国产精品一级18一级毛片_亚洲日韩在线观看亚洲专区_九九视频精品在线6_奇米影视第四狠狠&_日本人妻激情澎湃_99久久综合精品网站亚洲_亚州中文Av在线_午夜一级毛片免费看_做暧暧的视频完整视频免费_欧美成人亚洲日韩一区二区

SIRAX BT5700液晶顯示多功能電量表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.   
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

SIRAX BT5700液晶顯示多功能電量表