? ??Accurate and Reliable??Equipped with titanium probes and sensors, this TDS meter ensures precise readings for drinking water, aquariums, or hydroponic systems, providing reliable water quality assessment. ? ??Instant and Simple??With an intuitive design, this TDS meter simplifies water quality testing. Get accurate results immediately without complex procedures, allowing for quick and informed decisions. ? ??Wide Measurement Range??Covering 0-9990ppm and 0-9990|��s/cm, this versatile TDS meter is suitable for various applications from tap water to reverse osmosis systems, meeting diverse needs in homes, laboratories, or industrial settings. ? ??Energy Efficient??Features an auto-shutoff function after 5 minutes of inactivity, conserving battery life and reducing energy consumption. This thoughtful feature extends its lifespan and ensures readiness for use. ? ??Factory Calibrated??Enjoy hassle-free setup with this factory-calibrated TDS meter. Designed for out-of-the-box accuracy without manual calibration, saving time and effort while ensuring reliable and consistent measurements. ? ??Compact and Portable??With its sleek design, this TDS meter is easy to carry anywhere. Whether traveling, conducting field studies, or testing water quality at different locations, its lightweight design ensures worry-free transport. Specifications: ?Product function: Test TDS value ?Measurement range: 0-9990ppm ?Working environment: 0-60?? ?Product battery: 2*1.5V (button battery), 130mAh ?Product probe: alloy probe ?Product size: 140*24*14.5mm Package included: ?1 x TDS Water Quality Test Pen