pH Truncheon™ Meter PH TRUNCHEON CONTACT RINGS ( 3 PACK) With its 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 flashing lights you love so much; the easiest calibration system ever; reliability only Bluelab® products can provide; longest lasting probe on the market AND it's replaceable; auto on just like the Bluelab® Truncheon; Automatic Temperature Compensation; a scale of 2.0pH - 10.9pH. 3 year Bluelab® Guarantee (1 year for probe).  | Manufacturer's Product Information |  | | 2007 MSRP Each $ | 10.95 | Case Weight | 0.01 LB | Case Dimensions | 4.75 x 1.5 x 0.25 IN | Case Quantity | 1 | | — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. * Special Order Item: made to order by the manufacturer, can take 2-6 weeks to ship, and cannot be canceled, returned or exchanged once ordered. |