150 kHz to 30 MHz Frequency Range 32...
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|Voltage Rating||500 Volts rms (line to line), 288 Volts rms (line to ground) Max DC Voltage: 705V|
|Frequency Range||150 kHz to 30 MHz|
|Standards Met||ANSI C63.4, CISPR 16-1-2|
|RF Connector||RF Measurement Port 50Ω - N-Type (female)|
|Mains & EUT Connections||Remote Interface Power Input Port 5.5/2.5 mm Power Jack|
|Current Rating||32 Amperes|
|Application/Test Type||Power Line Conducted Emissions Tests|
|Insertion loss||less than 0.7 dB|
|Isolation||more than 40 dB|
|Dimensions||19.3” x 13.9” x 2.3"|
These LISNs provide the necessary measurement platform for performing power line conducted emissions compliance testing as required by most worldwide standards for commercial products. The LISNs perform each of the following functions during the measurement:
The LISNs use air-core inductors to prevent saturation and permeability variation. The mounting plates are left unpainted in order to facilitate connection to earth ground in their installation, which is essential due to high leakage currents. The side panels for each LISN are louvered for cooling purposes. The LI-3P-163 and LI-3P-1100 also include two internal cooling fans operated by a switch on the rear panel.
Remote switching of the line under test (L1, L2, L3, N) is performed using the RLI-100 Remote LISN Interface, which controls the LISN via fiber optic connection.
Remote switching of the line under testRemote switching of the line under test
In addition to the remote method, the line under test can also be selected using the mechanical, four-position switch located on the front panel of the LISNs. Using either switching method, the lines which are not selected are internally terminated into 50 ohms, while the selected line is terminated by the 50 ohm input impedance of the measuring instrument.
The Com-Power LIT-153A Transient Limiter is a recommended accessory for protection of the RF input of your measuring instrument from potentially damaging, instantaneous voltage transients.
The transient limiter also reduces the possibility of overload by incorporating two 5 dB attenuation/impedance matching pads, in addition to its low-pass and high-pass filter sections which further attenuate any out-of-band emissions.
Each LISN is individually calibrated in compliance with the relevant requirements of CISPR 16-1-2 and ANSI C63.4. Impedance, Phase, Isolation, and Insertion Loss data is supplied with each unit, along with the certificate of calibration. Recognized ISO 17025 accredited calibration is also available upon request.
Typical Impedance Data
Typical Phase Data
Typical Insertion Loss
Typical Isolation Data