Каталожный номер: 3394417
used to monitor water quality measures PH, EC, TDS and TEMPERATURE Large LCD screen to display the result including instruction manual, 3 batteries and 3 powder PH solutions 250ml: PH 4.01 / PH 6.86 / PH 9.18 measuring ranges: PH: 0-14 PH TEMPERATURE: 0-50°C / 32-122°F TDS: 0-1999 ppm / 0-19.99 ppt EC: 0-1999 uS/cm / 0-19.99 mS/cm Dimensions: 188×35×35 mm WATERPROOF