Multifunctional watch LCD

Technical parameters

Index

Input

Net work

Three-phase three-wire, three-phase four- wore

Voltage

Rated value

AC 0~500v

Over load

Consistent 12 times iostaotaoeos,2 times /30s

Consumption

<0.5VA(each phase)

Impedance

>500k0

Current

Rated value

AC  1A, SA

Over load

Consistent：1 .2 times mstaotaneocs,2 times 11s

Impedance

<2m0

Frequency

45-65Hz

Output

Electric energy

Output mode

Two-channel open-collector, optical coupling poise output

Pulse constant

Active 3200imp/kwh

Reactive 3200imp/kvarh

Start

On the condition of rated voltage ,reference frequency and cos =1.0, when load operational

Current is 0.01ln, It can start and measure the electric energy continuously.

Creep

When execting115% rated voltage and no current in the current circuitry, the instrument is with no electric energy accumulation and pulse output

Output

Communication

Output mode

RS485

Protocol

MODBUS_RTU

Baud rate

1200,2400,4800, 9600

Analog

quantity

Channel quantity

4 channels

Output mode

0-20mA, 4-20mA

Load ability

<400W

Switching value

Channel quantity

4 channels

Output mode

Normally open relay contact output

Contact capability

AC 240V/2A

Switching value input

Four channel dry contact input modes

Display mode

LCD(Blue back lighting)

Measuring accuracy

Voltage, current

土 (0.5%FS+one digit)

Active power, reactive power

士 (0.5%FS+one digit)

Frequency

士 0.1H z

Power factor

士0 . 01P F

Active energy

士0. 5%(only for reference, not for meterage)

Reactive energy

士1.0 %(only for reference, not for meterage)

Source

Scope

AC 220V,50/60Hz

Consumption

<5VA

Safety

With stand voltage

Input and source

>2kv50Hz/1m,n

Input and output

>1kv50Hz/1min

Output and source

>2kv50Hz/1min

Insulating resistance

Any two of input, output, source, casing>20MO

Environment

Temperature

Operation>10-50°C

Storage, -25-70°C

Humidity

S85%RH, free of wet and corrosive gas

Elevation

≤3000m

Function &Shape/Model

Measure &Display

Shape Code (Figuer Inside)

Selected Additional Functions

Phase VoltageV

Line Voltage

Current

Freuqency

ower Pator

Acive Power

otalReactivePower

otalpparent Power

Each Phase

Power Pactor

Each Phase

Apparent Power

Active Energy

Reactive nergy

⑨

96×96

⑧

80×80

7

72×72

Communication

interface:R5485

4-channels witch outputs

4-chnnels

switch input

4-channels analog output

Harmonic

SFS-□S3-3E

●

●

●

●

●

●

●

●

●

V

+

SFS-□SY-3E

●

●

●

●

●

●

●

●

●

●

●

●

√

十

SFN-□S3-3E

●

●

●

●

●

●

●

√

√

十

SFN-□SY-3E

●

●

●

●

●

●

●

●

●

●

●

●

●

●

√

√

√

十

SFN-□S3-3E+4DO

●

●

●

●

●

●

●

●

●

√

十

十

SFN-□SY-3E+4DO

●

●

●

●

●

●

●

●

●

●

●

●

●

●

√

十

十

SFN-□S3-3E+4DI

●

●

●

●

●

●

●

●

●

√

十

十

SFN-□SY-3E+4DI

●

●

●

●

●

●

●

●

●

●

●

●

●

●

√

十

十

SFN-□S3-3E+4AO

●

●

●

●

●

●

●

●

●

√

十

十

SFN-□SY-3E+4AO

●

●

●

●

●

●

●

●

●

●

●

●

√

十

十

SFN-□SY-3E+H

●

●

●

●

●

●

●

●

●

●

●

●

●

√

十

十