The 6-in-1 meter can be used to continuously monitor temperature, pH, TDS in a wide range of applications, including living environments such as hydroponic nutrient solutions, aquariums, swimming pools, spas, laboratories, etc. With this sensitive, efficient, accurate and portable meter, switching meters to measure solution pH, C or F and EC, CF or TDS will no longer be a hassle! feature: * 6-in-1 meter: EC, CF, C, F, TDS, pH* Easily calibrate pH and TDS with just a mini screwdriver* Automatic temperature compensation (without this, pH readings will change with temperature). * Large tertiary display* Side covers for storage and protection of electrodes* The suction cup attaches the electrode to the inner wall of a container, tank or reservoir, etc. * CE certified for safer and more precise measurements* Silicone leather case can protect the meter from scratches