4-20mA Reader

General Features:
1. Has 2 Channel 4-20 mA inputs
2. Can read once every 5 minutes at certain intervals with internal battery and continuously with external and solar panel
3. Has 12-24V 250mA external supply input.
4. Reads once every 5 minutes and transmits information to the center.
5. No data loss occurs in case of turning off and on.
6. The device has Lora modulation and LoraWan protocol with EU-868 Mhz frequency band and 14db output power.
7. Has external antenna connection.
8. Configuration processes can be done through the system.
9. Energy status, operating status, and alarm status can be monitored with the LEDs on it.
10. The device operates in Ultra Low Power when it does not send data and does not consume unnecessary energy.

Application Areas:
1. Remote Sensor Monitoring
2. Pressure Sensor, Flowmeter Meter etc. reading
3. AMR systems
4. Automation systems
5. Scada systems
6. Remote monitoring systems

Technical Specifications:
1. Frequency Range: 433/490 MHz or 868 / 915 MHz(Customizable:137~1020MHz )
2. Sensitivity up to -139dBm @Lora
3. EU433,CN470-510,CN779-787,EU863-870,US902-928,AU915-928,AS923,KR920-923
4. Maximum output power: 20 dBm
5. 13mA@receiver mode
6. Sleep current <200 nA 7. Data transfer rate: @FSK,1.2-300 Kbps 8. @Lora TM, 0.018-37.5 Kbps 9. Lora TM, FSK, GFSK & OOK Modulation mode 10. Built-in ESD Protection 11. 127 dB Dynamic Range RSSI 12. Packet engine up to 256 bytes with FIFO and CRC 13. Hopping frequency 14. Built-in temperature sensor and low battery indicator 15. Excellent blocking immunity 16. Operating Temperature Range：-40 ~ + 85 °C 17. Low Power Current 4uA 18. Max TX Current 120mA

Box Content:
1. Lora RS485 Converter 1 piece
2. RF Antenna 1 piece
3. Extended RF Antenna (optional) 1 piece
4. 3V6 Lithium Battery (Optional) 1 piece