Product description: the lodging of maize, sorghum and tobacco has caused insufficient illumination, and in turn enormously limited crop yields for a long time. Meanwhile, it has also caused great difficulties in crop mechanized harvesting, thus a lot of grains have been wasted. This instrument can test plant stem strength, and it applies to genetic breeding in agriculture as well.Features: 1. Data can be shown on a big lcd with screen rotation function; 2. The instrument can be connected to computer for trial test, data downloading, printing and analysis. Several parameters such as input speed, area can be converted to displacement and pressure, respectively; 3. The instrument is equipped with various kinds of platens for convenient measurement; 4. It is easy to use, time saving, and of high precision; 5. The instrument can show remaining battery life and it can automatically power off when battery life is low. 6. The instrument is equipped with spiral test platform, ladder-shaped screw rod and hand wheel for easy and steady operation.