Milwaukee Instruments pH WP Waterproof pH Tester ventilation so it has no adverse

so it has no adverse effect on the aesthetics of ponds and water features

Includes transparent electrode cover/sample cup

The most popular ONA product

Excellent PAR output (2100 µmol/s)

Operates on a 120/240/277v power supply

Milwaukee Instruments pH WP Waterproof pH Tester ventilation so it has no adverseRange 2. 0 to 16. 0 pH Resolution 0. 1 pH Accuracy 0. 1 pH ATC automatic Calibration 2 points automatic User select 6 buffer types Environment 32 122F (0 50C) Display LED & push to hold Auto Off after 8 minutes of non use Battery life 300 hours of use Battery type 1. 5V button 4 Included Unit is labeled "Martini Instruments". Martini Instruments is a laboratory equipment division of Milwaukee Instruments.