Hach-Lange SIGMA SD900 Refrigerated Sampler and All Weather Refrigerated Sampler User Manual - Manual (Page 67)

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Section 5 Advanced sampling
5.1 Advanced sampling overview
Use the advanced sampling menu for the following operations:
• Send a 12 VDC output signal to start a second sampler,
activate a relay or for communications
• Set the sampler to start and stop from an external signal
• Set multiple start and stop times
• Set variable time intervals
• Collect first flush samples from stormwater
• Define a setpoint sampling algorithm.
• Configure the sampler with timed bottle sets.
5.2 Advanced sampling menu
Table 5 outlines the menu for the advanced sampling operations.
Table 5 SD900 advanced sampling menu
Menu option Description
Program complete O/P
Send a signal at the completion of a sampling program. The signal can be used to start a second
sampler or activate a relay.
Setpoint sample
Start and stop the sampler from either an external trigger on the auxiliary interface or a
measurement supplied on the SDI-12 interface.
Special output Send a signal to a connected device.
Each sample Send signal at the completion of each sample cycle.
Sample pumping Send signal during the sample intake.
Rinse to purge Send signal during the entire sample cycle, including all purge and rinse cycles.
Start/stop times Start and stop a program at user specified dates and times.
Program start/stop Set up to 12 start and stop times for any one program.
Stormwater Collect first flush samples at timed intervals. Can be initiated by external device.
Immediate Start program immediately.
External Start program from an external device.
Variable intervals Sample at variable time or flow intervals.
Timed Bottle Set the sample collection to timed bottle.
Timed bottle samples Set the number of samples to be collected to a timed bottle set.
24 hr format Set the timed bottle trigger time in 24 hour format.
Duration Set the timed bottle trigger in duration of hour and minutes
Continuous Sampler will continue collecting samples in timed bottle sets until stopped manually
End after last
The controller stops sampling when the last sample is collected in the last bottle of last timed
bottle set.
Done Exit the advanced sampling menu.