TH100/TH200/TH300西门子温度变送器7NG3211 7NG3212（现货）

西门子温度变送器TH100：7NG3211-0NN00/7NG3211-0AN00/7NG3211-0BN00
西门子温度变送器TH200：7NG3211-1NN00/7NG3211-1AN00/7NG3211-1BN00
西门子温度变送器TH300：7NG3212-0NN00/7NG3212-0AN00/7NG3212-0BN00
西门子温度变送器TH400：7NG3214-0NN00/7NG3214-0AN00/7NG3214-0BN00

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