JSY-MK-194T Embedded two-way electric energy metering module


  • 10ma-60a wide range and high-precision electric energy measurement.
  • MODBUS-RTU protocol.
  • Accurately measure the electrical parameters of two-way single-phase AC voltage, current, power, power factor, frequency, electric quantity and so on.
  • One TTL communication interface, compatible with 5v/3.3v.
  • Electrical insulation withstand voltage 3000VAC.
  • Multiple specifications can be selected, single turn through core PCB fixed or open transformer, which is convenient and easy to use.
  • It can be changed and customized according to customer requirements.

Product Detail

Product Tags


Jsy-mk-194 mutual inductance high-precision and wide range electric energy metering module can be widely used in energy-saving transformation, power, communication, railway, transportation, environmental protection, petrochemical, steel and other industries to monitor the current and power consumption of AC equipment.

Technical Parameter

1 single phase AC input
1) Voltage range: 0~264v;
2) Current range: 10ma~60a;
3) Signal processing: special measurement chip and 24 bit AD sampling;
4) Overload capacity: current 1.2 times the range is sustainable, and voltage 1.5 times the range is not damaged;
5) Input impedance: voltage channel > 1 K Ω / V;

2 communication interface
1) Interface type: 1-way TTL communication interface, compatible with 5v/3.3v;
2) Communication protocol: MODBUS-RTU protocol;
3) Data format: default to "n, 8,1", "E, 8,1", "O, 8,1", "n, 8,2", which can be set;
4) Communication rate: 9600bps by default, 4800bps, 19200bps can be set;

3 measurement output data
Voltage, current, power, electric energy, power factor, frequency and other electrical parameters, see the list of mdobus data registers;

4 measurement accuracy
Voltage, current, power and electric quantity: less than ± 1.0%;

5 isolation
The tested power supply and the power supply are isolated from each other; Isolation withstand voltage 3000vdc;

6 power supply
1) DC single power supply 5V power supply, power consumption 10mA.

7 working environment
1) Working temperature: -20 ~ +70 ℃; Storage temperature: -40 ~ +85 ℃;
2) Relative humidity: 5 ~ 95%, no condensation (at 40 ℃);
3) Altitude: 0 ~ 3000 meters;
4) Environment: places without explosion, corrosive gas and conductive dust, and places without significant shaking, vibration and impact;

8. Temperature drift: ≤ 100ppm/ ℃;

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