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Digital Three-Phase Current Meter

Supplier From China
Jul-27-18

Especially developed for indication and
supervision of the three-phase circuit,
replaces an analogical ammeter, reducing
installation manpower and optimizing the
used one of spaces in the panel.
Ideal for protection of three-phase
networks is monitored and generally to
own alarm superior and inferior. Protection
of the parameters of programming by
password.

Price and Minimum Quantity

Price: $45
MOQ: Not Specified

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Jul-27-18
 
Especially developed for indication and
supervision of the three-phase circuit, replaces
an analogical ammeter, reducing installation
manpower and optimizing the used one of
spaces in the panel.
Ideal for protection of three-phase networks is
monitored and generally to own alarm superior
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supervision of the single-phase circuit, replaces
an analogical ammeter, reducing installation
manpower and optimizing the used one of
spaces in the panel.
Ideal for protection of single-phase networks is
monitored and generally to own alarm superior
and inferior. Protection of the parameters of
programming by password.
Jul-27-18
 
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the single-phase circuit, replaces an analogical
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optimizing the used one of spaces in the panel.
Ideal for protection of single-phase networks is
monitored and generally to own alarm superior and
inferior. Protection of the parameters of programming
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Jul-25-18
 
Especially developed for indication and
supervision of the single-phase circuit, replaces
an analogical ammeter, reducing installation
manpower and optimizing the used one of
spaces in the panel.
Ideal for protection of single-phase networks is
monitored and generally to own alarm superior
and inferior. Protection of the parameters of
programming by password.
Specifications
Current inputs (TRMS) Communication (Option)
CT primary 10 000 A Link RS485
CT secondary 1 and 5 A Type 2 ... 3 wires half duplex
Sampling Rate 2 per sec Protocol Modbus RTU mode
Resolution 0.001 to 1, depending on the range MODBUS speed 4800/9600bauds
Burden < 0.5VA, < 0.2VA in 20A Analog Outputs (Option)
Auxiliary power supply Number of outputs 1 channel
AC voltage DC/AC 85~265 ± 30 % Type Isolated
Frequency 50 / 60 Hz Range 0 / 4 ... 20 mA or 0-5V
Consumption < 10 VA Maximum current 30 mA
Front panel Alarm Outputs (Option)
Display Type Red LED Super Bright Display Number of relays 1 channel
Maximum Display 9999 Counts Type Passive nodes
Polarity Indication "-" is indicated for negative input(option) Weight
Case / Housing Material Approximate 250~400g
Installation Panel mounting Environment
Terminal Block Thermoplastic with Tin Plated Brass Terminal Calibration 27°C ± 5°C
Dielectric Strength Operation 0 to 50°C, RH < 70%
2.5 kV at 50Hz for 1 min Storage -10 to 60°C, RH < 70%
Jul-27-18
 
Especially developed for indication and
supervision of the three-phase circuit. Provide
three-phase active power, reactive power,
power factor measurement and display, can
expand the measurement range, replaces old
analogical meter, reducing installation
manpower and optimizing the used one of
spaces in the panel.
Ideal for protection of three-phase networks is
monitored and generally to own alarm superior
and inferior. Protection of the parameters of
programming by password.
Jul-27-18
 
Especially developed for indication and
supervision of the three-phase circuit,
replaces an analogical voltmeter, reducing
installation manpower and optimizing the
used one of spaces in the panel.
Ideal for protection of three-phase
networks is monitored and generally to
own alarm superior and inferior. Protection
of the parameters of programming by
password.
Jul-27-18
 
Especially developed for indication and
supervision of the three-phase circuit, replaces
an analogical voltmeter, reducing installation
manpower and optimizing the used one of
spaces in the panel.
Ideal for protection of three-phase networks is
monitored and generally to own alarm superior
and inferior. Protection of the parameters of
programming by password.
Feb-23-12
 
.1 Description
DEM8900-1/DEM8900-2/DEM8900-3 (short form for DEM8900) is designed by adopting the updated microprocessor and digital signal processing technology, which can be applied for monitoring the electrical system. DEM8900 can measure and analyze the real time electrical parameters, such as I,kWh,kvarh., Meanwhile, DEM8900 has functions of multi-tariff,RS485 communication ( MODBUS protocol),analog output, remote input and electrical pulse output.

All our instruments fulfill all important requirements and regulations concerning electromagnetic compatibility and safety isolation (IEC61000, IEC1010 standard and EN61010 standard). The devices have been developed, manufactured, and tested in accordance with Quality Assurance System ISO 9001.

1.2 Measured parameters
Note 1. DEM8900-1 measure current, active energy, active power (optional, with analog output)

2. DEM8900-2 measure current, reactive energy, reactive power (optional, with analog output)

3. DEM8900-3 measure Current, active energy, reactive energy, active/reactive power (optional, with analog output)

1.3 EMC and Safety standard
IEC61000-4-2 (GB/T17626.2)
IEC61000-4-8 (GB/T17626.8)
IEC61000-4-4 (GB/T17626.4)
IEC61010-1 (GB/T4793.1).


Exterior Size:91*91*72mm
0.5KGS.

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