BJHT-1 is popularly used for quality inspection company to make supervisory monitoring, random monitoring, on-the-spot testing, and also used for sampling and laboratory center. No need to manual calculation. Machine automatically compute and show result. Features: 􀁺 Smart design; Convenient to carry; 􀁺 True color LCD display screen. Easy to operate and make your work efficient. 􀁺 The voice function allows testing personnel not to see the value and improve test efficiency. 􀁺 USB interface, easy to connect with PC. No need to install any drive program. 􀁺 Advanced low power consumption; working more than 16 hours;