OHAUS ST300, Инструкция по эксплуатации

Страница: 12 / 26

EN-8 STARTER 300 Portable pH Meter
3 STARTER 300 SETUP
3.1 Set temperature unit and MTC value
Please note:
If a temperature electrode is used, Automatic Temperature Compensation (
ATC)
and the sample
temperature are displayed on the screen. You may then choose to skip MTC setup (below).
If the meter does not detect a temperature electrode or one is not used, the meter automatically
switches to Manual Temperature Compensation (
MTC
) mode and
MTC
appears on the screen.
MTC can be set as follows:

Power the meter on by pressing

Press and hold until the setup icon appears on the display and the current
temperature unit blinks (
°
C or
°
F).

Press or to switch between
°
C and
°
F .

Press to confirm your selection.
Then

Continue with MTC temperature setting by using or to adjust temperature
compensation accordingly

Press button- to confirm the setting

Press to return to the measurement screen.
The default MTC temperature value setting is 25 °C (77
°
F).
Note:
°
C = 5/9 (
°
F - 32)
3.2 Selecting a predefined buffer group
After confirming the MTC value (or if you are using ATC) you have the option of making a buffer
group selection. In most cases the default buffer group will be used, buffer group
b1
.
If it is necessary to switch the buffer group, use button- or button- to select a buffer
group among 4 buffer groups shown in section 4.1.1 in this manual. Press button- to confirm
the setting or press button- to return to the measurement screen.
The default buffer group is
b1
.
b1
1.68 4.01 7.00 10.01