Ammeters need to pay attention to matters

Notes on the current meter 1. Check the contents of the ammeter before it is put into operation: a. Make sure that the current signal is properly connected and that there is no open circuit phenomenon; b. Determine the phase sequence of the current signal is correct; c. Determine that the power source meets the requirements and is correctly connected; d. Make sure the communication line is correctly connected;

2. Notes on the use of ammeter: a. Strictly follow the operating rules and requirements of this manual, and prohibit any operation on the signal line. b. When setting (or modifying) the ammeter, be sure to set the correct data so as not to cause abnormal operation of the ammeter or test data error. c. When reading the ammeter data, strictly follow the operating instructions and this manual to avoid causing errors.

3, the ammeter to remove the order: a. disconnect the ammeter power; b. the current signal line shorted first, and then removed; c. remove the ammeter of the power line and communication line; d. remove the equipment, keep it safe.