TH200 西門子溫度變送器 7NG3211-1NN00 現貨 西門子溫度變送器TH200：7NG3211-1NN00/7NG3211-1AN00/7NG3211-1BN00 輸入：熱電阻、熱電偶、電阻、毫伏 輸出：4-20MA 測量溫度：0-1200度 二線制 TH100/TH200/TH300 西門子溫度變送器 7NG3211 7NG3212（現貨） 西門子溫度變送器TH100：7NG3211-0NN00/7NG3211-0AN00/7NG3211-0BN00西門子溫度變送器TH200：7NG3211-1NN00/7NG3211-1AN00/7NG3211-1BN00西門子溫度變送器TH300：7NG3212-0NN00/7NG3212-0AN00/7NG3212-0BN00西門子溫度變送器TH400：7NG3214-0NN00/7NG3214-0AN00/7NG3214-0BN00