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R-8074 Multifunctional Intelligent Electricity Meter with Transmitting and LCD Display

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Beijing Gemotech Intelligent Technology Co., Ltd.

R-8074 Multifunctional Intelligent Electricity Meter with Transmitting and LCD Display

Country/Region china
City & Province beijing beijing
Categories Other General Mechanical Components

Product Details

Specification:

SpecificationR-8074: Three-phase Multifunctional Intelligent Electricity Meter with Transmitting and LCD Display
Measured ChannelsThree-phase voltage and current, and expansion I/O function
Measured ParameterThe real effective value of current and voltage, power factor, active power, reactive power, frequency, power factor, input active electrical degree, output active electrical degree, total electrical degree, reactive electrical degree, apparent power, total apparent power
Input Frequency45~75Hz
Voltage Range10~500V, can measure higher voltage by appending voltage transformer and setting voltage transformation ratio
Current RangeBasic range is 0~5A, can measure greater current by appending current transformer, and setting current transformation ratio.
Signal Processing16bits A/D converter,6 channels, every channel synchronistical AC samples at the speed of 4KHz.The real time data of module is real effective value of 1 second( refresh one time a second)
Overload CapabilityCan measure exactly 1.4 times of range input; instant current (10 cycles) is 5 times, no damage when voltage range is 3 times.
Output DataElectric parameters such as three-phase voltage Ua, Ub, Uc; three-phase current Ia, Ib, Ic; active power P, reactive power Q, power factor PF, frequency f, active power of each phase Pa, Pb, Pc; reactive power of each phase Qa, Qb, Qc; forward active electrical degree, reversed active electrical degree, forward reactive electrical degree, reversed reactive electrical degree.
Output InterfaceRS-485/RS-232(It is optional,customers need to declare before ordering goods.)
Communication Rate1200,2400,4800,9600BPS
Communication protocolASCII commands and MODBUS/ASCII protocol
Degree of AccuracyCurrent, voltage: 0.2, the rest: 0.5
Parameter SettingInput by film keyboard
Power supply220VAC
DisplayLCD liquid crystal display
Built-in real-time clock provides the information of year, month, day, and hour, minute and second, to make sure supplying electricity uninterruptedly for 10 years with lithium cell.

 

Note: R-8074 possesses the functions above, also include optional configuration function (If you need these functions, please communicate with your sales):

  • Can configure PROFIBUS-DP communication protocol, RS-485 communication port.
  • Can configure 2~8 channels switch input port, photoelectric coupler isolated input.
  • Can configure 2~8 channels switch output port, optional relay port or photoelectric coupler port, also can set as electrical degree pulse output.
  • Can configure 2 channels analog input port, 4~20mA or 0~5V signal input.
  • Can configure 2 channels analog output port, 4~20mA signal input, also can set as communication remote regulating output or corresponding a certain electricity acquisition parameter output.

 

Performance Specification

OrderItemDescription

Measurement accuracy

(Accuracy range)

1

Voltage of each phase

(V1, V2, V3)

Direct measurement range: 0~500.0V, denote by 16 bits unsigned short integer (Divided by 100).

0.2%

(50~500V)

Voltage transformer PT ratio is 1~10000:1, denote by 16 bits unsigned short integer
Display value: 0~1000.0KV, 6 digits number (1 digit after radix point).
2

Current of each phase

(I1, I2, I3, In)

Direct measurement range: 0~5.000V, denote by 16 bits unsigned short integer (Divided by 1000).

0.2%

(0.5~5A)

Voltage transformer CT ratio is 1~10000:1, denote by 16 bits unsigned short integer
Display value: 0~50.000KA, 5 digits number (3 digit after radix point).
3Active power of each phase (P1, P2, P3)Direct measurement range: 0~2500.0W, denote by 16 bits signed short integer (Divided by 10). Display value: 0~50000.0MW, 6 digits number (1 digit after radix point).

0.5%

(25~2500W)

(0.5<PF<1)

4Total active power for three phase (P)Direct measurement range: 0~7500.0W, denote by 32 bits signed long integer (Divided by 10). Display value: 0~150000.0MW, 7 digits number (1 digit after radix point).

0.5%

(75~7500W)

(0.5<PF<1)

5Reactive power of each phase (Q1, Q2, Q3)Direct measurement range: 0~2500.0VAr, denote by 16 bits signed short integer (Divided by 10). Display value: 0~50000.0MVAr, 6 digits number (1 digit after radix point).

0.5%

(25~2500Var)

(0.5<PF<1)

6Total reactive power for three phase (Q)Direct measurement range: 0~7500.0Var, denote by 32 bits signed long integer (Divided by 10). Display value: 0~150000.0MVAr, 7 digits number (1 digit after radix point).

0.5%

(75~7500Var)

(0.5<PF<1)

7Apparent power of each phase (S1, S2, S3)Direct measurement range: 0~2500.0VA, denote by 16 bits signed short integer (Divided by 10). Display value: 0~50000.0MVA, 6 digits number (1 digit after radix point).

0.5%

(25~2500VA)

 

8Total apparent power for three phase (S)Direct measurement range: 0~7500.0VA, denote by 32 bits signed long integer (Divided by 10). Display value: 0~150000.0MVA, 7 digits number (1 digit after radix point).

0.5%

(75~7500VA)

 

9Power factor of each phase (PF1, PF2, PF3)Denote by 16 bits signed short integer (Divided by 10000). Display value: -1.000~1.000, 4 digits number (3 digits after radix point).

0.5%

(-0.5~0.5)

 

10Frequency (f)Direct measurement range: 45~55Hz, denote by 16 bits signed short integer (Divided by 100). Display value: 0~55.0Hz, 3 digits number (1 digit after radix point).

0.2%

(45~55Hz)

(Voltage≥20V)

11

Active electrical degree

(Input active: Epi)

(Output active: Epo)

Direct measurement range: 0~4000.000KWh, denote by 32 bits unsigned long integer (Divided by 1000).

When the absolute value of any phase’s active power is less than 1 (W×PT×CT), this phase will not cumulate active electrical degree.

Display value: 0~4000.000KWh, 7 digits number (3 digits after radix point).

When the input active electricity acquisition reach up to N×0.01KWh×PT×CT, output 1 pulse (50% duty ratio). N is pulse parameter, can be set at the board.

0.5%

(25~2500W)

12

Reactive electrical degree

(Inductive reactive: Eqind)

(Capacitive reactive: Eqcap)

Direct measurement range: 0~4000.000KVArh, denote by 32 bits unsigned long integer (Divided by 1000).

When the absolute value of any phase’s reactive power is less than 1 (W×PT×CT), this phase will not cumulate reactive electrical degree.

Display value: 0~4000.000KVArh, 7 digits number (3 digits after radix point).

0.5%

(25~2500Var)

13Outside supplyAC220V±10%, power consumption≤15W 
14EnvironmentTemperature: 10~45℃; Humidity: 0~95% (non-condensing) 
15Liquid crystal displayWhite characters on blue background, 128×64 resolution, 5 lines Chinese word display. 

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