Lutron PH-222 Pen PH Meter

PEN PH METER
Model : PH-222
* 0 to 14.00 pH.
* ATC ( auto temperature compensation ).
* Auto calibration for pH 4, pH 7 or pH 10.
* Meter with pH electrode, all in one.
* IP-67, water proof.
* Easy replacement for the pH electrode.
* Pen type, easy carry out.
* Data logger.
* pH 4, pH 7 standard solutions are included.
* DC 1.5V battery ( UM-4, AA ) x 4, long life.