戴安色谱CD20手册CD20 CONDUCTIVITY DETECTOR OPERATOR’S MANUAL

仪器资料 · 发表于 2018-7-15 16:22:39

1 · Introduction
1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.2 About This Manual . . . . . . . . . . . . . . . . . 1-3
1.2.1 Typefaces . . . . . . . . . . . . . . . . . . 1-4
1.2.2 Safety Messages and Notes . . . . . . . . 1-5
1.2.3 Symbols . . . . . . . . . . . . . . . . . . . 1-6
1.3 Related Manuals . . . . . . . . . . . . . . . . . . . 1-7
2 · Description
2.1 Front Control Panel . . . . . . . . . . . . . . . . . 2-4
2.1.1 Control Panel Display . . . . . . . . . . . 2-4
2.1.2 Control Panel Keypad . . . . . . . . . . . 2-5
2.2 Rear Panel . . . . . . . . . . . . . . . . . . . . . . 2-10
2.3 Electronics Chassis . . . . . . . . . . . . . . . . . 2-11
2.3.1 Connectors . . . . . . . . . . . . . . . . . 2-12
2.3.2 Cards . . . . . . . . . . . . . . . . . . . . 2-13
2.4 Conductivity Cell . . . . . . . . . . . . . . . . . . 2-15
2.4.1 DS3 Detection Stabilizer . . . . . . . . . 2-16
2.4.2 Shielded Cell . . . . . . . . . . . . . . . . 2-18
2.5 Functional Description . . . . . . . . . . . . . . . 2-18
2.5.1 Modes of Operation . . . . . . . . . . . . 2-18
2.5.2 Control . . . . . . . . . . . . . . . . . . . 2-20
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3 · Operation and Maintenance
3.1 Getting Ready to Run . . . . . . . . . . . . . . . . 3-3
3.1.1 Powering Up . . . . . . . . . . . . . . . . 3-4
3.2 Running Under Direct Control . . . . . . . . . . . 3-5
3.3 Running Under Method Control . . . . . . . . . . 3-6
3.3.1 Creating a New Method . . . . . . . . . . 3-6
3.3.2 Editing an Existing Method . . . . . . . . 3-8
3.3.3 Running a Method . . . . . . . . . . . . . 3-9
3.3.4 Changing the Running Method . . . . . . 3-10
3.4 Optimizing Temperature Compensation . . . . . . 3-10
3.4.1 With a DS3 and Conductivity Cell . . . . 3-10
3.4.2 With a Shielded Conductivity Cell . . . . 3-11
3.5 Routine Maintenance . . . . . . . . . . . . . . . . 3-12
4 · Troubleshooting
4.1 No Detector Response . . . . . . . . . . . . . . . 4-3
4.2 Low Detector Output . . . . . . . . . . . . . . . . 4-4
4.3 High Detector Output . . . . . . . . . . . . . . . . 4-4
4.4 Noisy or Drifting Baseline . . . . . . . . . . . . . 4-4
4.5 Liquid Leaks from the DS3 . . . . . . . . . . . . 4-6
4.6 DS3 Temperature Inaccurate . . . . . . . . . . . . 4-7
4.7 Conductivity Inaccurate . . . . . . . . . . . . . . 4-8
4.8 Faulty DX LAN Communication . . . . . . . . . 4-9
4.9 Diagnostics . . . . . . . . . . . . . . . . . . . . . 4-10
CD20 Conductivity Detector
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5 · Service
5.1 Eliminating Liquid Leaks . . . . . . . . . . . . . . 5-3
5.2 Removing Trapped Air from the Cell . . . . . . . 5-3
5.3 Replacing the Main Power Fuses . . . . . . . . . 5-4
5.4 Calibrating the Cell . . . . . . . . . . . . . . . . . 5-5
6 · Conductivity Detection
6.1 How Conductivity Is Measured . . . . . . . . . . 6-3
6.2 Conductivity of Solutions . . . . . . . . . . . . . 6-4
6.2.1 Effect of Hydration Sphere and
Solvent on Conductivity . . . . . . . . . . 6-6
6.2.2 Effect of Temperature on Conductivity . 6-7
6.2.3 Species Detected by Conductivity . . . . 6-7
6.2.4 Chemical Suppression . . . . . . . . . . . 6-9
6.2.5 Eluents for Conductivity Detection . . . 6-11
A · Specifications
A.1 Electrical . . . . . . . . . . . . . . . . . . . . . . . A-3
A.2 Environmental . . . . . . . . . . . . . . . . . . . . A-3
A.3 Physical . . . . . . . . . . . . . . . . . . . . . . . A-3
A.4 Display and Keypad . . . . . . . . . . . . . . . . . A-3
A.5 Detector . . . . . . . . . . . . . . . . . . . . . . . A-4
A.6 Conductivity Cell . . . . . . . . . . . . . . . . . . A-4
A.7 SRS Power Supply . . . . . . . . . . . . . . . . . A-4
A.8 DS3 Detection Stabilizer (Optional) . . . . . . . . A-5
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B · Installation
B.1 Facility Requirements . . . . . . . . . . . . . . . . B-3
B.2 System Configuration . . . . . . . . . . . . . . . . B-4
B.3 Installation . . . . . . . . . . . . . . . . . . . . . . B-5
B.3.1 Power Connection . . . . . . . . . . . . . B-5
B.3.2 DX LAN Network Connection (Optional) B-6
B.3.3 DS3 Detection Stabilizer Installation . . B-8
B.3.4 Shielded Conductivity Cell Installation . B-15
B.3.5 Recorder/Diagnostic Connection . . . . . B-15
B.3.6 Relay/TTL Control Connections . . . . . B-16
B.4 Automatic SRS Power Control (Optional) . . . . B-17
C · User Interface
C.1 Operational Screens . . . . . . . . . . . . . . . . . C-4
C.1.1 Menu of Screens . . . . . . . . . . . . . . C-4
C.1.2 Main Screen . . . . . . . . . . . . . . . . C-5
C.1.3 Detail Screen . . . . . . . . . . . . . . . . C-6
C.1.4 Method . . . . . . . . . . . . . . . . . . . C-7
C.1.5 Module Setup . . . . . . . . . . . . . . . C-9
C.1.6 Analog Out Setup . . . . . . . . . . . . . C-10
C.1.7 Time Function In . . . . . . . . . . . . . C-12
C.2 Diagnostic Screens . . . . . . . . . . . . . . . . . C-13
C.2.1 Diagnostic Menu . . . . . . . . . . . . . . C-13
C.2.2 Power-Up Screen . . . . . . . . . . . . . . C-14
C.2.3 Elapsed Time . . . . . . . . . . . . . . . . C-15
C.2.4 Analog Status . . . . . . . . . . . . . . . C-16
C.2.5 DX LAN Status . . . . . . . . . . . . . . C-17