Temperature compensation: Through temperature and humidity compensation technology, the measurement accuracy is higher and the stability is better. A wide working range and a variety of sensors are optional to adapt to different measurement objects Data storage: Current value, maximum value, minimum value, and average value are displayed simultaneously. Built-in storage can store more than 100 sets of data Automatic calibration: Built-in multiple sets of measurement curves, which can be calibrated according to the object Easy to carry: small size, light weight, strong anti-interference performance, can be carried on site for rapid detection Moisture warning: backlight LCD display technology, clear display, low power consumption. Alarm function; automatic shutdown power saving function