Negotiable
The date of payment from buyers deliver within days
Beijing
Long-term effective
2017-10-19 17:49
116
Company Profile
By certification [File Integrity]
Contact：Ms. Jane Xian(Mr.)
Email：
Telephone：
Area：Beijing
Address：Beijing
Website： http://gemotech.jssytm.com/
| Specification | R-8074: Three-phase Multifunctional Intelligent Electricity Meter with Transmitting and LCD Display |
| Measured Channels | Three-phase voltage and current, and expansion I/O function |
| Measured Parameter | The 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 Frequency | 45~75Hz |
| Voltage Range | 10~500V, can measure higher voltage by appending voltage transformer and setting voltage transformation ratio |
| Current Range | Basic range is 0~5A, can measure greater current by appending current transformer, and setting current transformation ratio. |
| Signal Processing | 16bits 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 Capability | Can measure exactly 1.4 times of range input; instant current (10 cycles) is 5 times, no damage when voltage range is 3 times. |
| Output Data | Electric 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 Interface | RS-485/RS-232(It is optional,customers need to declare before ordering goods.) |
| Communication Rate | 1200,2400,4800,9600BPS |
| Communication protocol | ASCII commands and MODBUS/ASCII protocol |
| Degree of Accuracy | Current, voltage: 0.2, the rest: 0.5 |
| Parameter Setting | Input by film keyboard |
| Power supply | 220VAC |
| Display | LCD 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. | |
| Order | Item | Description | 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). | |||
| 3 | Active 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) |
| 4 | Total 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) |
| 5 | Reactive 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) |
| 6 | Total 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) |
| 7 | Apparent 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) |
| 8 | Total 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) |
| 9 | Power 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) |
| 10 | Frequency (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) |
| 13 | Outside supply | AC220V±10%, power consumption≤15W | |
| 14 | Environment | Temperature: 10~45ºC; Humidity: 0~95% (non-condensing) | |
| 15 | Liquid crystal display | White characters on blue background, 128×64 resolution, 5 lines Chinese word display. |
