Эквивалент сети V-типа, CISPR 16-1-2, 9 кГц - 30 МГц, 50 мкГн + 5 Ом || 50 Ом, 2 x 10 A, розетка типа Schuko, 2 канала BNC-типа

NSLK 8117
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NSLK 8117NSLK 8117
NSLK 8117NSLK 8117

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Эквиваленты сети (LISN) NSLK 8117 Подробнее




Компания Schwarzbeck Mess-Elektronik - немецкая фирма, разрабатывающая и производящая продукцию для измерений и испытаний на ЭМС (электромагнитную совместимость).

Компания была основана в 1953 году в Германии Гюнтером Шварцбеком, который во всей Европе считается основоположником по созданию приборов для ЭМС-измерений. Головной офис Schwarzbeck Mess-Elektronik расположен в городе Шёнау-им-Шварцвальд.

Компания Schwarzbeck Mess-Elektronik выпускает широкий ряд измерительных антенн с сопутствующими аксессуарами, эквиваленты сети, системы… подробнее




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Основные возможности и технические характеристики

Description:

A V-LISN from the series of the NSLK line is required to measure conducted interference voltages according to VDE-, CISPR- and related standards. It provides the device under test with a mains connection that has a standardized impedance of 50 Ω || (50 µH + 5 Ω) and reduces interference voltages coming from mains. The interference voltage of the device under test is decoupled via a 7 kHz high pass filter to the EMI measurement receiver.

The NSLK 8117 is equipped with a 250 µH choke as well as with a 50 µH choke which is connected in series for each path. The 250 µH choke provides an excellent decoupling between the power supply and the device under test starting at 9 kHz.

Instructions for use:

Important! Connect the LISN to protecting earth BEFORE applying any voltage to it! For this purpose you can use the screw terminal at the front panel and the M4 thread holes at the rear side of the device. If you use the M4 thread holes at the back of the device make sure that the screws do not extend into the housing more than 10 mm.

Additionally a protective earth using a RF choke is functional as soon as the supply cable of the LISN is connected to a Schuko socket that is conform to the standards.

Due to high capacities very high leakage currents can occur. Thus it is not possible to use a residual current operated circuit breaker. It is recommended to use an isolating transformer.

The supply voltage has to be applied at the back panel of the LISN by using the Power supply socket.

The device under test has to be connected to the Schuko socket at the front panel. The maximum current that can be drawn is 10 A for each path. The maximum voltage that can be applied is 250 VAC.

One slow blow 16 A fuse is built into this LISN for each path to protect the device under test. The fuse holder is built into the LISN on a PCB, where you can also find a spare fuse in a separate holder.

Before you change the fuse make sure that the power supply is removed.

The coaxial RF output has to be connected to the EMI measurement receiver using a BNC coaxial cable.

The path that is not being measured has to be terminated with a 50 Ω dummy load. The protective ground conductor of the DuT  connector  is connected to the measurement ground directly.

“Artificial Hand”

If an „artificial hand“ has to be connected to the equipment under test, a copper foil wrapped around the handle of the device under test has to be connected to the screw terminal labeled with “Hand Simulation”.

General Information:

For measurements conforming to standards the references in the standard CISPR 16-2-1 have to be followed. Amongst others it is described that the AMN has to be grounded with a short and wide ground strap to the wall of the shielded chamber (or provisionally to a sheet metal board at the wall).

The LISN can be grounded using the screw terminal at the front panel as well as the M4 thread holes at the rear panel.

According to CISPR 16-2-1 the connecting cable of the device under test has to be laid in a 40 cm distance to the metal wall and the length of the cable should be 80 cm or being laid meander like. The way the cable is laid and the type of protective ground connection but also the capacitance of the equipment under test can influence the disturbance voltage especially at higher frequencies.

Свернуть Развернуть
Основные возможности и технические характеристики

Description:

A V-LISN from the series of the NSLK line is required to measure conducted interference voltages according to VDE-, CISPR- and related standards. It provides the device under test with a mains connection that has a standardized impedance of 50 Ω || (50 µH + 5 Ω) and reduces interference voltages coming from mains. The interference voltage of the device under test is decoupled via a 7 kHz high pass filter to the EMI measurement receiver.

