Thermo Scientific Russell RL060P, User Manual

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Thermo Scientific Russell RL060P pH Meter User Guide
pH Calibration using USA standard buffers
1 . . Pour .a .known .pH .buffer .standard .solution .into .a .clean, .dry .container, .e .g . .pH .7 .00 . .
Power .on .the .meter .and .it .automatically .enters .into .the .measurement .mode . .
Select .pH .mode .by .pressing .
.if .necessary .
2 . . Dip .both .pH .electrode .and .temperature .probe .into .pH .7 .00 .buffer .solution . .Swirl .
gently .and .wait .for .reading .to .stabilize .(about .30 .seconds .depending .on .your .
electrode .condition) . .
3 . . Press . .to .enter .pH .calibration .mode . .A .“
CA
” .displays .momentarily .and .the .
display .shows .the .current .uncalibrated .reading .flashing .while .in .the .calibration .
mode .
4 . . To .abort .or .cancel .calibration .without .accepting .new .value, .press . . .The .meter .
then .reverts .to .pH .measurement .mode .
5 . . To .proceed .with .the .calibration, .allow .the .reading .to .stabilize . .The .meter .
automatically .recognizes .pH .4 .01, .7 .00 .or .10 .01 .buffers . .Press . .to .confirm .
calibration .and .the .LCD .displays .“
CO
” .momentarily . .The .meter .reverts .to .the .
measurement .mode . .
6 . . For .a .two .or .three .point .calibration, .repeat .steps .3 .through .5 .with .other .pH .buffer .
values .of .4 .01 .and/or .10 .01 .for .higher .accuracy .