1. Introduction
The JXK-14 series Perforated Current Transmitter integrates mutual inductance and transformation principles. It is designed to convert measured larger currents (DC, AC, pulse, and other arbitrary waveform currents) into proportional DC current or voltage signals, as well as analog and switch signals. Utilizing zero flux, magnetic balance, and Hall effect technologies, this sensor provides accurate and reliable current measurement.
It is widely applicable in various industries including electric power, railway systems, communications, transportation, environmental protection, automotive, and machine room monitoring. Specific applications include power distribution cabinets, motor current detection, and general circuit system monitoring.
2. Features
- High Accuracy: 0.2% measurement accuracy.
- Design: Mutual inductance & transformation, without transformer.
- Performance: Wide band, good linearity, and ultra-thin shell design.
- Isolation: 3 terminals fully isolated (input/output/power supply) ensuring good stability and strong anti-interference ability.
- Material: Constructed with excellent flame retardant ABS material, offering high temperature resistance and anti-aging properties.
- Integrated Circuit: Utilizes ASIC professional integrated circuit for reduced component count, improved circuit reliability, and long-term stability.
- Response Time: Fast response time of less than 0.255ms for real-time current detection.
- Coil: Pure copper coil for low resistance, minimal heat generation, and accurate conversion.
- Installation: Small volume, light weight, easy installation with perforated input and no insertion loss.
- Customization: Parameters can be customized to specific requirements.
3. Specifications
3.1. Technical Parameters
| Parameter | Value |
|---|---|
| Model Number | JXK-14 AC Sensor |
| Input (Measuring Range) | AC or DC 0-150A (Customizable: 0-5A, 0-10A, 0-50A, 0-100A, 200A, 300A, 600A) |
| Output Signal | 4-20mA, 0-10V, 0-5V, 1-5V, RS485 (Customizable: 0-20mA, 0-25mA, 20-4mA) |
| Power Supply | DC24V, DC12V (Customizable: DC±12V, DC±15V, AC220V, DC12-28V) |
| Hole Diameter (Size) | 4mm, 8mm, 12mm, 15mm |
| Accuracy Class | 0.5% (0.50%) |
| Linearity | 0.10% |
| Insulation Voltage | 3KV / 50HZ, 1 minute |
| Output Temperature Drift | 100ppm / °C |
| Full Load Power Consumption | 1W |
| Load Capacity | ≤500Ω |
| Response Time | ≤50MS |
| Operating Temperature | -20 °C ~ 60 °C |
| Dimensions | 24 * 99 * 65 mm |
| Display Type | Analog Only |
| DIY Supplies | Electrical |
| Battery Included | No |
| High-concerned chemical | None |
| Origin | Mainland China |
| Certification | CE, FCC, RoHS |
3.2. Model Type Selection Guide
When ordering, customers should ensure the correct combination of channel, input signal, output signal, and power supply. Customization is available for special needs.
| Category | Code | Description |
|---|---|---|
| CHANNEL | W1 | 1 In / 1 Out |
| INPUT SIGNAL | A1 | 0-10A |
| A2 | 0-20A | |
| A3 | 0-50A | |
| A4 | 0-100A | |
| A5 | 0-150A | |
| A6 | 0-200A | |
| A7 | Customization | |
| OUTPUT SIGNAL | O1 | 0-20mA |
| O2 | 4-20mA | |
| O3 | 0-5V (AC-DC) | |
| O4 | 0-10V (AC/DC) | |
| O5 | 1-5V | |
| O6 | Customization | |
| O7 | RS485 | |
| POWER SUPPLY | P1 | DC12V |
| P2 | DC24V | |
| P3 | DC±12V | |
| P4 | DC±15V | |
| P5 | Customization |
Example: JXK-14-W1-A1-O1-P2 (For product function: JXK-14, 1 in 1 out, input 0-10A, output 0-20mA, DC24V power supply)
3.3. Dimensions
4. Setup
4.1. Installation
The JXK-14 current sensor supports standard 35mm DIN Rail installation or screw fixation. Ensure the installation distance is usually ≥10mm when installing multiple units centrally.
4.2. Wiring
Connect the sensor according to the following wiring diagrams. Ensure all connections are secure and correct before applying power.
Wiring Notes:
- Always wire in strict accordance with the provided diagrams.
- Verify all connections before turning on the power supply.
- Ensure the power supply voltage matches the product's specified requirements (e.g., DC12V or DC24V).
5. Operating Instructions
Once properly installed and wired, the JXK-14 current sensor will convert the measured AC or DC current into the selected output signal (e.g., 4-20mA, 0-10V, RS485). The output signal will have a proportional linear relationship with the input current.
For optimal performance, ensure the input current is within the specified measuring range for your specific model. The sensor is designed for continuous monitoring and provides real-time data conversion.
6. Maintenance
To ensure the longevity and accurate operation of your JXK-14 current sensor, adhere to the following maintenance guidelines:
- Environment: The operating environment should be free of conductive dust, corrosive gases, strong shocks, and vibrations.
- Physical Handling: The current transmitter has a bodyized structure and is non-removable. Avoid collisions and falls. Do not alter or remove any stickers on the product.
- Inspection: Periodically inspect the wiring for any signs of damage or loose connections.
- Cleaning: Keep the exterior of the sensor clean and free from debris. Use a soft, dry cloth for cleaning.
7. Troubleshooting
If the JXK-14 current sensor is not functioning as expected, consider the following steps:
- Wiring Check: Double-check all wiring connections against the diagrams in Section 4.2. Ensure input, output, and power connections are correct and secure.
- Power Supply: Verify that the power supply voltage (DC12V or DC24V) matches the sensor's requirements and is stable.
- Input Current: Confirm that the current being measured is within the specified input range of your sensor model.
- Output Signal: Check the receiving device (e.g., PLC, DCS) to ensure it is correctly configured to interpret the sensor's output signal type (e.g., 4-20mA, 0-10V).
- Environmental Factors: Ensure the operating environment meets the conditions specified in Section 6, free from excessive dust, corrosion, or vibration.
If issues persist after performing these checks, please refer to the full user manual (PDF) or contact customer support for further assistance.
8. User Tips
- Initial Inspection: Upon receiving your JXK-14 sensor, carefully inspect the packaging and the product itself for any signs of damage. Confirm that the model and specifications match your order.
- Pre-Installation Check: Before permanent installation, it is advisable to perform a basic functionality test to ensure the sensor is working correctly.
- Documentation: Keep this instruction manual and any additional documentation (like the PDF user manual) in a safe and accessible place for future reference.
9. Warranty and Support
The JXK-14 current sensor is manufactured by Ah Qidian and is certified with CE, FCC, and RoHS, ensuring compliance with international quality and safety standards.
For detailed technical support, warranty information, or any inquiries, please contact the seller directly. A comprehensive user manual in PDF format is available for download at this link.