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Đồng hồ giám sát hiệu suất tiêu thụ công suất cao - EM920 eXpertmeter

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Model:             EM920

Nhà sản xuất:  SATEC

Xuất xứ:          Isarel


The SATEC Model EM920 eXpertmeter™ is an advanced energy analyzer in a socket meter with precise measurement and expansion capabilities.

The EM920’s unique “Add-On” modularity is the key to its remarkable versatility and unprecedented effort to add intelligence, control and communications to electrical metering. SATEC’s “Add-On” module concept allows you to configure the meter to your changing needs, thus saving valuable time in the field or future costly replacements. Technological advancements revitalize legacy applications to rapidly and cost-efficiently respond to changing market conditions.

The Model EM920 eXpertmeter™ is an advanced energy meter that exceeds Class 0.2S class revenue billing requirement. It provides long term memory for load & trend profiles, and includes advanced power quality analysis to detect and record waveform events and fault currents harmful to power systems.

The EM920 eXpertmeter™ is MET certified.

SATEC EM920 is offered either in Form 9S construction or with a wide range of adapters and enclosures.
Tiêu đề
Hotline hỗ trợ: +84 94 20 868 02
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Số lượng
Báo giá nhanh

Inputs Ratings

AC Voltage inputs

Va, Vb, Vc and Vref - 50/60Hz

High input impedance = 10MW

Reference voltage Un 120V up to 277V L-N (direct) standard

Voltage rating: 120 up to 277 Volts (L-N), 207 to 480 Volts (L-L)

 

Voltage range Crest factor >2 [VL-N x 1.2 x 2]

0 -332 V r.m.s, peak up 665V (for PQ)

Maximum Line to Line voltage

1152 V r.m.s

Temporary over voltage between live conductors and earth

Transient over voltage between live conductors and earth (TRM optional module, from 15 μs up to ms)

1500 V r.m.s

 

6 kV peak, 2kV measurement

Starting voltage

0.1%Un

Burden per phase

< 0.5 VA

Overload withstand for 1 minute phase-to-ground (ANSI C12.1 & IEC 62053-22, protective class II)

4000V r.m.s

Rated impulse voltage (ANSI C12.1 & IEC 62052-11, protective class II)

6000V peak

Reference voltage Un 57.73V up to 120V LN (via PT) optional

Voltage rating: 57.73 up to 120 Volts (L-N), 100 to 207 Volts (L-L)

 

Voltage range Crest factor >2 [VL-N x 1.2 x 2]

0 -144 V r.m.s, peak up 288V (for PQ)

Maximum Line to Line voltage

500 V r.m.s

Temporary over voltage between live conductors and earth Transient over voltage between live conductors and earth (TRM optional module, from 15 μs up to ms)

240 V r.m.s

 

1.5 kV peak

Starting voltage1

0.1%Un

Burden per phase

< 0.2 VA

Overload withstand for 1 minute phase-to-ground (ANSI C12.1 & IEC 62053-22, protective class II)

4000V r.m.s

Rated impulse voltage

(ANSI C12.1 & IEC 62052-11, protective class II)

6000V peak

Voltage/Current inputs

Terminals for wires size

Blades (Socket meter standard – C12.10)

Ground input

Terminals for wires size

According to Socket meter standard – C12.10

AC Current inputs

3 (4 optional) Galvanic isolated Inputs

Reference Current Basic model In = 5 A (TA = 2.5A)

Current class Imax

10A & 20A

Maximum measurable short circuit current (Isc)

10 x In

Burden per phase (In = 5 A)

< 0.2 VA

Starting current (I1, I2, I3) – average

Starting current (I1, I2, I3) – real time

0.2% In

1.0% In

Over current withstand for 1 s non-recurring

50 x In

Isolation

4000V r.m.s

Terminals for wires size

Blades (Socket meter standard – C12.10)

Blades (Socket meter standard – C12.10)

FORM 9 (39 optional)

Power Supply

Power Supply

Supplied from Monitored Voltage inputs

480V model standard (direct)

Three Phase PS, Rated Inputs (L-N) 50/60 Hz

120 – 277V AC ± 20%

Operating voltage range

96 – 550V AC

Insulation Dielectric withstand

2500V AC @ 1mn

Operating Temperature range

-40ºC to + 75ºC

Output voltage

+12V DC ± 5%

Burden per phase

6VA

120 V model optional (via PT)

Three Phase PS, Rated Inputs 50/60 Hz

Three Phase PS, Rated Inputs 50/60 Hz

Operating voltage range

47 – 250V AC

Insulation Dielectric withstand

2500V AC @ 1mn

Operating Temperature range

-40ºC to + 75ºC

Output voltage

+12V DC ± 5%

Burden per phase (w/o AUX. PS) Burden per phase (w. AUX. PS)

