With 3-wire and 4-wire real reactive reference standard, it is capable of calibration for various artificial reactive or real reactive watt-hour meter.
具有三线、四线真无功标准，能满足各类人为无功或真无功电能表的检定。
With 3-wire and 4-wire real reactive reference standard, it is capable of calibration for various artificial reactive or real reactive watt-hour meter.
具有三线、四线真无功标准，能满足各类人为无功或真无功电能表的检定。
应用推荐