Three-in-one meter design: The pH meter can be used to measure pH, EC and solution temperature. You can use the igital PH tester in many places, the digital PH tester has a handheld hanging hole design, Humanized design: the water tester has automatic temperature compensation, can replace the probe of electrode and easily calibrate PH and EC with a miniature screwdriver. Temperature measurement range: The temperature measurement range is -50C to 70C, which can withstand harsh harsh conditions and provide longer service life. Clear: The PH meter water quality monitor features a large, clear LCD display with backlight, easy to read and accurate measurement functions. You will find an easy-to-read plant pH meter Applicable places: The hydroponic water test pH meter is suitable for water sources, aquariums, hydroponics, laboratory and scientific testing, to hot springs, swimming pools and other water systems. Features: 3-in-1 meter design. It can be used to measure pH, EC and solution temperature. User-friendly design. Automatic temperature compensation, replaceable electrode probe, easy pH and EC calibration with a mini screwdriver. Temperature measurement range between -50~70, able to withstand harsh conditions, providing more durable services. Large and clear LCD display with backlight, easy to read and accurately measure functions. Apply in water sources, aquariums, hydroponics, laboratory and scientific testing, spas, swimming pools and other water systems. Pocket design with hanging hole, easy to carry, simple to use and convenient for storage. Specification: Condition: 100% Brand New Material: ABS Color: Gray Power Supply: DC 6V Battery: 4x1.5V AG - 13 batteries (Included) Operating temperature: 0~50/32~122 Compensation temperature: 0~50/32~122 Accuracy: PH: 0.1pH CE: 2%FS Temperature: 1 (2) Resolution: PH: 0.01pH EC: 10us/cm Temperature: 0.1 (0.2) Measurement range: PH:0.00 ~14.00pH CE: 0.00~19990us/cm Temperature: -50~70/-58~158 Product size: approx. 18 x 35mm/7.1 x 1.4inch Package Weight: Approx. 169g Package Included: 1 x PH/EC/TEMP Meter Note: Please note that the new type and the old type of this product will be sent randomly, and make sure you don't mind before ordering.