gopher Comparison to Other pH Devices

SPECIFICATIONGOPHERGLASS ELECTRODEFLUORESCENTBLOOD GAS ANALYZER
Non-InvasiveYesNoYesNo
Measurses pHYesYesInterprets pHInterprets pH
Calibration RequiredYesYesYes1Yes
Labor Time5-10 min10-15 min10-20 min5-10 min
Storage Dry or WetWetDisposeDispose
ReuseableYesYesNoNo
DriftLowLowHighN/A
Cables/WiresNoYesYesNo
Response Time10 usec1 sec30 secN/A
TemperatureCompensatedCompensatedN/AN/A
Alert NotificationsYesNoYesNo
pH TrendingYesNoYesNo
Accuracy (Instrument)0.02 pH0.02 pH0.05 pH 0.03 pH2
Accuracy (Method)30.03 pH0.10 – 0.19 pH0.15 – 0.26 pH0.08 – 0.16 pH

1Calibration requires alignment tool and calibration of a pH glass electrode probe

2 Accuracy is not stated in literature but an estimate is provided in this table

Total Method Uncertainties