pHTestr™ 1 and pHTestr™ 2 Waterproof pH Testers
Waterproof, Dustproof Housing - IP67 rated, maintains the integrity of your tester even in harsh conditions. Plus it floats!
User-Replaceable Sensor - reuse the same meter body
Microprocessor-based Functions - for fast, stable readings
Push-Button Calibration with Auto-Buffer Recognition -