Data compensation: Through temperature and humidity compensation technology, the measurement accuracy is higher and the stability is better Multiple environments: A wide working range and a variety of sensors are available to adapt to different measurement objects Intelligent system: Current value, maximum value, minimum value, and average value are displayed simultaneously. Built-in storage, which can store more than 100 sets of data Energy saving and environmental protection: Built-in multiple sets of measurement curves, which can be calibrated according to the object. Backlit LCD display technology, clear display, low power consumption Lightweight and compact: small size, light weight, strong anti-interference performance, can be carried on site for rapid detection