วัตต์มิเตอร์ วัตต์ฮาวร์มิเตอร์ DDS238-4W 5(60)A 110/230V 50H/60HZ Single phase Wifi Smart energy meter over and under voltage current protection RS485

Specification:
LCD DDS238-4W Single-phase DIN-rail type Watt-hour Meter 50/60HZ
Type: DDS238-4W
Accuracy Class: Class 1
Rate Voltage Output(V): 110-230V
Rate Current(A): 5(60A)
Wifi: Control by phone
Over voltage and under voltage protection set by phone
Over voltage: 100-300V (default: 275V)
under voltage: 100-300V (default: 175V)
Over current protection 1-65A adjustable (default 65A)
Timer: Yes (00:01-24.00 Hour)
Energy meter with RS485

Features:
Measuring positive & negative active energy with negative energy accumulated into positive energy,.
The meter also display three phase real voltage , real current , real active power , real power factor , real frequency
Pulse LED indicates working of meterPulse output with optical coupling isolation 18~27V 27mA.
RS485 communication port and WIFI communication
Measuring active energy without calibration under long term operation
display step by step with button
it can use APP software for data reading and remoter control on/off.
it has overvoltage and undervoltage protection , it can set value from APP
it has overload protection ,it can set value from APP
it has timing control function , it can set value from APP
it can reset the active energy to zero from APP

#วัตต์มิเตอร์ #วัตต์ฮาวร์มิเตอร์ #DDS238-4 #energy meter #Watt meter