The integrated Leeb hardness tester SH-400 adopts an OLED high LCD display screen with clear display; USB interface, connecting computer and charging; Equipped with 360 degree automatic recognition of commonly used impact directions; Can store 600 average values; The upper and lower limits of the hardness value can be pre-set, and there will be a display prompt if it exceeds the range, which is convenient for users to measure in batches. It has voltage display and undervoltage prompt, and undervoltage automatic shutdown function; Equipped with software calibration function for indication; Use replaceable high-capacity lithium batteries; Using healthy film to prevent dust; According to user requirements, microcomputer software can be configured with more powerful functions to meet higher requirements for quality assurance activities and management. High end models support Bluetooth printing function and wireless data transmission; Power on button with clear identification and anti misoperation design; High quality USB interface; Innovative design of external sensor interface, the high-end version can be externally connected to a full range of sensors (D/DC/D+15/C/G/DL); Large anti slip shell design, surface sprayed with anti slip paint, excellent grip, unique groove design, in line with ergonomics; Equipped with a high brightness charging indicator light, indicating the charging status; The replaceable large capacity lithium battery is convenient for later maintenance.