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4
STARTER 2200 OPERATION
4.1
Calibration
4.1.1
Buffer group
STARTER 2200 can perform 1 or 2-point calibrations. OHAUS recommends conducting a 2 point
calibration.
There is 1 buffer group (the US group) stored in the meter. The US buffer group is (at 25° C):
1.68
4.01
STARTER 2200 automatically corrects for the temperature dependence of the buffer pH values
given in the following table.
5 ° C
1.67
10 ° C
1.67
15 ° C
1.67
20 ° C
1.68
25 ° C
1.68
30 ° C
1.68
35 ° C
1.69
40 ° C
1.69
45 ° C
1.70
50 ° C
1.71
4.1.2
Reading Mode:
Continuous (Manual End point) mode
o
When in Manual Mode, to manually reach a pH measurement or calibration value,
you need to press button-
then the sample reading or calibration value freezes,
freezes on the display.
Auto-stop Mode
o
When in Auto End Point Mode, the meter determines when the reading is stable
then displays and locks the reading or calibration value automatically, the reading
freezes and
on the display.
7.00
10.01
4.01
7.09
4.00
7.06
4.00
7.04
4.00
7.02
4.01
7.00
4.01
6.99
4.02
6.98
4.03
6.97
4.05
6.97
4.06
6.96
blinks 3 times then disappears;
STARTER 2200 Bench pH Meter
10.25
10.18
10.12
10.06
10.01
9.97
9.93
9.89
9.86
9.83
when reading is stable and displays
blinks 3 times and
blinks 3 times and freezes
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