The 3 in 1 water quality monitor is professional and useful tool for testing pH / ORP !#!amp!*! TEMP of solution level. Perfect for wide applications， such as beverage， fish hatcheries， food processing， aquarium， photography， laboratory， quality control， school !#!amp!*! colleges， swimming pools， water conditions.?

Features:?
Apply in water sources， aquarium， hydroponics， spas， swimming pools and other water systems.?
Automatic temperature compensation.?
Use to measure the pH / ORP !#!amp!*! TEMP of solution.?
Easy calibration of pH and ORP with just a mini-screwdriver.?
Can online monitor for a long time.?
Large and clear LCD with backlight， easy to read and accurately measuring functions.?
Separate pH， ORP and TEMP electrode， ATC function.?

Specifications:?
Temperature Unit: ℃ / ℉ (Optional)?
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℃ (±2℉)?
Temperature Compensation: 0℃ ～ 50℃ (32℉～ 122℉)?
Working temperature: 0℃ ～ 50℃ (32℉ ～ 122℉)??
Length of ORP/pH Electrode Line: Approx. 118cm / 46.5in?