Hach-Lange pHD sc User Manual
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Table of Contents
Section 1 Specifications......................................................................................................................................... 1
Section 2 General Information ............................................................................................................................... 3
2.1 Safety Information ............................................................................................................................................... 3
2.1.1 Use of Hazard Information......................................................................................................................... 3
2.1.2 Precautionary Labels................................................................................................................................. 3
2.2 General Sensor Information ................................................................................................................................ 4
2.2.1 Sensor Body Styles ................................................................................................................................... 4
2.3 The Digital Gateway ............................................................................................................................................ 6
2.4 Operating Precaution .......................................................................................................................................... 6
Section 3 Installation .............................................................................................................................................. 7
3.1 Connecting/Wiring the Sensor to the sc Controller ............................................................................................. 7
3.1.1 Attaching a sc Sensor with a Quick-connect Fitting .................................................................................. 7
3.2 Using the Digital Gateway ................................................................................................................................... 8
3.2.1 Wiring the Digital Gateway ........................................................................................................................ 8
3.2.2 Mounting the Digital Gateway .................................................................................................................. 10
3.3 Installing the Sensor in the Sample Stream ...................................................................................................... 11
Section 4 Operation .............................................................................................................................................. 13
4.1 Using an sc Controller....................................................................................................................................... 13
4.2 Sensor Setup .................................................................................................................................................... 13
4.3 Sensor Data Logging ........................................................................................................................................ 13
4.4 Sensor Diagnostics Menu for pH and ORP....................................................................................................... 13
4.5 pH Sensor Setup Menu..................................................................................................................................... 13
4.6 ORP Sensor Setup Menu.................................................................................................................................. 15
4.7 pH Calibration ................................................................................................................................................... 17
4.7.1 Two Point Automatic Calibration .............................................................................................................. 17
4.7.2 One Point Manual Calibration .................................................................................................................. 17
4.7.3 Two Point Manual Calibration .................................................................................................................. 18
4.8 ORP Calibration ................................................................................................................................................ 19
4.9 Concurrent Calibration of Two Sensors for pH and ORP .................................................................................. 19
4.10 Adjusting the Temperature .............................................................................................................................. 20
Section 5 Maintenance ......................................................................................................................................... 21
5.1 Maintenance Schedule ..................................................................................................................................... 21
5.2 Cleaning the Sensor ......................................................................................................................................... 21
5.2.1 Replacing the Standard Cell Solution and Salt Bridge ............................................................................ 22
Section 6 Troubleshooting ................................................................................................................................... 23
6.1 Error Codes....................................................................................................................................................... 23
6.2 Warnings ........................................................................................................................................................... 23
6.3 Troubleshooting the pH Sensor......................................................................................................................... 24
6.3.1 Troubleshooting a pH Sensor without Integral Digital Electronics ........................................................... 24
6.3.2 Troubleshooting the pH Sensor with Integral Digital Electronics ............................................................. 25
6.4 Checking ORP Sensor Operation ..................................................................................................................... 26
6.4.1 Troubleshooting the ORP Sensor without Integral Digital Electronics ..................................................... 26
6.4.2 Troubleshooting the ORP Sensor with Integral Digital Electronics .......................................................... 26
Section 7 Replacement Parts and Accessories ................................................................................................. 27
7.1 Replacement Items, Accessories, and Reagent and Standards....................................................................... 27