*With Temperature Display*Replaceable pH electrode*Waterproof design ppm Temp(℃) Measuring range0~19990ppm-50℃~70℃Resolution10ppm0.1℃ Accuracy±2â„…F·S±1℃Display4-di

ModelKL-139AKL-139BMeasuring range0~1999ppmAccuracy±2â„…F·SResolution1ppmDisplay4-digital LCDEnvironmentHumidity:≤95â„…Automatic Temperature Compensation0℃~50℃Power Supply4×

It is a budget priced pocket size total dissolved solids (TDS),   tester .    Automatic temperature compensati

KL-167 intellectual acidometer is an accurate electrochemical apparatus which is used to measure the sodium ion and basicity, electrode potential and the temperature of solutions.It is an accurate sec

Usher in the advanced technique, adopt with imported apparatus, contracting the physical volume maximum, lowering the cost, keeping originally excellent good quality, making O.R.P got the universality

Technical Specification:Measuring range:0~±1999mVAccuracy: ±5mVResolution:1 mVDisplay:4-digital LCDPower Supply:4×1.5V(AG13)Dimensions:170×36×23(mm3)Weight:85g

Technical Specification:Measuring range:0~±1999mVAccuracy: ±5mVResolution:1 mVDisplay:4-digital LCDPower Supply:4×1.5V(AG13)Dimensions:60×55×23(mm3)Weight:62g

It is an accurate secondary instrument with LED digital display. it is applicable to determine Na+ value of water solution in departments of petroleum,chemical,medicine-produce ect. Automatic temp.Com

Kelilong ORP controller offers continuous and accurate  MV reading. It also offers alarm when MV reading is  out&nb