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Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Multipoint Calibration Curve Feature
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Q)NPEF*OUIJTUFDIOJRVFTUSBJHIUMJOFTFHNFOUTBSFESBXOCFUXFFOFBDITVDDFTTJWFQBJSPGDBMJCSBUJPOQPJOUT
4FQBSBUFTMPQFBOE&PWBMVFTBSFDBMDVMBUFEVTJOHUIFBEKBDFOUQBJSPGEBUBQPJOUT'PSFYBNQMFJOBmWFQPJOU
DBMJCSBUJPOGPVSTMPQFTBOEmWF&PWBMVFTBSFDBMDVMBUFEUPDPSSFTQPOEUPUIFGPVSMJOFTFHNFOUTUIBUDPOOFDUUIF
data. pH values for samples are calculated according to the segment that their potential values fall into. Those above
PSCFMPXUIFSBOHFPGDBMJCSBUJPOBSFDBMDVMBUFECZFYUSBQPMBUJPOGSPNUIFUPQPSCPUUPNNPTUTFHNFOU
The displayed slope is an average slope of the separate segments. The slope may be outside the range normally
FYQFDUFEGPSBOFMFDUSPEF'PSFYBNQMFJGUIFTMPQFPGPOFTFHNFOUJTMPXUIFOUIFBWFSBHFXJMMCFMPXFSUIBO
UIFPSFUJDBMFWFOUIPVHIUIFSFTQPOTFNBZCF/FSOTUJBOPWFSNPTUPGUIFSBOHF
5IFmHVSFCFMPXJTBOFYBNQMFPGBUZQJDBMDBMJCSBUJPODVSWFVTJOHUIJTNFUIPE
Dissolved Oxygen Barometric Pressure Compensation
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compensated dissolved oxygen readings. The meter can also use manual barometric pressure compensation if
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as mm Hg.
1 mm Hg = 0.03937 inch Hg = 1.3332 hPa (mBar) = 0.01934 PSI.
