Wireless Power Monitor

Product Details

DEM481UC--Wireless Power Monitor

THREE PHASE FOUR WIRE ELECTRONIC PREPAYMENT FRONT BOARD INSTALLED ACTIVE ENERGY METER 

Application 

Model DEM481UC wireless power monitor is a kind of three phase four  wire active energy meter with which users purchase electricity by IC card. 

Wireless power monitors feature electric energy measuring, load control and using electricity  management. The meter completely conforms with relevant technical requirements of class 1 single phase active energy meter stipulated in international standard IEC 62053-21. 

Wireless power monitor can accurately and directly measure 50Hz or 60Hz active energy consumption from  three phase four wire AC electricity net. It is used for setting indoor or outdoor meter box. This meter has 7 digits LCD displays showing  power consumption. And there is far infrared communication module in it, which makes reading the meter and setting the system parameters conveniently.

Wireless power monitor also has following features: good reliability, light weight, special and nice appearance, convenient installation, and etc

Functions and features 

● Payment by money, standard configuration of one meter & one card, repeated input of money from PC machinery with IC  programmer.  

● Three tariffs, 4 time area selectable, every time area set 12 daily period, every time area with one rate, every rate with three unit price.  

●In the wireless power monitor there is an IC card with code and data against false. Standard configuration uses storage IC card. You may select logic encryption card (Product  Configuration code is UG) or non-contact RF card. (Product Configuration code is UK)  

● Standard configuration of the prepayment management system  functions off the network which is also selectable. (Please specify when ordering).  

● With 7 digits LCD digits display cycle, you can set the cycle display, which can display 8 data at most. You can select the data which displayed.  

● There are a clock and maintenance-free backup lithium batteries in this wireless power monitor. Battery capacity depends on real-time detection and display.  

● There is a port of far infrared, which is used for setting and reading the meter and checking the clock. Set and operation is  protected by password. Communication agreement complies with standard DL/T645-1997.  

● In  wireless power monitor there is load control function and function of automatic fault detection and instructions. With the function of open terminals coverage and detection these wireless power monitors cover and cut power.  

● A port of pulse output passive closed (polarity), complying with standard IEC 62053-31 and standard DIN 43864.  

● Eight LED instructions power supply state, signal of energy impulse, the direction of the flow of load current, and the real time state rates.  

● Single direction three components measure three phase four wire active energy consumption. It has nothing to do with direction of the flow of load current, complying with standard IEC 62053-21. 

● Direct connect operation, type 16B wiring, and you may select three phase three wire, direct connect operation, type 13B wiring (Product  Configuration code is UD).  

● Front board three fixed installation, standard configuration short terminals cover, and you may select extension terminals cover, in order to  protect users' safety. (Product Configuration code is UA). 

Technical parameters of wireless power monitor

Model DEM481UC 

Accuracy  Class 1

Reference  Voltage(V)  3×127/220  3×230/400

Current  specifications(A)   5(30)  10(60)  20(100) 

Starting  current(A)   0.02  0.04  0.08

Insulation  performance     AC voltage 4kv for 1 minute,  1.2/50us waveform impulse  voltage 6kv. 

* If you need different reference voltage or current specification, please advisory our sales personnel. 

Outer and mount dimension of wireless power monitor

Wiring diagram (Type 16B)

TERMINAL 1 L1 inlet phase line 

TERMINAL 3 L1 outgoing phase line 

TERMINAL 4 L1 outgoing phase line 

TERMINAL 6 L2 outgoing phase line

TERMINAL 7 L3 inlet phase line 

TERMINAL 9 L3 outgoing phase line 

TERMINAL 10 Neutral line 

TERMINAL 12 & 13  Port of pulse output passive closed

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