1：高灵敏度
型号：
TF2-3V TF2-5V TF2-12V TF2-24V
TF2-H-3V TF2-H-5V TF2-H-12V TF2-H-24V
TF2-L-3V TF2-L-5V TF2-L-12V TF2-L-24V
TF2-L-H-3V TF2-L-H-5V TF2-L-H-12V TF2-L-H-24V
TF2-L2-3V TF2-L2-5V TF2-L2-12V TF2-L2-24V
TF2-L2-H-3V TF2-L2-H-5V TF2-L2-H-12V TF2-L2-H-24V