The NSLK 8117 is equipped with a 250 µH choke as well as with a 50 µH choke which is connected in series for each path. The 250 µH choke provides an excellent decoupling between the power supply and the device under test starting at 9 kHz.

Instructions for use:

Important! Connect the LISN to protecting earth BEFORE applying any voltage to it! For this purpose you can use the screw terminal at the front panel and the M4 thread holes at the rear side of the device. If you use the M4 thread holes at the back of the device make sure that the screws do not extend into the housing more than 10 mm.

Additionally a protective earth using a RF choke is functional as soon as the supply cable of the LISN is connected to a Schuko socket that is conform to the standards.

Due to high capacities very high leakage currents can occur. Thus it is not possible to use a residual current operated circuit breaker. It is recommended to use an isolating transformer.

The supply voltage has to be applied at the back panel of the LISN by using the Power supply socket.

The device under test has to be connected to the Schuko socket at the front panel. The maximum current that can be drawn is 10 A for each path. The maximum voltage that can be applied is 250 VAC.

One slow blow 16 A fuse is built into this LISN for each path to protect the device under test. The fuse holder is built into the LISN on a PCB, where you can also find a spare fuse in a separate holder.

Before you change the fuse make sure that the power supply is removed.

The coaxial RF output has to be connected to the EMI measurement receiver using a BNC coaxial cable.

The path that is not being measured has to be terminated with a 50 Ω dummy load. The protective ground conductor of the DuT  connector  is connected to the measurement ground directly.

“Artificial Hand”

If an „artificial hand“ has to be connected to the equipment under test, a copper foil wrapped around the handle of the device under test has to be connected to the screw terminal labeled with “Hand Simulation”.

General Information:

For measurements conforming to standards the references in the standard CISPR 16-2-1 have to be followed. Amongst others it is described that the AMN has to be grounded with a short and wide ground strap to the wall of the shielded chamber (or provisionally to a sheet metal board at the wall).

The LISN can be grounded using the screw terminal at the front panel as well as the M4 thread holes at the rear panel.

According to CISPR 16-2-1 the connecting cable of the device under test has to be laid in a 40 cm distance to the metal wall and the length of the cable should be 80 cm or being laid meander like. The way the cable is laid and the type of protective ground connection but also the capacitance of the equipment under test can influence the disturbance voltage especially at higher frequencies.

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Сведения о реестре СИ
Номер в госреестре
84329-22
Наименование СИ
Эквиваленты сети
Обозначение типа СИ
NSLK 81хх
Изготовитель
Фирма "Schwarzbeck Mess-Elektronik OHG"
Срок свидетельства или заводской номер
11.01.2027

Свернуть Развернуть
Сведения о реестре СИ
Номер в госреестре
84329-22
Наименование СИ
Эквиваленты сети
Обозначение типа СИ
NSLK 81хх
Изготовитель
Фирма "Schwarzbeck Mess-Elektronik OHG"
Срок свидетельства или заводской номер
11.01.2027

Характеристики
Загрузить технические характеристики

Specifications:
Frequency range: 9 kHz – 30 MHz
AMN impedance: (50 µH + 5 Ω) || 50 Ω
Pre-filter choke: 250 µH
Maximum continuous current: 2 x 10 A
Maximum voltage: 250 VAC 50/60 Hz
350 VDC
Standard: CISPR 16-1-2
Connector for Mains: IEC Appliance Inlet C14
Connector for EuT: Schuko socket (Type F)
Connector for „artificial hand“: 4 mm banana socket with screw terminal 6 mm, not removable
Connection to ground: 4 screws M4x10 mm
Weight: 2.9 kg
Dimensions housing (WxHxD): 105 mm x 108 mm x 263 mm
Connector to EMI receiver: BNC-Buchse, 50 Ω
BNC socket, 50 Ω

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NSLK 8117
Эквивалент сети V-типа, CISPR 16-1-2, 9 кГц - 30 МГц, 50 мкГн + 5 Ом || 50 Ом, 2 x 10 A, розетка типа Schuko, 2 канала BNC-типа
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