1. Turn on the power switch and preheat the instrument for 20 minutes.

2. Enter the main interface, select testing, and enter the sample name: adipic acid, starting temperature of 148 ℃, heating rate of 1 ℃/min, stopping temperature of 155 ℃, and τ End, Scope α、β、τ Set the parameters for the fourth item of optical signal setting or choose the default scheme, and then press [Automatic Detection] to enter the corresponding interface.

3. When the actual temperature stabilizes to 148 ℃ (there will be a buzzer prompt), place the capillary tube containing the sample and wait for the temperature to stabilize to 148 ℃. (Note: After placing the sample, the furnace temperature will slightly decrease, so it is recommended to press the temperature rise button after the temperature stabilizes.) Press the [Raise] button. When the tested sample reaches the initial melting level, the instrument will automatically display the initial melting value; When the tested sample reaches the final melting level, the instrument will automatically display the final melting value.