Lutron PH-220S Infrared Thermohygrometer

Features:

* Complete set with separate soil, spear tip pH electrode and pH 4 and pH 7    standard solution.    
* Meter : 0 to 14 pH x 0.01 pH. Electrode : 1 to 13 pH.    
* Auto calibration for pH 4, pH 7 or pH 10.    
* Temp. adjustment is not necessary.    
* IP-65 water proof.    
* Build in reverse display button.    
* DC 1.5V battery ( UM-4, AA ) x 4, long life.    
* Spear tip pH electrode, ideal for penetration    pH measurements into soil, meats, cheese and other type of measurements requiring sample penetration.