1. Turn on the Chigo zg7020 thermometer;
2. Select the mode, including alarm clock, time, 12/24 hour clock, year, month and day.
Usage environment: the product needs to be used in an indoor environment of 0~50 degrees, and data anomalies may occur below 0 degrees or above 50 degrees.
Thermometer is the general name of temperature measuring instruments. According to the different temperature measuring materials and ranges, there are kerosene thermometers, alcohol thermometers, mercury thermometers, gas thermometers, resistance thermometers, thermocouple thermometers, radiation thermometers, light thermometers and infrared thermometers.