FAQ（Frequently Asked Questions）

1、All models support :

  • 4-quadrant energy measurement.

  • Operating voltage (Un): 85...265Vac/110...330Vdc

  • Operating voltage (Un): 12...48VDC

2、Q: Does it support RS-485 (MODBUS RTU)?
       A: Supported.

3、Q: Does it support Ethernet (MODBUS TCP/IP)?
       A: The following models are order-configurable:
             RPM100/100C,RPM95/95C,RPM90/90C,RPM80/80m,RPM65/65C,RPM60/60m,

             DM400,DM1000,RPM100S,RPM95U/95S, RPM85U/85S.

4、Q: Supported power grid types?
       A: 3P3W, 3P4W, 2P3W, 1P2W. 

5、Q: Measured grid frequency?
       A: 50/60Hz.

6、Q: Maximum measurable input voltage/current?
       A:·Voltage: 600Vac (L-L);

   ·Current: 5.5A

   ·Accuracy:<0.3%

7、Q: Multiple communication interfaces supported?
       A: Dual RS-485, or RS485 + Ethernet.

8、Q: Supported current transformer (CT) types?
       A: 1A/5A (adjustable).

9、Q: Maximum measurable harmonic order?
       A: Up to 128th (standard: 63th).

10、Q: Application scenarios?
         A: Power distribution for buildings, municipal facilities, hospitals, railways, airports, data centers, docks,

              and solar power generation sites.

11、Q: Minimum order quantity?
         A: 1 unit.

12、Q: Certifications available?
         A: CE, ISO9000, factory test reports.

13、Q: Warranty period?
         A: 24 months.

 More details please do not hesitate to contact us.