pH Meter from Hanna. PHEP 5. The best meter we have found for the money. Features dual level display (pH and Temperature), battery low indicator, replaceable pH electrode featuring and extendable junction, rugged case (floating and waterproof), automatic calibration and measurement stability indicator. Made in Italy. ISO 9002 certified. Range 0-14. Temperature range 32-140 deg F.. Accuracy at 68 deg F. is + or - .01 pH. Great for testing beer, wine or cheese.