ITEM NAME:2Pcs Digital 0.0-14.0 PH Meter Tester 0-9990Ppm Digital TDS EC LCD Water Pu N9K9 2Pcs Digital 0.0-14.0 PH Meter Tester 0-9990Ppm Digital TDS EC LCD Water Pu N9K9 Easy to Use:Simply immerse the pH meter electrode in the solution to be tested, readings are quickly display on a large lcd display Wide Application:perfect instrument for any aquarium, the fishing industry, swimming pools, spa, school laboratories, food & beverage, drinking water etc. Auto Calibrated:Features in-built calibration with 2 buffer powders(included).Just press a button to finish the calibration.This pH meter is factory calibrated.Users can use it directly. Fast and Accurate Results:No need to work with those annoying color charts and test strips.Resolution:0.01 pH, Accuracy:+/-0.01 pH Compact Portable Design:Pocket fitting pH meter that's also lightweight and compact.Total concealed fit in your bag or pocket for easy, casual carrying. Display Type:Digital With Backlight Or Not:No Display:LCD Digital Accuracy:0.01 Resolution:0.01 Operating Temperature:0~60Â °C Measuring Range:0.00~14.00 Probe Type:Precision glass bulb electrode Measurement Range: Conductivity:0 - 9990 ÃŽ ¼s/cm TDS:0 - 5000 ppm (parts per million) Degrees Celsius:0.1 - 80.0Â °C Fahrenheit:32.0 - 176.0Â °F Accuracy:+/- 2% Net weight:55g colour:Yellow + blue Material:plastic Size:Ph meter size:about 154mm Package Contents: 1*ph meter 1*ec test pen 2* test powder.TDS:0 - 5000 ppm (parts per million). 1 ec test pen. Display:LCD Digital. Display Type:Digital. Probe Type:Precision glass bulb electrode.