Thermo Scientific Orion Star A111, Справочное руководство

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Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters
Chapter 2 Meter Overview
Connections
1. Power source:
a. Power adapter (included with Orion Star A111 benchtop pH meters, sold separately for Star A121
portable pH meters) – Select the appropriate wall socket plug. Slide off the clear plastic cover, and slide
on the plug plate into the groove on the back of the adapter.
b. Batteries (included with and factory installed on Star A121 portable meters, sold separately for Star
A111 benchtop meters) – Select four AA batteries. Confirm that the meter is off and remove the battery
compartment cover.
To remove the battery compartment cover:
i. Loosen the screws.
ii. Release the top portion of the battery compartment from the meter (using a coin
or your finger.)
iii. Release the bottom portion of the battery compartment (using a coin
or your finger).
Insert batteries as shown in the battery compartment housing.
2. Prepare the pH electrode according to
the electrode instructions.
3. Connect the appropriate items as
labeled on the meter and as shown in
figure 1.
Push down on tab and lift the
battery cover
Orion Star A111 Benchtop
Remove screws
Orion Star A121 Portable
Figure 1