Thermo Fisher Scientific Alpha DO 2000 - Manual (Page 26)

Instruction manual
Alpha DO 2000
5.3 View Probe Condition
The probe condition is an indication of its current working condition with
respect to its original condition. The probe condition is calculated and stored
in the controller each time calibration is done.
You can view probe condition without entering into calibration mode.
89.5
24.5
ADJ
C.CD
100.0
000
ATC
MEAS
%
0.0
CAL
ENT ENT
ENT
CAL
1
2
4 6
95.5
CAL
5
ENT
CAL
%
DO
CAL
3
CAL
ENT
1. While in Measurement mode press CAL key.
2. The display prompts you to enter the calibration security code (CCD). Leave
the security code at “000” (view only mode). Press ENT key.
3. The display shows “CAL DO”. Press ENT key.
4. The display shows the zero point current in nA. Press ENT key.
5. The display shows the current in nA for the second calibration point. Press
ENT key.
6. The display shows the selected measuring range in %. Press ENT key to
return to the Measurement mode.
Î NOTE: If no key is pressed for 30 seconds during the above steps, the
controller automatically returns to the Measurement mode.
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