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HANNA HI98107 PHS-98107 Tester Family Pen PH Meters: 14kg/carton Operation: • Remove the protective cap. Don't be worry if white crystals appear around the probe head. This is normal with pH electrodes and they dissolve when rinsed with ...

PHS-98108 HANNA HI98108 Tester Family ATC Pen PH Meter: head. This is normal with pH electrodes and they dissolve when rinsed with water. • Turn the meter on by sliding switch on the top. • Immerse into solution up to the max immersion ...

TDS-98302 HI98302 DIST 2 TDS Meter TDS Tester Family: head. This is normal with electrodes and they dissolve when rinsed with water. • Turn the meter on by sliding switch on the top. • Immerse into solution up to the max immersion ...

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HANNA HI98107 PHS-98107 Tester Family Pen PH Meters