Table of Contents
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6.3 4-20 mA Option ................................................................................................................................................ 87
6.3.1 4-20 mA Connection ............................................................................................................................... 87
6.3.2 4-20 mA Programming............................................................................................................................ 87
6.3.3 4-20 mA Calibration ................................................................................................................................ 88
6.4 Alarm Relays..................................................................................................................................................... 89
6.4.1 Alarm Relays Connection ........................................................................................................................ 90
6.4.2 Alarm Relays Programming..................................................................................................................... 91
6.4.2.1 Trouble Alarms ........................................................................................................................... 91
6.4.2.2 Set Point Alarms ......................................................................................................................... 91
6.5 Analog Inputs .................................................................................................................................................... 93
6.5.1 Analog Inputs Connection ....................................................................................................................... 93
6.5.2 Analog Inputs Programming .................................................................................................................... 94
................................................................................................................................................... 95
7.1 Cleaning the Sampler ....................................................................................................................................... 97
7.1.1 Cleaning the Sampler Cabinet................................................................................................................. 97
7.1.2 Cleaning the Sample Bottles ................................................................................................................... 97
7.1.3 Cleaning the Intake Tubing and Pump Tubing ......................................................................................... 97
7.1.4 No Lubrication Required.......................................................................................................................... 97
7.2 Pump Tubing Maintenance................................................................................................................................ 97
7.2.1 Tubing Life Estimates............................................................................................................................... 97
7.2.2 Replacing Pump Tubing........................................................................................................................... 98
7.3 Upgrades, Repairs, General Maintenance ........................................................................................................ 98
Electrostatic Discharge (ESD) Considerations ................................................................................................. 99
7.4 Internal Maintenance Items............................................................................................................................... 99
7.5 Removing and Opening the Controller.............................................................................................................. 99
7.6 Re-installing the Bottom Panel........................................................................................................................ 100
7.7 Circuit Board Identification .............................................................................................................................. 101
7.8 Replacing the Fuse ......................................................................................................................................... 103
7.9 Motor/Gear Box............................................................................................................................................... 103
7.10 Internal Desiccant Module ............................................................................................................................ 103
7.10.1 Replacing the Desiccant...................................................................................................................... 103
7.11 Memory Battery ............................................................................................................................................ 104
Quick Start Guides......................................................................................................................... 105
Sigma 900 MAX Refrigerated Sampler Main Menu Flow Chart ..................................................................... 105
Sigma 900 MAX Refrigerated Sampler Setup Flow Chart.............................................................................. 106
Sigma 900 MAX Refrigerated Sampler Options Flow Chart........................................................................... 107
Sigma 900 MAX Refrigerated Sampler Advanced Sampling Flow Chart ....................................................... 108
Sigma 900 MAX Refrigerated Sampler Alarms Flow Chart............................................................................ 109
Sigma 900 MAX Refrigerated Sampler Calibration Flow Chart (1 of 2) ......................................................... 110
Sigma 900 MAX Refrigerated Sampler Calibration Flow Chart (2 of 2) ......................................................... 111
Programming Features .................................................................................................................. 113
Review All Items ............................................................................................................................................. 113
Running a Program ........................................................................................................................................ 113
Displaying Data .............................................................................................................................................. 113
8990TOC.fm
..................................................................................................................................... 97
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