6VA

<0.1VA

Auxiliary AC/DC Power supply1

AC/DC

Optional module

Operating Temperature range

-40ºC to + 75ºC

Rated Input, 0-400 Hz

50-288V AC, 90-290V DC

Isolation

2500V AC @ 1mn

Output voltage

+12V DC ± 5%

Burden

6VA

Terminals for wires size

3 x 2.5 mm2 pig-tail cable

Battery for RTC and SRAM

Minimum operation reserve 48 h. – if no use of battery (According to AS 1284.7/IEC 1038)

 

Total reserve capacity shall be not less than 2000h – with use of battery. (According to AS 1284.7/IEC 1038)

Up to 3 years

More than 10 years service battery life (According to AS 1284.7/IEC 1038)

 

Input/Output ports

Fast Status input

2DI basic 8DI Optional module2

Digital Input optically isolated

Dry contacts, internally wetted

24V DC

Resistance of open contact sensing

> 1Mohm

Resistance of closed contact sensing

< 100 Ohm

Sampling rate

1 ms

Insulation Dielectric withstand

2500V AC @ 1mn

Terminals for wires size

10 x 2.5 mm2 cable

RELAY OUTPUT

 

 

Relay Output - KYZ basic

Digital output – SSR optically isolated

1

1 relay (Form C)

0.5A @ 250V AC/DC

Operation time

Release time

1 ms

1 ms

Insulation Dielectric withstand

2500V AC @ 1mn

Terminals for wires size

Blades (Socket meter standard – C12.10)

Relay Output

Digital output – combined SSR + EMR

4 x FORM C + 2 x FORM A

6RO Optional module1

SSR – 4 relays (FORM C)

0.15A @ 250V AC/DC

Operation time

Release time

1 ms

1 ms

Insulation Dielectric withstand

2500V AC @ 1mn

EMR – 2 relays (FORM A), ½ cycle operation

5A @ 250V AC

Operation time

Release time

5-7 ms + ½ cycle

5-7 ms + ½ cycle

Insulation resistance of open contacts

> 2 MΩ or 1000V @ 1mn

Insulation Dielectric withstand

2500V AC @ 1mn

Terminals for wires size

16 x 2.5 mm2 cable

Analog Outputs

4AO Optional module1

Analog output galvanic isolated

4

Type of Outputs

4-20 mA default

0-20 mA option

0-1 mA (2mA max.) option

± 1 mA (±2mA max.)option

Non-linearity

0.2%

Load for 20 mA

<510 Ohm

Accuracy

0.5%

Power supply

Internal

Insulation Dielectric withstand

2500V AC @ 1mn

Terminals for wires size

5 x 2.5 mm2 cable

Communication ports

COM1

IR port Basic

Built-in Infra Red communication port

DISPLAY unit

RS232 communication, TTL level, max baud rate

19.2 kb/s

Protocols

MODBUS RTU/ASCII and DNP3.0

Optically isolated

2500V AC @ 1mn

Optical port per ANSI C12.18

Type 2

COM2

2G (GSM/GPRS)/3G/ 4G cellular or MODEM Optional module1

Plug-in modules isolated communication port

RS232 communication, TTL level, max baud rate

115.2 kb/s

Isolation

2500V AC @ 1mn

GSM/GPRS module

Quad Band GPRS class10

Antenna connection

Coax cable terminated with SMA connector

Protocols

MODBUS/TCP or DNP3.0/TCP

MODEM module

Telephone Line according to FCCp.68 and TBR21

Line connection

RJ11

Protocols

MODBUS/RTU, MODBUS/TCP or DNP3.0, DNP3.0/TCP

COM3

basic

Built-in serial communication port

RS-485 isolated

115.2 kb/s

Isolation

2500V AC @ 1mn

Protocols

MASTER/SLAVE MODBUS RTU/ASCII and DNP3.0

Terminals for wires size

2 x 2.5 mm2 shielded twisted cable

COM4 ETH-TX MODEM Optional module1

Plug-in modules isolated communication port

Versatile RS-232/RS-485

 

