Three-phase mechanical meter old home

Single-phase meter (220V) three phase mechanical meter controllers, use the inverter principle. The 50 electric Hao Edmunds, into 320 -460 Hao Hao hereby hereby current enters through the two-way meter current coil so that the meter reverse; Jun design specifically for mechanical design meter; do not remove the meter, convenient and practical; two Species adjustment mode: the meter accuracy calibration, the meter reading adjustment; can control the meter stall, slow turn and reverse; adjust speed, the entire computer chip design, long life and current protection circuit, a dedicated safety device, will not damage a wide range of equipment for all types of single-phase electronic meter mechanical watches, it is an electrician or have people who need it the ideal tool to adjust the table! Use of a three-phase mechanical watches controller 40A, a 500A. Please use when detailed investigation of your power meter. Detailed product operating instructions will be included in the product which you order, please do not worry about operational issues. Illustrated, easy to understand. Note: The recent customer complaints people selling counterfeit our products, please look for the majority of customers being Qin instrument sales: 1. guests personally to my face inspection plant. The effect is significant! If invalid, I plant reimbursed travel expenses. 2. Welcomes the industry wholesale, agent, low prices, the National Employment salesman, details inquire. 3. solemnly declare: the mall to buy essential goods for legitimate channels, or peril! The retail price can Kuandaofahuo to be cash on delivery, and if you need to be paid 100 yuan cash on deposit (ie from the freight), the balance collected by the shipping company. After the remittance please immediately telephone contact to confirm your address, name (ID name), telephone number, product type, quantity and the like; Why cash on first down payment? A: prevent malicious orders. In the absence of the deposit received, a lot of customer orders or malicious orders will be free, will not mention, but we will lose 1. ?? Double fee shipping and returns. 2. ?? And from double shipping. 3. ?? Cargo to and from the Ministry of Transport and freight inventory returned after nearly a month, the impact of our goods turnover. 4. ??? Wasting our artificial material