มิเตอร์วัดกำลังไฟฟ้า มิเตอร์บันทึกการใช้พลังงานไฟฟ้า Intelligent Energy Recorder and Data Logger ER9-RD38-FH 

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• Brand Name: sommy
• Model Number: ER9-RD38-FH
• Accuracy Class: 0.5S
• Measuring Current Range: 5A , support CT
• Dimensions: 96H*96Wmm
• DIY Supplies: Electrical
• Operating Temperature: -10-50 degree C
• Measuring Voltage Range: 600V , support PT
• function: energy recorder and data logger
• measurement: all the 3 phase parameters measurement
• alarm: maximum 4 alarms output
• demand: support demand and maximum demand function
• harmonics: support harmonics analysis
• display: color display
• communication port: RS485
• SD card: support SD card

Functions

1. 320*340 TFT color LCD display.
2. Measure 3 phase voltage , ampere , reactive power ,active power , apparent power , power factor , frequency , Kwh , KvarH ect.
3. Three phase voltage , ampere , active power , reactive power ,and other parameters real time record and curve record storage
4. Total Kwh and total KvarH accumulation memory function.
5. Both side and outside storage , support SD card and USB storage , maximum storage is 4GB
6. Switch output: AL1, AL2 relay switch output
7. Analog output : one 4-20mA DC transmition output.
8. Switch input :4 switch input S1-S4 , used in remote control the electric swith status.
9. With RS485 communication , Modbus RTU
10. Optional tariff statistics function, with demand statistics function.
11. Optional harmonic analysis funtion (including the total harmonics).
12. Backup data can be opened by PC software to show the real time curve record