ITEM NAME:Probe TDS Meter Tester Range 0-1999PPM Accuracy +-2% F.S. For Test Water Qu E3K3 ☆★ Product Details ★☆ Probe TDS Meter Tester Range 0-1999PPM Accuracy +-2% F.S. For Test Water Qu E3K3 Model:TDS-RO22 Automatic Temperature Compensation:O °C -50 °C Resolution1mg/L(ppm) Battery Type:4*1.5V(AG13) (Not included!!) Dimensions(mm):60x55X23 Accuracy: ±2%F.S Measuring Range: 0- 1999mg/L(ppm) Resolution:1mg/L(ppm) Wide screen display design. You can connect with the water pipe, measuring influent and effluent two parameters can be wall-mounted or embedded,easy installation, operation and maintenance.Measure the tap water coming in vs. The purified water going out of your water filration system at any time. Displays TDS levels of the feed water and product water within&out elctrode probes.Highly efficient and acurate due to its advanced micoprocessor technology. Installs quickly and easily. Display Type:?Digital DIY Supplies:?Electrical colour:black Material:ABS Package Contents: 1 * set TDS Water Tester