The professional pH meter is a reliable tool for testing water quality. Suitable for aquariums, pools, and environmental water monitoring. Features: - pH meter with replaceable electrode - Large, clear LCD with backlight for easy reading and accurate measurements - Simple to operate, durable construction - Standard glass electrode pH meter - Automatic Temperature Compensation (ATC) function - CE and RoHS certified for safe and precise measurement - Ideal for use in water sources, aquariums, hydroponics, spas, swimming pools, and other water systems - Easy electrode replacement meets various industrial testing requirements Specifications: - pH range: 0.0014.00 - Resolution: 0.01 pH - Accuracy: 0.1 pH - Temperature compensation range: 050C (32122F) - Operating temperature: 050C (32122F) - Calibration mode: ATC - Power supply: 4 x 1.5V AG-13 button cell batteries (not included) - Color: Red - Material: ABS - Device dimensions: Approx. 18 x 5 x 2.5 cm (7.1 x 1.9 x 1.0 in) - Device weight: Approx. 57.1 g (2.0 oz) - Package dimensions: Approx. 21 x 10.4 x 5 cm (8.3 x 4.1 x 1.9 in) - Package weight: Approx. 144 g (5.1 oz) Package Contents: - 1 x pH Meter - 1 x User Manual - 1 x Screwdriver