CALL; A.WIHARTA 081294124885 085778084789 087784022201   Info Produk No need to change sensor every time you switch parameters – One tester measures five parameters ( measures pH, Conductivity, TDS, Salinity and Temperature) : : Full pH range measurement at up to 2-decimal places. : : Low, medium and high Conductivity/ TDS ranges – tester measures pure water! : : Multi-range Salinity measurements of up to 10.00 ppt or 1.00 % : : Up to 5-point pH calibration and 3-point Conductivity/ TDS/ Salinity calibration. : : Adjustable TDS factor ( 0.40 to 1.00) and Temperature Coefficient Feature ( 0.0 to 10.0% ) : : Temperature sensor housed within unique dome-shaped casing for faster ATC response and faster measurements. : : ATC/ MTC option : : Scroll-menu with four buttons control for stress-free navigation : : Longest-lasting tester in the market! No tools required to replace sensor. : : " One-press Parameter Toggle" : Switching parameters is just a press of the button. : : Certified IP67 Waterproof – Lightweight tester even floats for easy retrieval.