Hach-Lange 5740 sc User Manual
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Table of Contents
Section 1 Specifications ........................................................................................................................................ 3
Section 2 General Information ............................................................................................................................... 5
2.1 Safety Information............................................................................................................................................... 5
2.1.1 Use of Hazard Information......................................................................................................................... 5
2.1.2 Precautionary Labels................................................................................................................................. 5
2.2 General Sensor Information................................................................................................................................ 6
2.3 Theory of Operation ........................................................................................................................................... 6
Section 3 Installation .............................................................................................................................................. 7
3.1 Connecting the Sensor to an sc Controller ......................................................................................................... 7
3.1.1 Attaching a sc Sensor with a Quick-connect Fitting .................................................................................. 7
3.2 Installing the Sensor in the Sample Stream........................................................................................................ 8
3.2.1 Sensor Installation Requirements.............................................................................................................. 8
Section 4 Operation ............................................................................................................................................. 11
4.1 Using an sc Controller....................................................................................................................................... 11
4.2 Sensor Setup ................................................................................................................................................... 11
4.3 Sensor Data Logging ........................................................................................................................................ 11
4.4 Pressure and Elevation..................................................................................................................................... 11
4.4.1 Selecting Atmospheric Pressure ............................................................................................................. 12
4.5 SENSOR STATUS Menu.................................................................................................................................. 12
4.6 SENSOR SETUP Menu.................................................................................................................................... 12
4.7 Calibration......................................................................................................................................................... 14
4.7.1 Calibration in Air ...................................................................................................................................... 14
4.7.2 Sample Cal—Calibration by Comparison to a Winkler Titration .............................................................. 15
4.7.3 Sample Cal—Calibration by Comparison to a Hand-held DO Analyzer .................................................. 16
4.7.4 Concurrent Calibration of Two Sensors................................................................................................... 16
Section 5 Maintenance ......................................................................................................................................... 19
5.1 Maintenance Schedule ..................................................................................................................................... 19
5.2 Cleaning the Sensor ......................................................................................................................................... 19
5.2.1 Cleaning the Galvanic Sensor ................................................................................................................. 19
5.3 Preventing the Sensor Membrane from Drying Out.......................................................................................... 19
5.4 Replacing the Sensor Assembly ....................................................................................................................... 20
Section 6 Troubleshooting................................................................................................................................... 21
6.1 Error Codes ...................................................................................................................................................... 21
6.2 Warnings .......................................................................................................................................................... 21
6.3 Sensor Troubleshooting ................................................................................................................................... 22
Section 7 Replacement Parts ............................................................................................................................. 23
7.1 Replacement Items ........................................................................................................................................... 23
7.2 Accessories....................................................................................................................................................... 23
Section 8 Warranty, liability and complaints...................................................................................................... 25
8.1 Compliance Information .................................................................................................................................... 26
Section 9 Adresses ............................................................................................................................................. 27
Appendix A Modbus Register Information ........................................................................................................ 29
Index....................................................................................................................................................................... 31