Milwaukee Instruments
sm500-milwaukee

kangen water tester

The older green model has been replaced with the new milwaukee mw500 orp meter
The milwaukee sm500 orp meter is a top of the line unit see the link above for specs Great for testing Orp Kangen Water This model is now the mw500

Includes Plantinum Electrode  probe

Power adapter

Large display.

Full specs on orp meter sm500here