EN-10
STARTER 2200 Bench pH Meter
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):
STARTER 2200 automatically corrects for the temperature dependence of the buffer pH values
given in the following table.
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-
when reading is stable and displays
:
then the sample reading or calibration value freezes,
blinks 3 times and
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 blinks 3 times then disappears;
blinks 3 times and freezes
on the display.
1.68
4.01
7.00
10.01
5 °C
1.67
4.01
7.09
10.25
10 °C
1.67
4.00
7.06
10.18
15 °C
1.67
4.00
7.04
10.12
20 °C
1.68
4.00
7.02
10.06
25 °C
1.68
4.01
7.00
10.01
30 °C
1.68
4.01
6.99
9.97
35 °C
1.69
4.02
6.98
9.93
40 °C
1.69
4.03
6.97
9.89
45 °C
1.70
4.05
6.97
9.86
50 °C
1.71
4.06
6.96
9.83
