
Power Meter: EPM-400 - เซ็นเซอร์วัดไฟฟ้าแบบดิจิตอลหรือ Smart Power Meter ที่ทำหน้าที่เป็นในการวัดกระแสไฟฟ้าและสื่อสารระหว่างอุปกรณ์เช่น IIoT Gateway ผ่าน Modbus RTU
| HARDWARE | 3 phase 3 wires, 3 phase 4 wires |
|---|---|
| Reference Voltage | 3×100, 3×380V, 3×57.7/100V, 3×220/380V |
| Consumption(Voltage) | <10VA (Single phase) |
| Impedance | >2MΩ |
| Accuracy Class(Voltage) | Error±0.2% |
| Input Current | 3×1(6)A, 3×10(80)A |
| Consumption(Current) | <1VA (Single phase rated current) |
| Accuracy Class(Current) | DC 9~12 V |
| Power Measurement | Active, reactive, apparent power, error±0.5c/o |
| Frequency Measurement | 45~65Hz,Error±0.2% |
| Energy Measurement | Active energy(Accuracy class:0.5, 1) reactive energy(Accuracy class 2) |
| Width of Pulse | 80±20ms |
| SOFTWARE | |
| Communication | RS485:Modbus RTU |
| Range of Communication | Modbus RTU:1~ 247 |
| Baud rate | 1200bps~19200bps |
Power Meter: EPM-400 - เซ็นเซอร์วัดไฟฟ้าแบบดิจิตอลหรือ Smart Power Meter ที่ทำหน้าที่เป็นในการวัดกระแสไฟฟ้าและสื่อสารระหว่างอุปกรณ์เช่น IIoT Gateway ผ่าน Modbus RTU
EPM-400
Depth: 65mm
Width: 72mm
Height: 90mm
General Warranty:
Duration: 1 Year
Coverage: Defects caused by the manufacturing process, damaged parts caused by the manufacturer.
Proof of Purchase: Receipt/tax invoice and warranty card.
Location of service: The product must be brought as a trade instruction with proof of sale from the manufacturer or agent appointed by the company only.

| HARDWARE | 3 phase 3 wires, 3 phase 4 wires |
|---|---|
| Reference Voltage | 3×100, 3×380V, 3×57.7/100V, 3×220/380V |
| Consumption(Voltage) | <10VA (Single phase) |
| Impedance | >2MΩ |
| Accuracy Class(Voltage) | Error±0.2% |
| Input Current | 3×1(6)A, 3×10(80)A |
| Consumption(Current) | <1VA (Single phase rated current) |
| Accuracy Class(Current) | DC 9~12 V |
| Power Measurement | Active, reactive, apparent power, error±0.5c/o |
| Frequency Measurement | 45~65Hz,Error±0.2% |
| Energy Measurement | Active energy(Accuracy class:0.5, 1) reactive energy(Accuracy class 2) |
| Width of Pulse | 80±20ms |
| SOFTWARE | |
| Communication | RS485:Modbus RTU |
| Range of Communication | Modbus RTU:1~ 247 |
| Baud rate | 1200bps~19200bps |

| HARDWARE | |
|---|---|
| CPU | Octa-Core 64-bit Arm Processor |
| NPU | 6 TOPS |
| RAM | 8GB dual-channel LPDDR5X memory, Up to 4800Mbps |
| Storage | 64GB eMMC (SSD Upgradable), MicroSD Card Slot |
| Wireless | LTE Cat4, WiFi |
| RTC | Real Time Clock |
| Interface | 2 x Gigabit Ethernet, 2 x USB, 2 x RS485, 2 x HDMI |
| Audio | 3.5mm Earphones, Support Mic input |
| Rated Voltage | DC 9~36 V |
| Rated Power | 5W |
| Power Protection | Anti-Static, Anti-Surge, Anti-Reversei |
| Certification | CE / ROHS |
| SOFTWARE | |
| OS | Linux Kernel 6.10, Ubuntu Linux 24.04 |
| VPN | Support intranet penetration, PLC remote upload and download |
| AI Support | LLM, Edge AI, Object Detection, Agentic AI |
| Integrated Program | Node-RED, SCADash(Web SCADA) |
| Network Protocol | MQTT / HTTP / TCP / UDP / WEBSOCKET |
Epithos Co.,Ltd. (Headquarter THAILAND)
110 ,Soi Pattnakarn 70, Pattnakarn Road, Prawet, Bangkok, 10250
Email Us: [email protected]
Call: (+66) 080-267-8600, (+66) 061-389-3679
Chengdu Changyuan Epithos IoT Co Ltd. (CHINA)
No. 203, 2nd Floor, Building 4, No. 37 Jinshu Street,
Chengdu High Tech Zone, 610000, China (Sichuan) Pilot Free Trade Zone
Epithos Quantum Innovations Sdn. Bhd. (MALAYSIA)
CNC-30-03A, Block C, Level 30, Conezion Residences, Persiaran IRC 3,
IOI Resort City, 62502 Putrajaya.
Call: (+60) 017-363-5740