Professional COM-100 EC Analyzer TDS Meter Temp Tester With Automatic Calibration And Data Hold Measurement Tools For pool<br> EC Range: 0 - 9990 S; 0 - 9.99 mS<br> TDS Range:<br> 0 - 8560 ppm (mg/L)0.7(442)scale;<br> 0 - 8.56 ppt:0.7(442)scale,0-500PPT;(NACI)scale<br> 0-5000ppm(mg/L);0.5(NACL)scale<br> Temperature Range: 0-55 C; 32-130 F<br> Resolution:<br> EC:0-99:0.1S;0-999:1S;1000-990:10S;0-9.99ms:0.01ms<br> TDS:0-99:0.1ppm;100-999:1ppm;1000-9990:10ppm;1-8.56:0.01ppt<br> Temp. resolution:0.1 C/F<br> Accuracy: +/- 2%<br> Calibration: Digital calibration by push button.<br> Power source: 2pcs AAA Battery(Not included).<br> Colour: As Shown<br> Material: Plastic<br> Package Contents:<br> 1*water quality detector<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store