DDSU666-H Smart Power Sensor
User Manual
2 Overview
Issue 01 (2018-05-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
6
Figure 2-2
Conceptual diagram
Functions
Metering function:
Accurately metering the positive/ reverse active energy and combined active energy, no
storage data loss for the sensor after power interruption.
Measurement function of electrical parameters
The sensor can accurately measure electrical parameters including power, voltage,
current, frequency, power factor, etc.
Display function
The instrument adopts field LCD design, characterized with display function for electrical
parameters and energy data. Please see LCD display in Figure 2-3 Liquid crystal display.
The display bit of energy measurement value can be six bits, with display range from 0 to
999999kWh.
Figure 2-3
Liquid crystal display
Cyclic display
Characterized with cyclic display function, the shift time of cyclic display is 5s. Please see the
cyclic displayed item in Table 2-1 Cyclic displayed items.
Table 2-1
Cyclic displayed items
No.
Content
Description
