Eagle Microsystems RA1000 - Manual (Page 16)

16
AUTO ZERO SCREEN
AUTO ZERO 120s
..
0.0mV ESC
This screen will automatically zero the cell input if there is a stable mV input for 120 seconds. If the
auto zero successful, the instrument will display an auto zero successful message. If fifteen minutes
pass without an auto zero, the instrument will display an auto zero failure message.
The top, right side of the display shows a timer, and the bottom, left side shows the current cell mV.
1 No function
2 No function
3 No function
4 ESC Go back to the calibrate zero menu.
CALIBRATE CELL SPAN SCREEN
GET SAMPLE
0.0mV STR
ESC
1 No function
2 No function
3 STR Sample the cell input mV & water temperature and enter the screen where the CL
2
residual value can be set.
4 ESC Go back to the calibrate cell menu.
If one attempts to set a ppm when the mV input is lower than the zeroed mV, the error message
“ERROR! CELL mV <= ZERO” will be displayed for a few seconds.