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.