100kA MODBUS RTU Lightning Surge Recorder Intelligent Lightning Protection Current Monitor
Product Summary
Product features ● 4-channel switch acquisition ports: Supports dry contact/normal open input, with independent visual and buzzer alarms for each channel when triggered. ● Ultra-high precision measurement:Delivers 0.1kA resolution for accurate lightning current peak detection. ● Built for smart ...
Product Custom Attributes
MODBUS RTU Lightning Surge Recorder
,100kA Surge Recorder
,Lightning Protection Current Monitor
Basic Properties
Trading Properties
Product Description
| Product features |
| ● 4-channel switch acquisition ports: Supports dry contact/normal open input, with independent visual and buzzer alarms for each channel when triggered. |
| ● Ultra-high precision measurement:Delivers 0.1kA resolution for accurate lightning current peak detection. |
| ● Built for smart lightning protection monitoring systems: Optimized for intelligent grid, outdoor lightning monitoring, and industrial lightning protection scenarios. |
| ● Diverse communication options: Supports Ethernet, LoRa, 4G, and other wired/wireless communication modes for flexible data transmission. |
| ● Dual power supply flexibility: Optional DC 12V or AC 220V power input to adapt to different on-site power conditions. |
| ● Up to 10 switch alarm channels: Logs detailed alarm information including channel number, alarm time, and date for traceability. |
| ● Standardized mounting & protocol: Supports 35mm DIN-RAIL and wall mounting, with 1-inch OLED display and standard MODBUS-RTU protocol. |
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● Dual serial communication ports:
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| ● Customizable protocol support: Default non-standard protocol for earth grid monitoring systems; optional customized protocol gateway for simplified communication integration. |
| ● Surge peak acquisition with waveform recording: Supports 8/20μs and 10/350μs surge waveforms, adjustable trigger sensitivity (0.5/1/2/5/5/5kA, default 1kA), and stores up to 9999 surge records (including polarity, peak value, occurrence time, and last surge waveform). |
| ● Data safety guarantee: Automatically saves alarm data during power outages to prevent data loss. |
Product Specification
| Models | LS-LM100A | |
| Power supply | 220VAC, 12VDC optional | |
| Power | 2W | |
| Screen | 1 Inch OLED | |
| Communication interface | MODBUS-RTU protocol | |
| RS485 | ||
| RS232 | ||
| Switch acquisitionT01～T04 | 4 switch monitoring channels: dry contact, normal open, visual and buzzer warning. | |
| Surge Channel |
Lightning surge infomation | polarity of surge current, peak value, max memory: 9999 |
| Trigger current | 0.5/1/2.5/5KA optional, default is 1kA | |
| Resolution | 0.1kA | |
| Acquisition frequency | 10/sec | |
| Surge type | 8/20us,10/350us | |
| Sensors | Micro-rogowski coil, acquisition range 1-100kA | |
| Interface protection | Serial port | Built-in surge protection circuit, 4000V lightning protection |
| Data safety | Alarm data could be saved safely when power failure | |
| Enclosure | Black aluminum / red plastic stand | |
| Mounting | 35 mm DIN-RAIL and wall mounting | |
| Operation Environment | -20～85℃,0～95% RH | |
Notices
1.Select the appropriate power supply (220VAC or 12VDC) based on on-site conditions.
2.The micro-rogowski coil sensor must be correctly installed to ensure accurate current acquisition (range 1-100kA).
3.Set the trigger current according to actual application scenarios (default 1kA) for optimal monitoring sensitivity.
4.Ensure reliable grounding of the device to avoid electromagnetic interference affecting measurement accuracy.
5.Regularly export stored data to prevent memory overflow (supports 9999 records).
6.The device automatically saves alarm data during power outage; restore power promptly to avoid data loss.
FAQ
Q1: What communication interfaces and protocols does this monitor support?
A1: It supports RS485 (for branch computer communication) and RS232 (for host communication), and is compatible with the standard MODBUS-RTU protocol.
Q2: How many surge events can this device record, and what information is included?
A2: It can store up to 9999 surge records, including polarity, peak value, occurrence time, and the complete waveform of the last surge event.
Q3:Which types of lightning surge waveforms are compatible with this device?
A3: It supports both 8/20μs and 10/350μs surge waveforms, covering most common lightning protection monitoring scenarios.
Q4: Is the trigger current adjustable? What options are available?
A4: Yes, the trigger current can be adjusted to 0.5kA, 1kA, 2kA, 5kA, or 5/5kA, with a default setting of 1kA.
Q5: Does this device have surge protection for its communication interfaces?
A5: Yes, the serial port is equipped with a built-in 4000V lightning protection circuit to ensure the device’s safety and stability.
Q6:Can this device be installed in both DIN-rail and wall-mounted ways?
A6:Yes, it supports both 35mm DIN-RAIL mounting and wall mounting, making it suitable for various cabinet and on-site installation scenarios.
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