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User Guide 

 Line Impedance Stabilization Network 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Certificate of Compliance 

 

 

Dear Sir; 

 

 

We hereby certify that the products are manufactured, inspected, and tested 

according to the rule and regulation of EMCIS quality control program   

based on ISO9001,version 2000. 

 

 

 

 

 

 

 

 

With best regards, 

 

 

 

 

 

 

EMCIS Co., Ltd. 

 

 

 

 

 

Quality Control Dept. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for LISN

Page 1: ... 77 Deokcheonro Manan gu Anyang si Gyeonggi Do Korea 14086 Website www emcis co kr e mail emcis emcis co kr 1 ELECTRO MAGNETIC COMPATIBILITY INSTRUMENTS SOLUTION LISN LN2 100A User s Operating Manual Please read this manual before usage Please keep this manual with the equipment ...

Page 2: ...mproper or insufficient maintenance by the customer The fault is due to natural disaster including fire flooding and earthquake etc The fault is due to use of non specified peripheral equipment peripheral parts consumables etc The fault is due to use of non specified power supply or in non specified installation location In addition this warranty is valid only for the original equipment Purchaser ...

Page 3: ...ificate of Compliance Dear Sir We hereby certify that the products are manufactured inspected and tested according to the rule and regulation of EMCIS quality control program based on ISO9001 version 2000 With best regards EMCIS Co Ltd Quality Control Dept ...

Page 4: ...ire or serious damage to the instrument or other equipment Do not proceed until its suitable conditions are met Warning Risk of hazard which cause injury to human body or danger to Life if a WARING appears on the instrument and in this manual do not proceed until its suitable conditions are met Earth without guide Earth with guide Please read this manual before usage Please keep this manual with t...

Page 5: ...User Guide Line Impedance Stabilization Network 5 Contents 1 0 Introduction of LISN 2 0 Specification 3 0 Packaging 4 0 Installation 5 0 Measurement 6 0 Calibration Appendix Isolation Transformer ...

Page 6: ...present a 50Ωimpedance to the EUT The 50Ω impedance was selected because theoretical and empirical data have shown that the power circuitry statistically looks like a 50Ω impedance to standard electronic equipment and RF test equipment is typically designed for 50Ωinput The bandwidth is typically determined by the operating frequency of the potential victims of the EUT s conducted emissions The ma...

Page 7: ... 25uF Max Current 100A Max Voltage AC 250V Power frequency DC 60Hz Output mode Test Analysis RF output BNC 50Ω Dimension W350 D530 H241 mm Weight 28 kg Environmental Specification Installation Indoor usage only Operation Temperature Humidity 5 40 C 20 80 RH Storage Temperature Humidity 20 65 C 20 80 RH EMCIS s Own Function Test Mode Line 1 2 same as conventional LISN Analysis Mode Common Mode and ...

Page 8: ...ction button Analysis selection button Output terminal cap Artificial hand Ground terminal EUT power terminal Calibration ground terminal Rear Panel Input terminal CAP Ground terminal Input terminal Don t use Output Input Terminal for moving the instrument They could be broken easily For moving use grip bars on both side of the instrument ...

Page 9: ... without proper earth connection is strictly Warning prohibited Due to the high leakage current to ground inherent to this type of equipment it is necessary to install a supplement protective earthing wire from the protective earth terminal on the front rear panel of the LISN to an appropriate earthing point of the power mains If the main line is equipped with the fault current protection switch r...

Page 10: ...nstalled Input power connection is made through the properly rated power cords meet the related specification 4 3 Measuring instruments connection It is advisable to connect the input and output connectors to Caution their proper power lines and loads before connecting to the measuring instrument Otherwise it is possible to damage the mixer or attenuators of the test instruments due to power surge...

Page 11: ...0 Measurement 5 1 RF Mode Test Mode LN2 100A is connected to measuring instrument EMI Receiver or Spectrum Analyzer through BNC connector on the front panel Select RF Mode Line1 or Line2 It is normal to choose the highest noise line for your test results ...

Page 12: ...ation Network 12 5 2 Analysis Mode Analysis Mode has two output ports to measure Common noise and Differential noise Based on EMCIS own technology LN2 50N works with EMI ANALYZER to separate Common Mode noise and Differential Mode noise ...

Page 13: ...ISN s calibration has to meet the impedance curve specified in CISPR 16 Because it is needed to get the same result even in changed places or repeated tests LISN needs the exclusive jig for calibration Output BNC for measuring is terminated with 50Ω resistor and measure separately L1 and L2 For the detailed impedance measurement sweep measuring is needed Calibration at a few frequency may not show...

Page 14: ... It is much recommended to check the currently used electricity and to use Isolation transformer if the electricity is not in not recommended condition Required electricity condition for LISN noise measurement Wrong electricity in measurement and for LISN Standard Isolation Transformer circuit 220V L N 110 V G 110 V 220V ...

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