S3 (T) S3 series power transmitter

The power transmitter adopts a complete set of high-quality components such as ASIC chips, superlinear voltage, current transformers, etc., with a complete range of specifications, including voltage, current, active power, reactive power, active energy, reactive energy, frequency, power factor, DC voltage, DC current, temperature, etc. This series of transmitters has a high degree of integration, more reliable operation, excellent temperature characteristics and long-term stability, good resistance to electrical shock and overload, high-level accuracy and linearity. It is an ideal third-generation power transmitter that does not require frequent calibration and maintenance and is reliable.

Reference standards and rules: GB/T 13850-1998

Accuracy equal pole: 0.5

Stability: Complies with GB/T 13850-1998

Working temperature: Group I 10-35oC

Group II: 10-45oC

Group III -10~55oC

Relative humidity: ≤ 95%

Response time:<400ms

Peak output ripple:<0.5%

Working frequency: nominal frequency ± 10%

Output load: Constant current output rated 10V voltage drop

Constant voltage output rated at 2mA, with a maximum output of 5mA

Output load impact:<0.1% (within rated load range)

Input load: current circuit<0.5VA

Voltage circuit<0.5VA

Auxiliary power supply: rated voltage 80%~120%, rated frequency 90%~110%

Input overload range: current 2 times continuously 20 times for 1 second

Voltage twice as high continuously

Insulation strength: in accordance with GB/T13850-1998

Impact test: ANLI C37.90a/1973, DIN IEC 255-4

(5kV 1.2/50uL pulse voltage)

Surge test: IEC 255-4 (2.5kV-0.25mL/1MHz)

Calibration amplitude: less than ± 3% at full scale, less than ± 1% at required points.

Magnetic field influence: 0.4kA/m magnetic field strength variation<0.05%

Storage conditions: Temperature -40~+70oC, relative humidity 20-99%, no condensation

　　S3 (T) S3 series power transmitterWe use a complete set of high-quality components such as ASIC chips (specially designed thick film circuits for transmitters), superlinear voltage and current transformers, and are equipped with a full set of high-precision production equipment and computer detection and verification systems. We assemble and produce according to the quality assurance system ISO 9001:2000, with complete specifications including voltage, current, active power, reactive power, active energy, reactive energy, frequency, power factor, DC voltage, DC current, temperature, and other electrical quantity transmitters of various specifications. This series of transmitters has a high degree of integration, more reliable operation, excellent temperature characteristics and long-term stability, good resistance to electrical shock and overload, high-level accuracy and linearity. It is an ideal third-generation power transmitter that does not require frequent calibration and maintenance and is reliable.

The EP series transmitters comply with the requirements of relevant standards such as IEC, ANSI, BEAMA, etc., reaching the advanced level of similar products.

　　S3 (T) S3 series power transmitterModel, Specifications

EPA - AC current transmitter (average value conversion, effective value calibration) (Figure 1)

EPV - AC voltage transmitter (average value conversion, effective value calibration) (Figure 1)

EPAX - AC current transmitter (average value conversion, effective value calibration, three combinations) (Figure 2)

EPVX - AC voltage transmitter (average value conversion, effective value calibration, three combinations) (Figure 2)

EPAR - AC Current Transmitter (True RMS Conversion) (Figure 1)

EPVR - AC Voltage Transmitter (True RMS Conversion) (Figure 1)

EPW - Active Power Transmitter (Figure 2)

EPK - Reactive Power Transmitter (Figure 2)

EPWKA - Active Power/Reactive Power Current Combination Transmitter (Figure 2)

EPWA/GPKA - Active Power Current/Reactive Power Current Combination Transmitter (Figure 2)

EPWH - Active Energy Transmitter (Figure 2)

EPKH - Reactive Energy Transmitter (Figure 2)

EPWWH - Active Power/Active Energy Combination Transmitter (Figure 2)

EPKKH - Reactive Power/Husband Power Combination Transmitter (Figure 2)

EPF - frequency transmitter;

EPPF - Power Factor Transmitter

EPD-1: Single output DC transmitter;

EPD-2 dual output DC transmitter

S3-WRD active and reactive power combination transmission

GPA GP series AC current transmitter

GPV AC voltage transmitter