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Products > point reading pen > Shanghai Longway Optical Instruments Co., Ltd. | Similar Products

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HANNA HI98107 PHS-98107 Tester Family Pen PH Meters: points Dimension:175*41*23mm N.W:90g G.W: 130g Package: 100pcs/carton, 14kg/carton Operation: • Remove the protective cap. Don't be worry if white crystals appear around the probe head. ...

PHS-98108 HANNA HI98108 Tester Family ATC Pen PH Meter: maximum immersion level in pH 6.86 buffer solution • Allow the reading to stabilize and using a small screwdriver adjust the calibration trimmer to read 6.86 Calibration is now complete. ALWAYS ...

PH-981 High Precision Pen PH Meters: point Dimension: 170*33*20mm ATC:5-55℃ Hold Function N.W:70g G.W: 115g Package: 100pcs/carton, 13.5kg/carton OPERATION • Remove the protective cap. Do not be alarmed if white crystals appear ...

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HANNA HI98107 PHS-98107 Tester Family Pen PH Meters