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30
CAL 1 OK
0.00
mg/L
ATC
25.0
C
DO
MEAS
CAL 2
8.07
mg/L
ATC
25.0
C
DO
MEAS
8.3
mg/L
ATC
25.0
C
DO
The left figure indicates to finish Zero calibration.
Saturated Calibration
Connect probe, rinse it and dry(blot dry with tissue). Rapidly put probe into the
prepared BOD bottle containing water saturated with air
to minimize the exposure in the air. Press
M easure
key.
If the reading is stable, press
Cal
key. And then Cal 2 OK
message is displayed in the upper field and set
automatically.
After finishing calibration, change to the initial display
automatically. Put probe into sample and press the
M easure
key.
If pressing
Resolution
key, change resolution
If the reading is stable, store or report it.
While measuring DO, can also measure O
2
by pressing
M ode
key.
Chapter V Calibration and Measurement
N eo M et
MEAS
20.9
ATC
25.0
C
O
2
%