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Thermo Scientific Orion Star A213 Benchtop and Star A223 and Star A323 Portable RDO/DO Meter Reference Guide
Connecting Electrode Arm to an Orion Star A Series Benchtop Meter
Orion Star A series benchtop meters include an electrode arm that can be attached to either side of the meter.
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2. Choose the side of the meter to attach the arm.
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should be on the same side as the meter display.
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8. Place the hole at the bottom of the electrode arm onto the metal post on the electrode arm base.