LNFA73 Intelligent LCD Display Digital Three-Phase Current Meter AC AmmeterLNFA73

1、It has LCD screen to easy setting and make your operation simple and convenient.

2、Support variable ratio programmable meter, optional communication function,support for Modbus-RTU communication protocol.

3、This is a AC ammeter with high reliability, high safety and automatic measurement.

4、This series of digital display AC measuring instruments is suitable for measuring voltage or current parameters of power distribution system.

5、This digital display ac ammeter is suitable for measuring three-phase ac current parameters of power distribution system.Condition: 100% Brand New

Item Type: Ammeter

Material: ABS

Size: Approx. 7.2 x 7.2 x 5.2cm / 2.8 x 2.8 x 2in

Weight: Approx. 192g / 6.8oz

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Working Power Supply(Auxiliary Power Supply)

AC/DC(80-270)V

Power Consumption

≤5VA

Withstand Voltage

≥2KV

Voltage Input

Range

3X230/400V

Resolution

0.1V

Impedance

≥1.7MΩ/phase

Power Consumption

≤0.1VA/phase

Overload

continuouns: 1.2Un, Instantaneous: 2Un/1min

Frequency

45-65HZ

Current Input

Range

3X5A/1A

Resolution

1mA

Impedance

≤20mΩ

Power Consumption

≤0.2VA/phase

Overload

Continuous: 1.2ln, Instantaneous: 10ln/5s

Power Pulse Output

Pulse Width

80ms士20%

Maximum Port Voltage

35V

Maximum Port Current

10mA

Impulse Frequency

≤10HZ

Output Object

Positive active energy, positive reactive energy

Communication Interface

Physical Interface

RS-485

Traffic Rate

Highest 9600bPS

Communication Protocol

Modbus-RTU

Isolation Voltage

2000VAC（1min)

Environmental Specification

Working Temperature

-10℃-55℃

Storage Temperature

-25℃-70℃

Relative Humidity

≤95%RH

Working Altitude

≤2500m

Anti-fouling Level

Non-corrosive Gas

Protection Grade

Display surface casing lp54, Meter Shell lP20

Insulation

Signal, power supply, output terminal resistance to the shell>100MΩ

Withstand Voltage

Power, input, output≥2KV

Display

LCD

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1 x Ammeter1 x Instruction