Hiking DDS238-4 W - Basic Features of the Meter; Tolerance and Consumption; LCD Display Information

must last 3s , then it will cut off.
2.2 Technical Parameters
2.2.1 Basic tolerance
Load
current(A)
Power factor
(Cos
Φ
)
Basic error(%)
1.0 class 2.0 class
0.05Ib 1.0 +1.5 +2.5
0.1Ib
—
Imax 1.0 +1.0 +2.0
0.1Ib 0.5(lag) +1.5 +2.5
0.8(advanced) +1.5
02Ib
—
Imax 0.5(lag) +1.0 +2.0
0.8(advanced) +1.0
2.2.2 Self-consumption
Current circuit is less than 1.5VA
Voltage circuit is less than 2W/8VA
2.2.3 Starting current
Under the rated voltage , rated frequency and COS
Φ
=1 , the meter shall start and continue to
register on application of 0.2% In (if CT is used) or 0.4% Ib .
2.2.4 Anti-creeping
The meter has anti-creeping logical circuit. When 115%Un is connected to the meter and
current circuit is cut , the meter shall not create more than one pulse in a stipulated time
2.2.5 Average-life
The meter can be used for at least 10 years in normal operation specified in this manual
2.2.6 LCD: 6+2 (999999.99kWh)
3.Basic Features
3.1 Measuring positive & negative active energy with negative energy accumulated into positive
energy,.
3.2 The meter also display three phase real voltage , real current , real active power , real power
factor , real frequency
3.3 Pulse LED indicates working of meter ， Pulse output with optical coupling isolation
18~27V 27mA .
3.4 RS485 communication port and WIFI communication
3.5 Measuring active energy without calibration under long term operation
3.6 display step by step with button
3.7 it can use APP software for data reading and remoter control on/off.
3.8 it has overvoltage and undervoltage protection , it can set value from APP
3.9 it has overload protection ,it can set value from APP