske inte kan lämnas in på europeiska offentliga sopstationer efter 20

7General Information1.5 Product disposalNote: The following only applies to European customers.Hach Lange is committed to ensuring that the risk of an