Now you can get instant pH readings from spray tank and irrigation water with this economical waterproof pH meter. Two point dial calibration gives you accurate readings. Two 3,000-hour batteries included, 0.01 pH resolution, 0-14 pH range. Includes one pint each of 4 and 7 pH calibration solutions. Meter is 7" x 2" x 1", weighs 2.5-oz. Imported.
2013 Master Catalog: Page 496