Cheap And Discounts AC0-100A,300A,500A,800A,1000A,1500A,2000A AC ampere transmitter 4-20mA Perforated current sensor hall sensor Wholesale. Buy Directly From Merchant Shanghai Chujing Electric Co.,Ltd. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.