Shenzhen LLH Electrical Co., Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability | 5000-10000 pieces/mouth |
| Delivery Time | 7-15 days |
| Packaging Details | box |
| Power Supply | 220VAC / 12VDC (optional) |
| Power Consumption | 2W |
| Display | 1 Inch OLED |
| Communication Interface | MODBUS-RTU protocol, RS485, RS232 |
| Trigger Current | 0.5/1/2.5/5kA (optional, default 1kA) |
| Measurement Range | 1-100kA (via micro-rogowski coil) |
| Brand Name | LLH |
| Model Number | LS-LM100A |
| Place of Origin | Guangdong Province.China |
View Detail Information
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union | Supply Ability | 5000-10000 pieces/mouth |
| Delivery Time | 7-15 days | Packaging Details | box |
| Power Supply | 220VAC / 12VDC (optional) | Power Consumption | 2W |
| Display | 1 Inch OLED | Communication Interface | MODBUS-RTU protocol, RS485, RS232 |
| Trigger Current | 0.5/1/2.5/5kA (optional, default 1kA) | Measurement Range | 1-100kA (via micro-rogowski coil) |
| Brand Name | LLH | Model Number | LS-LM100A |
| Place of Origin | Guangdong Province.China | ||
| High Light | 100kA lightning strike monitor ，MODBUS RTU surge recorder ，lightning protection system monitor | ||
| Product features |
| ● 4-channel switch acquisition ports: Supports dry contact/normal open monitoring, with visual and buzzer alarm for remote alert. |
| ● High-precision surge monitoring: Delivers accurate measurement of lightning current peaks and waveform data. |
| ● Tailored for intelligent lightning protection monitoring systems: Optimized for smart grid and outdoor lightning monitoring scenarios. |
| ● Multi-communication mode support: Compatible with Ethernet, LoRa, 4G, and other wireless/ wired communication options. |
| ● Dual power supply options: Supports DC 12V and AC 220V power input for flexible deployment. |
| ● Up to 10 switch alarm channels: Records channel number, alarm time, and date for event tracking. |
| ● Standardized mounting & protocol: Supports 35mm DIN-RAIL and wall mounting, with 1-inch OLED display and standard MODBUS-RTU protocol. |
|
●Dual serial communication ports:
|
| ● Flexible protocol options: Default non-standard protocol for earth grid monitoring scenarios; customizable protocol gateway available for simplified integration. |
| ● Switch data port with independent alarm: Each switch acquisition port has a normal open indicator, triggering visual and buzzer alarm when closed. |
| ● Surge peak acquisition port: Supports 8/20μs and 10/350μs waveforms, adjustable trigger sensitivity, and stores up to 9999 surge records (including polarity, peak value, occurrence time, and last surge waveform). |
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 device support?
A1: It supports RS485 (for branch computer communication) and RS232 (for host communication), compatible with MODBUS-RTU protocol.
Q2: How many surge event records can this device store?
A2: It can store up to 9999 surge records, including polarity, peak value, occurrence time, and the waveform of the last surge event.
Q3:Which lightning surge waveforms are compatible with this device?
A3: It supports both 8/20μs and 10/350μs surge waveforms, covering common lightning protection monitoring scenarios.
Q4: Is the trigger current adjustable?
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 interfaces?
A5: Yes, the serial port is equipped with a built-in 4000V lightning protection circuit to ensure device safety.
Company Details
Business Type:
Manufacturer
Year Established:
2018
Total Annual:
1000000-10000000
Employee Number:
20~100
Ecer Certification：
Verified Supplier
Shenzhen Leilihai Electric Co., Ltd We are a high-tech enterprise that integrates the research and development, manufacturing, sales, and installation services of lightning protection devices and lightning protection system supporting products. The company has successively passed the German TUV cer... Shenzhen Leilihai Electric Co., Ltd We are a high-tech enterprise that integrates the research and development, manufacturing, sales, and installation services of lightning protection devices and lightning protection system supporting products. The company has successively passed the German TUV cer...
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