Nova-Tech Floc-Tester ET 750 - Manuel (Page 10)

10 Floc-Tester_ET740_ET750_1 12/2008
GB Operating controls
The start-up speed is selected by the h and i keys . t’s possible to select the speed from
0 to 300 rpm by the speed arrow keys . The display shows the selected speed of the stirring
rods . The progression speed is increased by keeping one of the two keys pushed, in order
to reach the desired value faster .
Electronic timer setting
It’s possible to select three different types of operation by the Set key on the “Electronic
Timer Window”:
• Continuous
• With timer (minutes base)
• With timer (hours base)
It’s possible to select the desired modality just by pressing the Set key and the display will
show as follows:
• Continuous way: “…..”
• With timer (minutes): “000”
• With timer (hours): “h00”
In order to change the timer mode, press and hold the Set key for a few seconds . To set
the desired time use the keys h and i .
The display shows the count down and simultaneously the third decimal point turns on to
indicate that the count is operative . At the end of time the instrument stops the stirring,
the signal warns the end of the time and the display shows “End” .
Speed setting
By the arrows key on the “Speed” window it’s possible to select the desired speed from 10
to 300 rpm with 1 rpm resolution . Press and hold one arrow to increase the progression
speed in order to reach the desired value faster .
The speed is not active if the time is not selected .