3 in 1 pH ORP TEMP Meter

Features:
Widely used to measure the pH / Temperature / ORP (Oxidation Reduction Potential) of water.
Easy calibration of pH/ORP with just a mini-screwdriver and ATC function(automatic temperature compensation).
Pocket size, lightweight and portable with large LCD display for clear and easy reading. 
Waterproof IP65 and replaceable sensor probe - The electrode probe can be replaced with replaceable design for convenient and fast replacement.
Test temperature in ℃ / ℉(switchable units), easy operation digital water quality tester.
Apply in water sources, soil-free growing, aquarium, hydroponics, laboratory, spas, environment water, swimming pools, water purification systems, etc.

Specifications:

Range: pH: 0.00 ~ 14.00pH
            ORP: 0 ~ ±1999mV
            Temperature: -50℃ ~ 70℃ (-58℉ ~ 158℉)
Resolution: pH: 0.01pH 
                   ORP: 1mV
                   Temperature:0.1℃(0.2℉)
Accuracy: pH: ±0.1pH
                ORP: ±5mV
                Temperature: ±1.0℃(±2℉)   

Temperature Compensation: 0℃ ~ 50℃ (32℉ ~ 122℉)
Working Temperature: 0℃ ~ 50℃ (32℉ ~ 122℉) 
Power Supply: 4 * 1.5V LR44 Button Cell Battery (NOT Included)
Item Size: Approx. 188 * 37 * 37mm / 7.4 * 1.5 * 1.5in 
Item Weight: Approx. 75g / 2.7oz
Package Size: Approx. 25 * 10.5 * 5cm / 9.8 * 4.1 * 2.0in
Package Weight: Approx. 152g / 5.4oz