Thermo Scientific ALPHA DO 2000 PG POLAROGRAPHIC DISSOLVED OXYGEN CONTROLLER TRANSMITTER, Manual

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Instruction manual
Alpha
DO 2000
Î
NOTES:
•
If you entered the Calibration mode from the Setup mode, the transmitter will
return to the setup menu.
•
If there is a calibration error the transmitter displays “ERR”. In this case, press
the
▲
and
▼
keys simultaneously (escape) to restart the calibration
beginning from step 1.
•
When calibrating with manual temperature compensation, the transmitter
automatically changes from the preset process temperature to the calibration
temperature. After leaving the Calibration mode, the transmitter switches back
to the process temperature (for setting the calibration temperature and the
process temperature, see section
6.3).
5.2.2 Two-Point Calibration
SETUP
CAL
HOLD
0.0
Yes
7
ENT
SETUP
CAL
HOLD
NO
7
SETUP
SETUP
SETUP
SETUP
HOLD HOLD
HOLD
CAL
HOLD
1-PT
2-PT
CAL
CAL
Rh
%
100
DO
CAL
ENT
ENT
ENT
1
2
2
3
CAL
HOLD
BAR
PRES
PRES
PRES
HOLD
H9
HOLD
PSI
4
4
4
CAL
CAL
CAL
SETUP
CAL
HOLD
BAR
1.013
5
ENT ENT
SETUP
CAL
HOLD
0.0
6
ENT
READY
SETUP
CAL
HOLD
SAT
100.0
10
ENT
SETUP
CAL
25.0
100.0
11
MEAS
%
0.0
SETUP
CAL
HOLD
PNT
2nd
8
ENT
SETUP
CAL
HOLD
95.5
9
ENT
READY
%
1. Enter Calibration mode as described in section 5.1. The display shows “ CAL
DO ”. Press ENT key to start calibration.
2. The display shows “ 1-PT CAL ” by default. Use
▲
or
▼
keys to select “ 2-PT
CAL ” (2-point calibration). Press ENT key to confirm the 2-point selection.
3. Press
▲
or
▼
key to set the relative humidity. Press ENT key to confirm.
16