Digital voltmeter (intelligent type) -72x72

AOB394U-7X1 Digital Voltage Meter (Intelligent Type) -72x72 Application: Can be used in any situation with high interference, such as frequency converters, soft starters or thyristor voltage regulators, inverters (for photovoltaic projects), etc

　　AOB394U-7X1 Digital Voltage Meter (Intelligent Type) -72x72

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NameDigital voltmeter (intelligent type) -72x72

Model: AOB394U-7X1

Specification: AC 450V

Power supply: AC/DC85~264V

Hole: 67x67mm

Usage: It can be used in any environment with high interference, such as frequency converters, soft starters, thyristor voltage regulators, inverters (for photovoltaic projects), etc.

Technical Specifications

Voltage measurement display range: AC 0-600V (direct measurement), AC 600V-9999kV (with attached */100V voltage transformer)

Input frequency range: 45~65Hz

Measurement accuracy: Level 0.5

Sampling rate: 3 times/s

Measurement display method: True RMS measurement, single row 4-digit LED digital display

Input circuit power consumption:<0.5VA

Display resolution: 0.001A and 0.1V

Auxiliary power supply: AC/DC 85-264V 50/60Hz power consumption<3VA

Alarm output: Same relay output for upper and lower limit alarms, relay contact capacity AC250V/2A, DC30V/2A

Transmission output: Linearity 0.3%, output can be freely switched between 0-10mA, 0-20mA, 4-20mA, load resistance ≤ 300 Ω, transmission output and signal

Electrical isolation between input and auxiliary power ports

Communication interface: RS485 serial communication, using MODBUS_STU communication protocol

Working environment: Non corrosive environment with temperature ranging from -10 to 50 ℃ and humidity ≤ 85% RH