Digital Water Tester Pen 4 in 1 Accurate Sensitive Portable PH TDS EC Temperature Water Quality Meter Blue

Highlights

• [Four In One] Digital water tester designed for PH, TDS, EC conductivity, temperature 4 functions, one key switch, easy to operate and use.
• [Multi Application] Water quality test pen is suitable for home drinking water, aquaculture, swimming pools, aquariums, greenhouse flowers and plants, laboratories, etc.
• [Backlight Display] This digital water tester pen automatically starts the backlight display, to ensure that the dim environment can also see the value.
• [Sensitive And Accurate] Alloy probe and high sensitivity glass electrode, high testing accuracy, can automatically make up the temp difference to reduce the measurement error.
• [Compact And Portable] Digital water quality meter has a simple and fashionable design, lightweight, easy to carry, convenient to use at any time and anywhere.