Hach-Lange 1720E Low Range Turbidimeter - Manual (Page 5)

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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
2.1.3 General Product Information ..................................................................................................................... 6
2.2 Theory of Operation ............................................................................................................................................ 7
Section 3 Installation .............................................................................................................................................. 9
3.1 Connecting/Wiring the Sensor to the sc100 Controller ....................................................................................... 9
3.1.1 Attaching a sc Sensor with a Quick-connect Fitting .................................................................................. 9
3.1.2 Hard-wiring a sc Sensor to the sc100 Controller ..................................................................................... 10
3.2 Connecting the Sensor to the sc1000 Controller .............................................................................................. 11
3.2.1 Connecting the Sensor using the Quick-connect Fittings........................................................................ 11
3.3 Turbidimeter Installation Information................................................................................................................. 11
3.3.1 Mounting the Turbidimeter Body ............................................................................................................. 13
3.3.2 Installing the Head Assembly .................................................................................................................. 13
3.4 Installing a Sample Line.................................................................................................................................... 13
3.5 Sample Connections......................................................................................................................................... 14
Section 4 System Startup..................................................................................................................................... 15
4.1 General Operation ............................................................................................................................................ 15
4.2 Starting Sample Flow ........................................................................................................................................ 15
Section 5 Operation .............................................................................................................................................. 17
5.1 Sensor Setup .................................................................................................................................................... 17
5.2 Sensor Data Logging ........................................................................................................................................ 17
5.3 Sensor Diagnostics Menu ................................................................................................................................. 17
5.4 Sensor Setup Menu .......................................................................................................................................... 18
5.5 Sensor Calibration and Verification................................................................................................................... 18
5.5.1 User-prepared Calibration ....................................................................................................................... 19
5.5.2 Calibration with StablCal
® .......................................................................................................................................................20
5.5.3 Instrument Verification............................................................................................................................. 21
5.5.3.1 Dry Verification............................................................................................................................... 21
5.5.3.2 Wet Verification .............................................................................................................................. 21
5.6 Calibration and Verification History ................................................................................................................... 22
5.7 Offset Feature ................................................................................................................................................... 22
5.7.1 Setting the Offset..................................................................................................................................... 23
Section 6 Maintenance ......................................................................................................................................... 25
6.1 Maintenance Schedule ..................................................................................................................................... 25
6.2 Removing a Sensor from the System ............................................................................................................... 25
6.3 Reinstalling a Sensor on the System ................................................................................................................ 25
6.4 Cleaning............................................................................................................................................................ 26
6.4.1 Cleaning the Photocell Window............................................................................................................... 26
6.4.2 Cleaning the Turbidimeter Body and Bubble Trap .................................................................................. 26
6.4.3 Replacing the Lamp Assembly ................................................................................................................ 27
Section 7 Troubleshooting................................................................................................................................... 29
7.1 Error Codes....................................................................................................................................................... 29
7.2 Warnings........................................................................................................................................................... 29
7.3 Event Codes ..................................................................................................................................................... 31