Our range of AMPPH - PENTYPE PH METER are economical range of easy to use and reliable hand held pen type meters. An important feature of the testers is the compact single chamber design. The meter gives accurate readings with its Built-in temperature sensor and can be easily calibrated. The meter is provided with an Auto Off function o enhance the battery life of the LR44 batteries. Also a hold function helps the user to Read and Record results with ease and convenience. These meters are cost effective and come encased in a protective case for safety and portability.