AC Digital Meter

AC Digital Meter

1. Brief Introduction

DTSF/U353 is a three phases four wires digital energy meter with current transformer, LCD backlight, IR & RS485 communication ( protocol EN62056:IEC1107 & DLT645:2007 ) and tariff, which can measure and record the active energy consumption of load in 50Hz single phase AC power grid

2. Technical Parameter of 3P Din Rail Meter

	3*220/380V
	3*1.5(6)A
Impulse constant	12000imp/kWh
LCD display	LCD5+3
Operation temp.	-20~+70℃
Storage temp.	-40~+80℃
Relative humidity	≤90%
	50Hz
Accuracy class
Starting current
Creeping	Anti-creep logistic design
Power consumption	≤2W,<10VA
Standard compliant	Performance test: GB/T 17215.321-2008 GB/T 17215.211-2006 Protection degree: GB/T20138-2006

4. Din Rail Energy Digital MeterMetering Function

Active & reactive energy, forward & reverse measurement

3 elements settable (positive,positive+negative,positive-negative)

CT ratio range: 5:5 ~7500:5

(5:5,40:5,50:5,60:5,75:5,100:5,125:5,150:5,200:5,250:5,300:5,400:5,500:5,600:5,800:5,1000:

5,1250:5,1500:5,2000:5,2500:5,3000:5,4000:5,5000:5,6000:5,7500:5)

5:5----40:5LCD=5+3;

50:5----300:5LCD=6+2;

400:5----3000:5LCD=7+1;

4000:5----7500:5LCD=8+0;

Support max demand

Support resetting energy

Support setting holiday tariff & weekend tariff

Support IR communication, EN62056 (IEC1107) protocol

RS485 Communication, DLT 645:2007 protocol

3. Measuring Devices meter wholesaleDisplay Function

Displaying total energy, tariff energy, 3 phases voltage, 3 phases current, power, apparent power, power factor, frequency, demand, ct ratio, impulse output, communication address etc.

Plz refer to LCD display part

Selecting display content, setting CT ratio, LCD scrolling period and resetting energy & backlight type via 2 keypads.

Setting content of automatic scrolling mode via IR

Support 3 types of displaying can be set via keypads:

Selecting lighting when pressing the key / normal bright / normal dimmed

3. Din Rail MeterImpulse Output

Support 4 types of impulse output method via communication:

Selecting 12000 / 1200 / 120 / 12

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