The Fruit Hardness Tester is a handheld compact penetrometer for fruit and some vegetable hardness testing. FHT series fruit hardness tester is an indispensable tool for growers. By measuring force required to plunge into fruit pulp, inferring ripeness, FHT assists in determining the picking time or monitoring softening during storage. With Max. Hold, Unit Converse Functions. Use USB/RS-232 data output to connect with PC. (Optional Accessories) 15