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

PH-099, designed for simultaneous pH and ORP measurements.   It also reads temperature, which is continuously displayed on the dual level LCD.       It is a wat

Kelilong pH controller offers continuous and accurate   pH reading. It also offers alarm when pH reading is &n

Large screen with backlit display, it features digital  calibration  for easy and precise calibration that will  yi