This series of three-phase voltmeter is an ideal device for monitoring voltage. The meter can realize the functions of programming, automatic measurement, digital tube display, open in and open out, variable output, over-limit alarm, digital communication and so on. The product adopts advanced microprocessor and digital signal processing technology, integrating digitization, intelligence and
networking. With superior performance, high measurement accuracy, beautiful appearance and strong EMC compatibility, it can completely replace the traditional analog and digital meters, and at the same time, it can be used as the terminal component of power monitoring and scheduling system, SCADA system, DCS system, BAS system and so on, to realize remote data acquisition
and monitoring. Monitoring and control.
Main features:
- Three-phase voltage measurement
- Modular design for flexible configuration of individual functions
- Adjustable voltage ratio
- Parameter setting password lock, power off permanent save
- Support RS-485 communication, MODBUS-RTU protocol
- Adopt AC/DC dual-purpose power supply, high and low voltage isolation
- Segmented LCD display
- Easy installation and wiring
| Measurement and metering |
| Voltage |
Three-phase voltage |
| Display mode |
Digital tube display |
| Communication function |
| Communication protocol |
MODBUS-RTU |
| Communication mode |
RS485 |
| Technical parameters |
Norm |
| Operating power |
Voltage ranges |
AC/DC85~265V;DC18V~72V (selectable ) |
| Power consumption |
<5VA |
| Accuracy Class |
0.5 class |
| Input |
Voltage |
Rating |
AC 100V 220V 400V |
| Power consumption |
<0.4VA/Phase |
| Overloaded |
1.2 times continuous, 2 times (10s) |
| Electrical impedance |
≥200kΩ |
| Switching input |
Dry contact input, optically isolated |
| Output |
Switching output |
Relay output; alarm can be set, default remote control |
| Analogue outputs |
0~20mA/0~5V(Can be set arbitrarily) |
| Digital communication interface |
RS485/Modbus-RTU |
| EMC Electromagnetic Compatibility Testing |
Electrostatic Discharge Immunity Testing |
GB/T 17626.2-2006:Test level 4, test voltage 8kV |
| RF electromagnetic field immunity test |
GB/T 17626.3-2006:Test class 3, test field strength 10V/m |
| Fast Transient Pulse Swarm Test |
GB/T 17626.4-2008:Test class 2, current voltage 1kV, other 500V |
| Surge (shock) immunity test |
GB/T 17626.5-2008:Test level 4, test voltage 4kV |
| Conducted Nuisance Immunity Test for RF Field Induction |
GB/T 17626.6-2008:Test class 3, test field strength 10V/m |
| Immunity tests for voltage dips, short-term interruptions and voltage variations |
GB/T 17626.11-2008:Passed current and voltage test error |
| Oscillatory wave immunity test |
GB/T 17626.12-1998:Class B ITE test, pass |
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