ITEM NAME:Intelligent Backlight LCD PH Meter TDS EC Water Quality Temperature Tester New Description: 100% brand new and high quality. TDS EC PH Meter set is a professional level water test meter. Application: pure water production and drinking, tap water, well water, sea water, fish tank water, swimming pool water, amniotic fluid early break, soil, aquaculture, food processing, saliva, enzyme, chemical experiment, ionized water, PH value of human urine and so on. Specifications: Material:  titanium alloy probe Color: green Measure Range : 0 ppm - 9999 ppm Accuracy : 2% F.S Measure Temperature: 0 - 99 / 32 - 212 Button battery: DC 3V CR2032 230mAh(include) Dimension: about 16.2cm*2.9cm*1.5cm Conductivity: 0 - 9990 s/cm Function: Intelligent Backlight, 4 Digit display, large capacity battery, long life Tips:TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. Package Includes: 1 x TDS EC Temperature Meter 1 x User's manual Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement..Application: pure water production and drinking, tap water, well water, sea water, fish tank water. swimming pool water, amniotic fluid early break, soil, aquaculture, food processing, saliva. Accuracy : 2% F.S.