***อ่านคำเตือนในฉลากและเอกสารกำกับเครื่องมือแพทย์ก่อนใช้
Warning!
1. Be sure to use AC for the power supply voltage.
2. Please connect to 3P socket, be sure to use by grounding, otherwise it will be easy to get an electric shock.
Caution!
1. Use the instrument in places without water.
2. Don't put it in places with high temperature, moisture, direct sunlight and dust, and don't put in places with salt and sulfur.