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Thermo Scientific Orion Star A221 Reference Guide - Geotech ...

Thermo Scientific Orion Star A221 Reference Guide - Geotech ...

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pH Channel Menumeasurements and calibrations.Main Setup Menu 2nd Level 3rd Level Menu Options Menu DescriptionpH ChannelMethodList of Methods<strong>Star</strong> A211 and <strong>Star</strong> A321 meters only.Mode and SettingsMeasure ModeAuto ( )– Press to take a measurement. When themeasurement is stable, it is locked on the display untilisRead Type(<strong>Star</strong> A211 and <strong>Star</strong>A321 meters only)pressed again.Continuous – The measurement is constantly updated on thedisplay and stabilizing or readymeasurement stability.Timed – Measurements are taken at a set time interval. To enterthe time interval, highlight Timed pressto highlight thehours (HH), minutes (MM) or seconds (SS), press f3 (edit) and useResolutionBuffer Groupthe numeric entry screen to change the values.Menu used to select the resolution for the displayed measurement values.Menu used to select the buffer group used for automatic bufferrecognition during pH calibrations.10 <strong>Thermo</strong> <strong>Scientific</strong> <strong>Orion</strong> <strong>Star</strong> A211 Benchtop and <strong>Star</strong> <strong>A221</strong> and <strong>Star</strong> A321 Portable pH Meter <strong>Reference</strong> <strong>Guide</strong>

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