Advanced Operations

Timer 1 / Timer 2 / Timer 3 / Timer 4:

This function can define time intervals for up to four timers. Timer designations such as Shake, Wait and Swirl can be assigned.

1.Highlight the appropriate line in the overview of the program data and press Edit.

2.The timers are activated or deactivated with the check boxes in the left part of the display. In the next column, a selection can be made from a list of names that designate the corresponding work step. In the third column, the times for each timer are entered (in mm:ss).

Chemical form 2 / chemical form 3 / chemical form 4:

If a Chemical Form 1 has been defined, up to three additional alternative forms can be entered here.

1.Highlight the appropriate line in the overview of the program data and press Edit.

2.The chemical forms are activated or deactivated with the check boxes in the left part of the display.

3.Press the left key to enter another chemical form with the alphanumeric keypad and press OK to confirm. Press the right key to enter the conversion factor to calculate the concentration of the additional chemical form from the concentration of Chemical Form 1 and press OK to confirm.

4.Press Store to save the program data. Press Cancel to return to the Main Menu.

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Hach DR 2800 user manual Timer 1 / Timer 2 / Timer 3 / Timer, Chemical form 2 / chemical form 3 / chemical form