Max. Baud rate

115.2 kb/s

Isolation

2500V AC @ 1mn

Protocols

MODBUS RTU/ASCII and DNP3.0

Terminals for wires size

5 x 2.5 mm2 shielded twisted cable

USB – FS device basic

Communication port

Basic

USB communication port

Full speed Device

USB port Baud rate

12 Mb/s

Protocols

MODBUS RTU/ASCII and DNP3.0

USB connector

Cable terminated with USB type A

IRIG-B ETH-TX MODEM Optional module1

Input Isolation

2500V AC @ 1mn

Time code signal

Demodulated (pulse-width coded)

Signal Level

Unbalanced 5V

Terminals for wires size

2 x 2.5 mm2 twisted cable

Recommended cable

51Ohm low loss - RG58A/U (Belden 8219 or equivalent), TNC connector

Recommended GPS time code generator

Masterclock GPS-200A

10/100Base-T ETH-TX Optional module1

Plug-in modules network communication port

Plug-in modules network communication port

IEEE 802.3

Ethernet port Baud rate

10/100 Mb/s

Protocols

MODBUS/TCP or DNP3.0/TCP protocols and IEC 61850-8-1, up to five non-intrusive simultaneous connections, Telnet service port

ETH port Isolation

2500V AC @ 1mn

ETH connector

ETH shielded cable terminated with Standard RJ-45 shielded connector

Console Display Unit

Display Panel

 

 

Display Panel

LCD graphic bright display

Multiple screens display

Resolution

340 x 220 dots

Size

4’

Operational temperature

-20°C to + 70°C

Backlit LCD display screen

Timeout operation

LEDs

Energy LED Pulsing

2 x RED (WATT & VAR)

Communication

IR port, COM1

ANSI C12.18

Navigator buttons

Accessible Buttons – SCROLL, SELECT/ENTER

2

Sealed Button – DEMAND RESET

1

Under cover Button – TEST mode

1

Real Time Clock

 

5 ppm Accuracy @ 25°C

2.7 minute / year

 

RTC backup data retention

5 years

Log Memory

Non-volatile memory (20years Data retention)

For energy and tariff registers logging, EV-PQ-DATA-WV log

16 MB

Environmental Conditions

 

Operational temperature

-40 ºC to 75 ºC

 

LCD Operational temperature

-20 ºC to 70 ºC

 

Storage temperature

-40 ºC to 85 ºC

 

Humidity

0 to 95% non-condensing

Construction

Enclosure With sealing cover

Socket Meter base enclosure

ANSI C12.10 for electronic meter

Size:

Æ 6" x L 7" x base Æ 7"

Weight

4 lb

Mounting

ANSI C12.10 – FORM 9S/9A

Standards Compliance

EMC

Immunity

ANSI C12.1

Reference: IEC 61000

Surge – IEEE C62.41.2-2002

100kHz ring wave

1.2/50 µs – 8/20 µs

 

6kV / 0.5kA 

6kV / 3kA

Magnetic field – ANSI C12.1

 

FTB – IEC 61000-4-4, level 4

4kV – measuring inputs 2kV – I/O and com.

SWC – IEEE C37.90.1

2.5kV – measuring inputs, I/O an com.

Electromagnetic RF Fields – ANSI C12.1

20V/m @ 200kHz – 10GHz

ESD - IEC61000-4-2

15KV – air

Emission

Radiated / Conducted - FCC/CFR 47 p.15

Class B

Safety

ANSI C12.1

 

Insulation, ANSI C12.1

2.5 KV r.m.s. @ 1mn

Environment

Mechanical Shock - IEC 60068-2-27 :1987 / ANSI C12.1: 2008

15g @ 11ms

Mechanical Vibration - IEC 60068-2-6 :1987 / ANSI C12.1: 2008

0.5g @ 30-350 Hz

Transportation drop and vibration – ISTA 1A / ANSI C12.1

 

Operational temperature – ANSI C12.1

-40 ºC to 75 ºC

Storage temperature – ANSI C12.1

-40 ºC to 85 ºC

Humidity – ANSI C12.1

 

Measurements and Accuracy

 ANSI C12.1

Active Energy measurement - ANSI C12.20 class 10/20

Class 0.2S

Power Quality

PQ methods – IEC 61000-4-30

Class A

Harmonics & Interharmonics measurements – IEC 61000-4-7

Class I

Flicker measurements – IEC 61000-4-15

Class I

Report – EN50160

 

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I. Tài liệu Tiếng Anh:

 ⇒ Catalog sản phẩm - Model EM920

 ⇒ Tài liệu tham khảo thử nghiệm

II. Tài liệu Tiếng Việt:

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