$24.21 $28.44
Description: Product Name: Water Quality Test Pen Measuring range: pH:0.00-14.00ph; TDS:0-19999ppm; EC:0-19999μs/cm Resolution: 0.01 ph; 1ppm; 1μs/cm; 0.1°C; 0.1°F Accuracy: ph: +/-0.01 ph; TDS/EC: +/-2%; Temperature: 0.5°C Battery: 3*1.5V LR44 button battery (not included) Temperature: 0.1-60.0°C; 32.0-140.0°F Calibration: ph: 3-point automatic calibration (6.86 and 4.00 and 9.18ph); TDS: 1413μs/cm; EC: 1413μs/cm Packing list: Water Quality Test Pen x 1 PH Buffer Powder x 3 Instruction x 1 Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.