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PHS-98108 HANNA HI98108 Tester Family ATC Pen PH Meter: cap. • Large fluctuations in readings could be due to lack of calibration, dry electrode or rundown batteries. CALIBRATION • Immerse the tester up to the maximum immersion level in pH 6.86 ...

PH-981 High Precision Pen PH Meters: cap. • Large fluctuations in readings could be due to lack of calibration, dry electrode or rundown batteries. CALIBRATION • Immerse the tester up to the maximum immersion level in pH 6.86 ...

TDS-98302 HI98302 DIST 2 TDS Meter TDS Tester Family: on by sliding switch on the top. • Immerse into solution up to the max immersion level. • Stir gently and wait until the display stabilizes. • After use, switch off pH meter, use the ...

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PHS-98108 HANNA HI98108 Tester Family ATC Pen PH Meter