MM1313亚洲国产精品无码试看,西西人体大胆www4444con,成人视频在线观看啪啪,深操美女

SIRAX BT5700液晶顯示電能表Universal measuring device

The universal measuring device SIRAX BT5700 is suited for fixed mounting and the measurement of Voltage, current, frequency, power, energy (active / reactive / apparent), power factor, phase angle, etc in low voltage switchgear. The units are designed for unbalanced load network forms of 3-phase mains with 3- or 4-wire
SIRAX BT5700液晶顯示電能表Functions
- Well-visible two-line indication of measured data with backlit LCD display
- Easy on-site operation and parameterization
- Automatic cyclical scrolling of measured data
- Integrated active and reactive energy meters