Hach-Lange SIGMA SD900 Refrigerated Sampler and All Weather Refrigerated Sampler User Manual - Manual (Page 47)

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Sampler operation
4.3 Main menu overview
The SD900 sampler main menu contains four options for sampler
operation, monitoring or data management. Each option is detailed
in
Table 2 .
4.4 Sampler programs
Create sampler programs to operate the sampler automatically.
Once programmed, install the sampler at the sampling site. Return
to collect the samples at regular intervals or when the sampling
program is complete. Sampler programs can be stored for later
recall (
4.4.6 on page 49 ).
Table 2 SD900 sampler menu overview
Menu option Description
Program setup Create, review, or set up a sampling program
Modify all Create or edit a sampling program
Modify selected Edit a portion of a sampling program
Review Review a sampling program
Presets Enter or select up to three program templates
Restore defaults Restore the program default selections
Status Display the status of the current program
Diagnostics Review and manage data or test the operation of components
Event log Display or delete the event log
Sample history Review the sampling history
SDI-12 Display the number of communications between the SD900 and a connected sonde.
Thermal diag
Display the thermal control unit parameters
Note: Only available on the all weather refrigerated sampler.
Distrib diag
Test the ability of the distributor to detect each of the 24 bottle positions
Note: Only active when the sample program is configured for more than 1 bottle.
Keypad diag Test the operation of each key
LCD diag Test the operation of the LCD display screen
Liquid sensor diag Display calibration data for the liquid sensor
System setup Change controller settings or calibrate the liquid sensor
Time/date setup Set the time (24 hour) and date
Communication
Set the baud rate (19200, 38400, 57600 or 115200) and protocol (Modbus RTU or ASCII) for the
serial port
SDI-12 Configure the operation of the SDI-12 sonde. (Only appears if a sonde is detected.)
Setup base Specify whether the all weather refrigerated, refrigerated or portable base is used.
Language Select one of the available languages
Liq sensor cal Calibrate the liquid sensor
Pump duty cycle Change the duty cycle of the pump
Thermal setup
Set the thermal setpoint or perform thermal calibration
Note: Only available on the all weather refrigerated sampler.
Set contrast Adjust the contrast of the LCD display screen
Password setup Create or disable a password
Tubing life Enable optional alarm to indicate when pump tubing needs to be changed