ORP 3-in-1 pH Temperature Test Pen

General Description: Do you want to check if the pH, temperature, and ORP (redox potential) of your drinking water meet the standards? This 3-in-1 test pen is the ideal tool for you. It features automatic temperature compensation, allowing for accurate and stable readings within a range of 0 to 50°C. This device is suitable for use in swimming pools, aquariums, hydroponic systems, laboratories, and other aquatic environments.

Technical Specifications Type: pH/ORP & TEMP-689 Measurement Range: pH: 0.00 to 14.00 pH ORP: 0 ± 1999 mV Temperature: -50 to 70 ℃ (-58 to 158 ℉) Resolution: pH: 0.01 pH ORP: 1 mV Temperature: 0.1 (0.2) Accuracy: pH: ± 0.1 pH ORP: ± 5 mV Temperature: ± 1.0 (± 2) Temperature Compensation: 0 to 50 ℃ (32 to 122 ℉) Operating Temperature: 0 to 50 ℃ (32 to 122 ℉) Power Supply: 4 * 1.5V LR44 button cell batteries (not included) Item Size: 188 * 37 * 37 mm / 7.4 * 1.5 * 1.5 in Item Weight: 75 g / 2.7 oz Package Size: 25 * 10.5 * 5 cm / 9.8 * 4.1 * 2.0 in Package Weight: 152 g / 5.4 oz Compatibility and Accessories Replaceable electrode probe for quick and convenient replacement Usage This digital water quality tester is easy to use and measures pH, temperature, and ORP of water. It is ideal for water sources, hydroponics, aquariums, spas, water purification systems, and much more.