ST470 multi-function instrument

ST470-3
ST470-8
ST470-4
ST470-3-1
ST470, ST490 series three-phase full power measurement multi-function table, using high-resolution color LCD display, set measurement, analysis, monitoring and other functions in one. The instrument comes standard with 1 channel of RS485 communication (Modbus-RTU protocol), and can be equipped with 2/4/6 channel of passive switch input, 2/4 channel of relay output, 1 channel of analog output, harmonic function, etc. Users can flexibly select and match according to project requirements.
The instr

ST470, ST490 series three-phase full power measurement multi-function table, using high-resolution color LCD display, set measurement, analysis, monitoring and other functions in one. The instrument comes standard with 1 channel of RS485 communication (Modbus-RTU protocol), and can be equipped with 2/4/6 channel of passive switch input, 2/4 channel of relay output, 1 channel of analog output, harmonic function, etc. Users can flexibly select and match according to project requirements.
The instrument has comprehensive functions, easy installation and high cost performance. Widely used in power generation, petroleum, petrochemical, metallurgy, coal, paper, rail transit and building construction and other places.

Function List

Function

ST470-AI3

ST470-AV3

ST470

ST490

measurement

three-phase voltage

√

√

√

three-phase current

√

√

√

Three-phase average voltage

√

Three-phase average current

√

Three-phase active power

√

√

Total active power

√

√

three-phase reactive power

√

√

Total reactive power

√

√

three-phase power factor

√

√

total power factor

√

√

frequency

√

√

phase angle

√

√

Positive active energy

√

√

Reverse active energy

√

√

Positive reactive energy

√

√

Reverse reactive energy

√

√

apparent electrical energy

√

√

voltage total harmonic

current total harmonic

voltage 2~31 harmonic

current 2~31 harmonic

input output

switching value input

2 way (2DI)

4-way (4DI)

4-way (4DI)

6 Road (6DI)

switching value output

2-way (2DO)

2-way (2DO)

4-way (4DO)

analog output

1 (M)

1 (M)

pulse output

& radic;1

clock

clock

√

Event Logging

Overvoltage Protection

√

Overcurrent Protection

√

phase loss protection

√

DI linkage

√

Communications

RS485 interface

Modbus-RTU Protocol

& radic;(1)

& radic;(1)

& radic;(1)

& radic;(1)

1 (C2)

Display

color screen

2.2 inches

2.2 inches

2.2 inches

3.5 inches

Note: "& radic;" indicates standard features,""indicates the optional function, and blank indicates no such function.

Product Details

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