Portable TDS Water Quality Test Pen

1.This portable water analysis detector just need to open it, immerse in liquid and read the display, no need to use color charts or test strips; The large digital display makes it easy to read. 2.No need for any adjustment screwdriver, just use the automatic calibration button and the included cushioning powder to complete the calibration. 3.The handheld pen and compact carrying case make it convenient to fit in your pocket or bag and take it anywhere. 4.Ideal for home and laboratory TDS testing applications, including drinking water, swimming pool, aquarium, hydroponics, etc.

Material: Plastic | Packaging: Poly Bag