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DEM331AL
Single phase electronic Multi-rate Front board Installed Active Energy
Meter |
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Application |
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Model
DEM331AL single phase electronic multi-rate front board installed
active energy meter is a kind of single phase
two wire three
tariffs (time-sharing billing)active energy meter, the meter completely
accord with relevant technical
requirement 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. This
meter has seven
digits LCD monitors showing various consumption data and information.
And there are far infrared and
RS485 communication
module in it. It is use for setting and reading the meter. Contact with
all kind of AMR system
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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-- Front
board three fixed holes installation, the cover is made of PC
material which is
transparent and anti-UV molded overall,
the base of the meter and the terminal block are
made of quality bakelite material which is
moisture-resistant, fire-retardant,
high
temperature molded overall. It has following features:
good weatherability, high rigid,good
insulation performance, etc.
--Have
three tariffs, may select 12 daily period of times. You can set the
date arbitrary which
can automatically read the
meter every month. May select single tariff function in
weekend.
(Please specified when ordering)
--There
are a clock and Maintenance-free backup lithium batteries in it.
Battery capacity
detection and display all the time.
It can keep the electricity data for 12 months. The data
can be kept forever after power cut off.
--May
select cycle display (default) or push the button itemized display,
it can display 14
data at most. Can select the data
which displayed. The decimal median which displayed
can choose set one or two.
--A
port of pulse output passive (polarity), complying with standard IEC
62053-31.
--There
are far infrared and a port of RS485 communication data. It is use
for setting and
reading the meter. Set and operation
have password protection, communication protelot
complying with standard DL/T645-1997.
--Seven
LCD instructions respectively power state, signal of power impulse,
the direction of
the trend of load current, the
state rates just now and the data communications state.
--Single
direction measure single phase two wire active power 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 AN).
--Standard
configuration extended terminals cover, may select short terminals
cover, in
order to protect to use electricity
safely. (Product Configuration code is AM). |
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DEM331AL Single phase electronic Multi-rate
Front board Installed Active Energy Meter
Technical parameters: |
| Model |
Accuracy |
Reference voltage(V) |
Current
specifications
(A) |
Starting Current |
Insulation
Performance |
| DEM331AL |
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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DEM331AL Single phase electronic Multi-rate
Front board Installed
Active Energy Meter Outer and mount dimension: |
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DEM331AL Single phase electronic Multi-rate
Front board Installed
Active Energy Meter
Wiring diagram(Type 1B) |
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