Portable Pen  Digital Water PH Meter Filter Measuring Water Quality Purity Tester  Hydroponics tds Conductivity  Meter

The 2 in 1 water quality monitor is professional and useful tool for testing pH / tds  of solution level. Perfect for wide applications， such as beverage， fish hatcheries， food processing， aquarium， photography， laboratory， quality control， school & colleges， swimming pools， water conditions.

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

Specifications:  
Range: pH: 0.00 ~ 14.00pH  
    tds: 0.00 ~ 1999ppm/cm
Resolution: pH: 0.01pH  

Accuracy: pH: ±0.1pH      
     tds:±2%F.S        
Temperature Compensation: 0 C ~ 50 C  
Working temperature: 0 C ~ 50 C  
Power supply: DC 6V (Power-supply Adaptor)  
Plug Type: EU  
Battery: 4×1.5V AG-13 Button Cell Batteries (NOT Included)  
Color: Blue  
Item Body Size: Approx. 75 * 55 * 28mm  
Item Weight: Approx. 60g