โมดูลวัดกระแสไฟฟ้า ZMCT103C 5A Range Single Phase AC Active Output Onboard Precision Micro Current Transformer Module Current Sensor

      The module is equipped with ZMCT103C series small high-precision current transformers and high-precision operational amplifier circuits to accurately sample and properly compensate signals. It is convenient for signal acquisition of AC power within 5A. The corresponding output analog AC signal can be adjusted. The required output voltage can be adjusted according to the potentiometer (adjusting the amplification ratio, the amplification range is 0-100 times), but the maximum voltage at the output (OUT) will not exceed 1/2 VCC.

• Rated input current: 5A
• Rated output current: 5mA
• Change ratio: 1000:1
• Phase difference: less than or equal to 20' (100Ω)
• Linear range: 0-10A (100Ω)
• Linearity: 0.2%
• Precision level: 0.2
• Isolation withstand voltage: 3000V
• Working temperature: -40 ° C ~ 70 ° C
• Sealing material: epoxy resin
• Module supply voltage: 5-30V DC

• Product model: ZMCT103
• Rated Input Current: 5A
• Rated output current: 5mA
• Ratio: 1000:1
• Phase (when the rated input) : <= 15(100 ohm)
• The linear range: 0-15A(100 ohm)
• Linearity :0.2%
• Isolation voltage: 4500V
• Uses: For  Current and power measurement
• Sealing material: epoxy resin
• Installation method: printed board installation
• Working temperature: -40 to +85 degrees
• Shell material: ABS
•  

During measurement, the signal conductor to be measured passes through the hole of the transformer, and S and G are connected to the oscilloscope, where the amplitude of the waveform increases as the current to be measured increases.

 

     The figure below shows the waveform measured when one of the 60W soldering irons passes through the round hole of the transformer: