1Widely used to test the PH/ temperature/conductivity of water and and exquisite technology make the instrument power consumption very low and the measurement data is stable. 2Adopt relay output power outlet, can control PH value according to need. 3You can replace the fuse easily and quickly and remove and replace PH electrode. 4Clear LCD screen with backlight, 3 results displayed at the same time, easy to use and provide instant display of results. 5The test temperature is in degrees Celsius/Fahrenheit (switchable unit), and the pH value can be monitored and controlled online for a long time. 6Ph /EC can be calibrated easily with a miniature screwdriver and automatic temperature compensation. 7Easy to operate and portable to carry around. High accuracy and fast response, providing fast, accurate and reliable reading data. 8Suitable for water source, soilless cultivation, aquarium, hydroponic, laboratory, hot spring, environment water, swimming pool, water purification system, etc.1 x Water Quality Detector1 x PH Electrode1 x Temperature Electrode2 x Suction Cup4 x Bolt1 x Screwdriver1 x Instruction4 x Screw