ZhuGu TDS Water Quality Tester Pen High-Precision Digital Display Household Pet 3-in-1 Impurity Purity Detector Pen

One-button HOLD function to lock measurement values

Large measurement range with X10 display indicator for values above 999 ppm

Compact and portable design, approximately the size of a toothbrush

Easy operation with simple button controls

High-definition display screen

Titanium alloy probe for enhanced durability

Battery compartment with easy battery replacement

Drinking water quality testing

Tap water, purified water, and industrial water treatment monitoring

Swimming pools, aquaculture, agriculture irrigation water

Aquarium water quality

Environmental water quality monitoring

Greenhouse plants watering

Bottled water and community water stations

TDS value indicates total dissolved solids and reflects water purity; lower TDS values generally indicate purer water

TDS is only one indicator of water quality; comprehensive assessment requires multiple parameters

TDS Water Quality Tester Pen

2 x LR44 button batteries

Protective pen cap