AT131Y series digital three-phase measurement meter is an ideal equipment for detecting current and voltage. The product integrates digitalisation, intelligence and networking, with superior performance, high measurement accuracy, beautiful appearance and strong EMC compatibility. It can also be used as the terminal component of power monitoring and dispatching system, SCADA system, DCS system, BAS system, etc. to realise remote data acquisition and monitoring.
Main features:
- Three-phase voltage, three-phase current measurement
- Selectable three-phase three-wire, three-phase four-wire
- Adjustable voltage and current multiplier
- Switching input
- RS485 communication function
- Switching remote control output
- Segment code LCD and digital tube display two types of selection
Measurement and metering |
Current |
Three-phase current |
Display mode |
Digital tube display |
Communication function |
Communication protocol |
MODBUS-RTU |
Communication mode |
RS485 |
Technical parameters |
Norm |
Operating power |
Voltage ranges |
AC/DC 85~265V |
Power consumption |
<5VA |
Accuracy Class |
0.5 class |
Importation |
Electric current |
Rating |
AC 5A(0.02A-6A) |
power consumption |
<0.2VA/Phase |
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 |









