Pinpoint pH Monitor
Constantly monitor the pH of your aquarium. Precision pH monitor immediately detects changes in aquarium pH. Powered by a 9V battery (not included); "LOBAT" indicator signals for a replacement. Accuracy of �0.01 and and large, easy-read display shows pH to 1/100th of a unit. Lab-grade epoxy electrode features a BNC connector. The PINPOINT pH Monitor comes complete with probe and calibration fluids. Measures 3" x 5". For salt or fresh water use.