With it's easy to read illuminated display, one-touch calibration system, super clear instructions and no buttons to push, measuring pH just got a whole lot simpler. The long lasting probe is replaceable; auto on just like the Bluelab Truncheon; Automatic Temperature Compensation and a scale of 2.0pH - 10.9pH. The Bluelab pH Truncheon has a Double Junction probe for longer life. Every Bluelab pH Truncheon comes with three well packaged Contact Rings. The contact ring stops contamination getting into the reference cell and extends the life of the probe.

$179.95 $134.96