Manuals / Hach / Household Appliance / Indoor Furnishings

Hach 900 manual Section

Models: 900

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Section 4

Figure 8

Front Panel

4.2Tips and Techniques for Programming the Instrument

•The instrument beeps each time a key is pressed.

•After the ON button is presses, the display will show one of the following messages: "Program Halted", "Program Running", "Program Complete", or "Ready to Start".

•The program status changes to Program Complete when sampling is complete and there are no samples to be taken or the optional full bottle shut-off is actuated.

•When the program is stopped (an no changes to the program settings were made while it was stopped), pressing the START PROGRAM key will prompt to resume the previously running program (an retain all logged data) or Start From Beginning (and clear all logged data).

•When programming the instrument, pressing the * key causes the display to back up to the previous field.

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Tips and Techniques for Programming the Instrument	8544operations.fm

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Contents

INSTRUMENT MANUAL Sigma 900 Composite SamplerCatalog Number Page Table of Contents Table of ContentsPage Table of Contents Specifications SectionPage 2.1 Instrument Description 2.2 Interface ConnectorsSection 2 General Information 2.2.1 Receptacle Caps2.3 Front Panel 2.3.2 Humidity IndicatorSection 2.3.1 Keypad and DisplaySection 2.4 Safety InformationFigure 2 900 Composite Sampler 2.4.3 Hazardous Locations 2.4.2 Precautionary Labels2.4.1 Use of Hazard Information SectionDANGER 2.4.4 Confined Space EntrySection PELIGRO2.4.5 Definition of Confined Space Section3.1 Unpacking the Instrument Installation3.2 Selecting the Installation Site Figure 3 Placement of the Sampler3.4.1 Vinyl Intake Tubing 3.3 Mounting the Sampler3.4 Attaching the Intake Line 3.4.2Teflon-LinedPolyethylene Intake Line3.6 Choosing Bottles 3.5Setting Up the Intake Line and Strainer3.7 Installing the Full Bottle Shut-Off SectionSection 3.8 Power ConnectionsFigure 5 Full Bottle Shut-off Table 1 12 V dc Connector Pin Assignments 3.9 12 V dc3.10 Auxiliary Connection SectionSection Signal DescriptionWire Color Table 2 Auxiliary Pin AssignmentsSplitter Interface SectionFigure 7 Splitter Interface Page 4.1 Keypad and Key Functions OperationSection Section Section 4.3 Setting the Time and Date 4.4 Bottle Setup ModeSection 4.5 Explanations of Program Messages 4.7.1Manually Operating the Sample Pump 4.6 Data Logging4.7 Manual Mode SectionMode SectionMode Mode4.10 Other Displayed Messages 4.9 Programming the Sampler for Level ControlSection 4.11.1 How to Calculate Pulses/Counts Section 4.11 Flow Proportional OperationSection Section Section 2.Calculate tPage 5.2Pump Tubing Maintenance Maintenance5.1 Cleaning the Sampler 5.3Upgrades, Repairs, General MaintenanceSection 5.7 Re-installingthe Bottom PanelFigure 9 Tightening the Nuts on the Bottom Panel 5.9Circuit Board Identification Section 5.8 Internal Desiccant ModuleFigure 10 Circuit Board Description 5.13 Memory Battery 5.11 Internal Case Humidity Indicator5.12 Internal Case Humidity Indicator 5.10 Motor/Gear BoxTechnical Support Repair ServiceOrdering Information for the U.S.A By Telephone 800 By FaxSection 7 Contact Information for Europe Contact Information for Europe PageLimitations Section 8 Limited WarrantyLimitation of Remedies Page Section 9 Parts and Accessories Page Press NEW PROGRAM key to start here Appendix A Programming Flow ChartProgram Flow Chart NO Set-upComplete - Ready To StartPage Maintenance Appendix B Batteries and ChargersLead-AcidGel Cell Batteries TemperatureTable 3 Lead-AcidBattery Storage Recommendations Appendix BNickel-CadmiumBatteries MaintenanceAppendix C Exploded View Drawings Exploded View 1 ofAppendix C Exploded View 2 of Appendix C Exploded View 3 of Appendix C Exploded View 4 of Appendix C Exploded View 5 of Appendix C Exploded View 6 of