Ph Meter, 4 in 1 TDS/PH/EC/Temp Water Quality Tester Pen, 0.01 High Accuracy Digital Ph Tester, Water Quality Tester for Household Drinking, Pool and Aquarium, Ph Tester
- The smallest pH pen with reliable testing performance for regular liquid e. g. pools, hydroponics, aquaculture, cooling towers, beverage making, body fluid, etc..
- Slim replaceable probe, suitable for test tubes.
- Intelligent functions: switch from ˚F to ˚C, automatic power-off, pH probe invalidation reminder (remind you to replace the probe for better performance).
- Complete kit: 3 types of premixed calibration solutions (4, 7, 10) and storage solution (3M KCL) all in one portable case.