Description:
Intelligent digital instrument be used in electricity grids, automation control system to measure voltage, current, active power, reactive power, apparent power, power factor and frequency. They are displayed by LED or LCD. Visual display, High accuracy, Reliable performance, Strong isolation, Anti-Vibration.
Performance Characteristics
High-precision measure three-phase voltage, three-phase current, active power, reactive power, apparent power, power factor, frequency.
LED or LCD display, Local data query
Current Conversion Ratio is programmable.
Support RS-485 communication Modbus-RTU treaty.
Support DI DO AO
Auxiliary Power Supply: AC/DC 80V-270V, AC220V, AC380V, AC100V
Various shape can be choosed.
Accuracy of measurement
Voltage
0.5 degree
Current
0.5 degree
Active power
0.5 degree
Reactive power
0.5 degree
Power factor
0.5 degree
Frequecy
± 0.02Hz
Signal Input
Mode of connection
Single-phase, three-phase three-wire, three-phase four-wire
Rated voltage
AC57.7V, AC 100V, AC220V, AC380V
Rated current
AC1A, AC5A
Overload
Voltage: 1.2 times 2 times /1 second(instantaneous)
Current: 1.2 times 10 times /5 second(instantaneous)
Power dissipation
Voltage: Less than 1VA/phase; Current: Less than 0.4VA/phase
Impedance
Voltage: More than 300kΩ : Current: Less than 20mΩ
Frequency
45-65Hz
APS
Operating Range
AC/DC 80V-270V, AC220V, AC380V, AC100V, DC48V, DC24V
Power dissipation
Less than 4VA
Function Module
Communication interface
No. 1 RS-485 communications, Modbus-RTU treaty
Baud rate: 1200-9600bps, the default value is 2400bps
DI
Support 4 dry contacts
DO
Support 3 relay output, capacity AC250V/5A DC30V5A
Transmitting Output
Support 1 AO: 0/4-20mA or 0-5/10V
Environment
Working environment
-10° C- +55° C
Storage Temperature
-25° C- +70° C
Relative Humidity
≤ 93%, No corrosive gas places
Altitude
≤ 2500m
Security
Insulation Resistance
>100mΩ
ACW
AC 2KV
EMC
ESD
Grade 4
EFT
Grade 4
Surge impact
Grade 4
Dimension
Frame dimension
120*120; 80*80; 96*48; 96*96; 80*80; 48*48; 120*60; 160*80
Hole dimension
111*111; 76*76; 92*45; 92*92; 68*68; 45*45; 114*56; 152*76
Wenzhou CNSCKJ Meter Technology Co., Ltd. Specialized in manufacturing various digital display meter, which is member enterprise of the National Electrician instrument& Meter Standardization Committee. The products manufactured by our company strictly complied with IEC 51 publication rev4 issued by international electrician Committee and IEC1010 Standard, and meet the National Standard Requirement GB/T7676-1998. CNSCKJ company have passed through ISO9001: 2000 Certificate and CE Certificate.
(1) We are one of organizations chiefly editing the national standard, Mounted Digital Display Electric Measuring Instrument:
(2)We are involved in the edition of national standards, low-voltage Reactive Power Compensation Switching Device and General Specification for Digital Motor Combined Protection Equipment;
(3)We participate in the revision work of industrial standard, low -voltagea Reactive Power Compensation Control Device
(4) We play an essential role in editing the national standard diagram collections for electrical design, commonly-used Pump Control Circuit Diagram and Commonly-USD Blower Control Circuit Diagram, and the reference diagram collections for eletrical design, Fire-fighting Equipment Power Supply Monitoring System.
Under holding up the enterprise tenet: Survive on quality, Create brand with the credit, CNSCKJ sincerely wish friends at home and abroad to cooperate with for brilliant tomorrow!
