Acidity Meter, Tds Pen, Ec Value, Water Quality Test Pen, Ph Test Pen

Easy to use: just immerse the pH meter electrode in the solution to be measured, and the reading can be quickly displayed on the large LCD screenTDS meter is a professional water level measuring instrument, simple operation, stylish appearance, small size, easy to put in your pocket It is suitable for the smallest and lightest portable in the market today. The design is reasonable, and the pen electrode can be directly inserted into the aqueous solution for measurement. Small size, carry it with youCompact and portable design: Pocket pH meter and TDS meter are light and small. It is completely hidden in your bag or pocket for easy carrying.Wide range of uses: suitable for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, laboratory and scientific testing, pools, ecological testing, colloidal silver, water treatment, etc.Name: PH test penPH test pen Size: 155x31x18mmTest range: 0.0-14.0PHSolubility: 0.01PHError: 0.05PHBattery: 2x1.5V (LR44)Temperature compensation: 0-50Operating temperature: 0C-80Weight: 50gName: TDS test penTDS test pen Size: 155mmx14mmx25mmNet weight: 55gTDS measurement range: 0-9990ppmConductivity: 0-9990s/cmTemperature measurement range: 0-80Accuracy: 2%;Electronics: 2x3VProbe: Titanium alloy probeDisplay light: Less than 40ppm bright green light, greater than equal 40ppm bright red light; adopts full viewing angle processMaterial:plasticcolour:As shownPackage Contents:1 x PH meter 1 x TDS meter 1 x English manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.