This pocket stick total dissolved solids (TDS) tester  provides a fast and dependable way to measure  the TDS 

This conuductivity pocket size stick tester provides a  fast and dependable way to measure the electrical  conductivity&

ModelKL-98501Measuring range-50℃~300℃(-58℉～572℉)Resolution0.1℃/℉(temp 100℃)Accuracy±1℃Power Supply1.5V(AG13)Dimensions175mm×57mm×25mmWeight65g

Maximum and minimum temperature and humidity memory function with optional daily reset  function.℃/°F range selectable at any timeModel KL-9856 Measuring range℃ -5℃~50℃(23℉~122℉)R

Maximum and minimum temperature ℃/°F range selectable at any timeModel KL-9866 Measuring range-50℃~300℃(-58℉～572℉)Resolution0.1℃/℉(temp 100℃)Accuracy±1℃Power Supply1.5VD

Measuring range-50℃~300℃(-58℉～572℉)Resolution0.1℃/℉(temp 100℃)Accuracy±1℃Power Supply1.5V(AG13)Dimensions150mm×29mm×20mm

BNC with the composite electrode and around the power adapter, around the world to facilitate the replacement of electrodes, used.Measuring rangePH0.00～14.00PH℃ 0～100℃ ResolutionPH0.01PH℃ 0.

Measure the tap water coming in vs. the purified water  going out of your water filtration system at any 

*Replaceable pH electrode*Waterproof design（IP58）*LED displayMeasuring range0.0~9.9PHAccuracy±0.1PHResolution0.1PHOperating Temperature0℃~50℃Automatic Temperature Co