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DEM471RA
Single phase electronic Multi-rate Prepayment Front board Installed
Active Energy Meter |
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Application |
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Model
DEM471RA single phase electronic multi-rate prepayment front board
installed active energy meter is a kind of
single phase two
wire active energy meter which purchase electricity by IC card, electric
energy measuring, ladder rate,
load control and
using electricity management. The meter completely accord with relevant
technical requirements of
class 1 single
phase active energy meter stipulated in international standard IEC
62053-21. It can accurately and directly
measure 50Hz or
60Hz active energy consumption from single phase AC electricity net, it
is use install in meter box
indoor or out door.
This meter has LED monitors shows active energy. And there is far
infrared communication module
in it, can read the
meter and set the system parameters conveniently. It has following
features: Good reliability, light
weight, specious
nice appearance, convenient installation, etc.
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Function and features: |
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-- Standard
configuration with one meter one card, can repeat input money from
PC machine
which with IC programmer.
--There
a clock which is implement ladder rate, and there is far infrared
communication
module in it, use for checking the
clock, reading the meter and setting the system
parameters.
--It
has IC card with code and data against false, standard configuration
use storage IC
card, may select logic encryption
card (Product Configuration code is RE) or non-contact
RF card. (Product Configuration code is RI)
--Standard
configuration payment by kWh, may select payment by money. (Please
specified
when ordering).
--Standard
configuration of the prepayment management system use of single
version, may
select network version. (Please
specified when ordering).
--It
has load control and function of automatic fault detection and
instructions, with function
of open terminals cover and detection
and open terminals cover and cut power.
--6
LED digits display, 5+1 digits display (99999.1kWh), may select 7
LCD digits display.
(Product Configuration code is
SA).
--A
port of pulse output passive closed (polarity), complying with
standard IEC 62053-31 and
standard DIN 43864.
--Two
LED instructions signal of power impulse (red) and direction of the
trend of load
current (yellow).
--Automatic
detect the direction of the trend of load current. When the yellow
LED display,
that is meaning the current reverse.
--Single
direction single component measure single phase two wire active
energy
consumption. It is nothing with direction
of the trend of load current. Complying with
standard IEC 62053-21.
--Direct
connect and use, there are two types you may select. Standard
configuration type 1B
connection, may select type
1A connection (Product Configuration code is RB).
--Front
board two fixed holes installation, standard configuration short
terminals cover, may
select extended terminals cover,
in order to protect to use electricity safely. (Product
Configuration code is RC). |
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DEM471RA Single phase electronic Multi-rate
Prepayment Front board Installed Active Energy Meter
Technical parameters: |
| Model |
Accuracy |
Reference voltage(V) |
Current
specifications
(A) |
Starting Current |
Insulation
Performance |
| DEM471RA |
class1 |
127
230
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5(30)
10(60)
20(100) |
0.02
0.04
0.08 |
AC voltage 4kV for 1
minute,1.2/50us waveform impulse
voltage 6kV |
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DEM471RA Single phase electronic Multi-rate
Prepayment Front board Installed
Active Energy Meter Outer and mount dimension: |
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DEM471RA Single phase electronic Multi-rate
Prepayment Front board Installed
Active Energy Meter
Wiring diagram(Type 1B) |
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