Function	Description
Energy Measurement	kWh (positive and negative)
	kvarh (positive and negative)
	A,B,C three-phase positive kWh
Electric Parameter	U, I, P, Q, S, PF, Hz
Harmonic	2-31st voltage and current harmonic
Communication	RS485 (MODBUS-RTU); baud rate 1200~38400
Key Programming	4 keypads to set communication and parameters
Display	LCD display, 8 digits
LED Alarm	Over-voltage, over-current, interruption phase
Data Log	Maximum demanded kWh and the time it happened.
SOE	up to 200 pcs, record on-off status of DO/DI
Pulse Output	Active optocoupler pulse output with open collector
Multi-rate/Tariff	4 time zones & 12 time periods

Expanded Module	Description
AWT100 Communication Module	4G (Global general module)
	2G
	LoRaWAN (868 MHz, 923MHz)
	LoRa (460~510 MHz)
	NB-IoT
-MK Swtich Module	12 × DI (input)	Dry contact input with built-in power supply
	4 × DO (output)	Relay normally open contact output; rating AC 250V/3A ,DC 30V/3A
	Power Supply	DC 12V；consumption:≤1W；RJ45 interface
	Communication	RJ45 interface; MODBUS-RTU (communication with main body)
-MTC Temperature & Residual Current Measuring Module	Temperature Measurement	-20℃~+100℃
	Residual Current Measurement	10~3000 mA
	Accuracy	Temperature：± 2℃； Residual Current：1% (Class 1)
	Power Supply	DC 12V；consumption:≤1W；RJ45 interface
	Communication	RJ45 interface; MODBUS-RTU (communication with main body)

Parameters	Description
Input	Voltage	AC 3×220V/380V
		Overload: 1.2 times of rated value (continuous); 2 times of rated value / 1s
		Power consumption:≤ 0.5VA
	Current	AC 5A、100A、400A、600A;(external open-type CT)
		Overload: 1.2 times of rated value (continuous); 10 times of rated value / 1s
		Power consumption:≤ 0.5VA
	Frequency	45～65Hz
Measuring Accuracy	Voltage&Current	Class 0.5
	Active Power	Class 1
	Reactive Power	Class 2
	Frequency	0.05Hz
	2~31st harmonic	± 1%
Auxiliary Power	AC/DC 85～265V;consumption≤10VA;
EMC	Better than grade 3
Safety	Withstand Voltage	＞AC 2000V/1min
Safety	Insulation Resistance	＞100MΩ
Environment	Working Temperature	-20℃~+60℃
	Storage Temperature	-40℃~+70℃
	Humidity	≤95% (No condensation)
	Altitude	≤2500m

Multi-circuits Monitoring ● Monitor up to 4×3-phase circuits in total ● Paired CTs with specs of 5A/1.25mA; 100A/20mA; 400A/100mA or 600A/100mA ● External CTs Connectwith ADW210 Main Body thrrough RJ12 Interface
Expanded Communication Module --- AWT100 ● 4G (Global general module) ● WiFi ● LoRaWAN ● LoRa ● NB-IoT
Cable Temperature&Residual Current Measurement Module --- MTL ● Temperature Measurement:-20℃~+100℃ ● Residual Current Measurement:10~3000 mA ● Accuracy：Temperature：± 2℃; Residual Current：1% (Class 1)
DO/DI Switch Extra Function Module --- MK ● 12 channel DI (Digital Input) ● 4 channel DO (Digital Output)

DTSD1352-4S Multi Circuits 1-Phase & 3-Phase Power Meter

Features of DTSD1352-4S Multi Circuits 1-Phase & 3-Phase Power Meter