Hach-Lange SD900 User Manual - Manual (Page 4)

Start or stop a program..............................................................................................24
View the program status ............................................................................................24
Manual operation .......................................................................................................24
Collect a grab sample .........................................................................................24
Move the distributor arm .....................................................................................25
Start or stop the pump........................................................................................25
View data ...................................................................................................................25
View the sample history ...................................................................................... 25
View the event log ..............................................................................................26
Event log information ................................................................................... 26
Erase the event log .....................................................................................26
View data from SDI-12 devices ..........................................................................26
Volume calibration .....................................................................................................27
Calibrate the liquid sensor ..................................................................................27
Restore the default calibration ............................................................................27
Calibrate the sample volume with the liquid sensor ...........................................27
Calibrate the sample volume manually ............................................................... 28
Verify the sample volume ...................................................................................28
Full bottle shutoff.......................................................................................................28
Activate the full bottle shutoff.............................................................................. 29
Enable the full bottle shutoff...............................................................................29
Full bottle shutoff in non-continuous mode .........................................................29
Full bottle shut off in continuous mode ...............................................................29
Full bottle shutoff and timed bottle mode ....................................................30
Full bottle shutoff exception conditions ............................................................... 30
Advanced sampling
................................................................................................30
Send output signal at program completion ................................................................30
Send output signal with sample cycle (special output) ..............................................31
Operate from an external signal (setpoint sample) ....................................................31
Use an SDI-12 device for setpoint sampling .....................................................31
Set multiple start and stop times ................................................................................ 32
Collect first flush stormwater samples .......................................................................33
Set variable intervals .................................................................................................33
Timed bottle sets .......................................................................................................34
Maintenance
...............................................................................................................34
Clean the instrument .................................................................................................. 35
Replace the desiccant ...............................................................................................35
Pump maintenance ....................................................................................................36
Replace the pump tubing .................................................................................... 36
Clean the rotor ....................................................................................................38
Replace the distributor arm tube ................................................................................ 39
Fuse replacement ......................................................................................................39
Troubleshooting
.......................................................................................................39
General troubleshooting ............................................................................................39
Error messages .........................................................................................................40
Diagnostic tests .........................................................................................................42
Replacement parts and accessories
...............................................................42
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