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INSTRUCTION MANUAL

 

LI-550C 

LINE IMPEDANCE STABILIZATION NETWORK 

 

19121 El  T oro R d   ●  S il vera d o, Ca lifo rnia  926 76   ●   (94 9)  459 - 9600    ●  com - p ower.com

 

                

 

 

      REV021317   

 

8.0

 

  W

ARRANTY 

 

Com-Power warrants to its Customers that the products it manufactures will be free from 
defects  in  materials  and  workmanship  for  a period  of  three  (3)  years.  This  warranty  shall 
not apply to: 

 

Transport damages during shipment from your plant.   

 

Damages due to poor packaging. 

 

Products operated outside their specifications. 

 

Products Improperly maintained or modified. 

 

Consumable items such as fuses, power cords, cables, etc. 

 

Normal wear  

 

Calibration 

 

Products shipped outside the United States without the prior knowlege of Com-
Power. 

In  addition,  Com-Power  shall  not  be  obliged  to  provide  service  under  this  warranty  to 
repair damage  resulting from attempts to install, repair, service or modify the instrument 
by personnel other than Com-Power service representatives. 

Under  no  circumstances  does  Com-Power  recognize  or  assume  liability  for  any  loss, 
damage  or  expense  arising,  either  directly  or  indirectly,  from  the  use  or  handling  of  this 
product,  or any inability to use this product separately or in combination with any other 
equipment. 

When  requesting  warranty  services,  it  is  recommended  that  the  original  packaging 
material be used for shipping.  Damage due to improper packaging will void warranty. 

If  you  feel  that  the  product  is  not  working  as  intended,  or  is  malfunctioning,  please 
contact Com-Power for assistance. 

In the case of repair or complaint, Please visit our 

website 

www.com-power.com

  and  fill  out  RMA  form  (

http://com-

power.com/repairservicereq.asp

).  Our  customer  service  personnel 

The  RMA 

number  should  be  displayed  in  a  prominent  location  on  the  packaging  and  on  the  
product, along with a description of the problem, and your contact information.           

                 

 

8.1 Maintenance 

 

This product contain no user serviceable parts inside. If the unit does not operate 
or needs calibration, please contact Com-Power Corporation. Any modifications 
or  repairs  performed  on  the  unit  by  someone  other  than  an  authorized  factory 
trained technician will void warranty. 
 
The exterior surface may be cleaned with mild detergent and then be wiped with 
a  dry,  clean,  lint-free  cloth.  Use  care  to  avoid  liquids  or  other  foreign  objects 
entering the chassis. 

 

Содержание LI-550C

Страница 1: ...MANUAL LI 550C LINE IMPEDANCE STABILIZATION NETWORK 19121 El Toro Rd Silverado California 92676 949 459 9600 com power com REV021317 INSTRUCTION MANUAL For LINE IMPEDANCE STABILIZATION NETWORK Model L...

Страница 2: ...scription 10 5 1 Overview 10 5 2 Product Setup 10 5 3 Front Rear Panel Marking 11 6 0 LISN Theory 13 7 0 Typical Performance Data 14 8 0 Warranty 16 8 1 Maintenance 16 List of Figures Figure 1 Single...

Страница 3: ...front and rear panel ports controls and indicators product specifications safety precautions operational instructions and warranty information and guidelines and instructions for its proper usage Info...

Страница 4: ...Networks CDN Comb Generators Current Probes Emissions Test Systems Conducted Immunity Test Systems Impedance Stabilization Networks ISN Line Impedance Stabilization Networks LISN Antenna Masts Near Fi...

Страница 5: ...e product The yellow triangle with a lightning bolt indicates an alert to the user that un insulated dangerous voltages are present within the product enclosure and on output connectors These voltages...

Страница 6: ...r connection Optional items ISO 17025 calibration data and certificate 3 4 General Safety Instructions The following safety instructions have been included in compliance with safety standard regulatio...

Страница 7: ...EN 61010 1 standard safety requirements for electrical equipment for measurement control and laboratory use In addition the basic insulation required for a category I protection device cannot be assu...

Страница 8: ...b upon the instrument or use it as a step or ladder ENVIRONMENTAL CONDITIONS This equipment is designed for indoor use Ambient temperature range during operation should be between 5 C to 40 C STORAGE...

Страница 9: ...ISPR 25 CISPR 16 1 2 Edition 2 0 2014 03 Number of lines Two lines Max current rating 50 Amp AC 35 Amp DC Max Voltage rating 270 VAC 50 60 Hz Line to Ground 380 VDC Inductor type 5 H EUT Power connect...

Страница 10: ...minimizing its influence on the measurements and couples the disturbance voltages to the coaxial measurement port for connection to the measuring instrument like EMI Receiver or Spectrum Analyzer 5 2...

Страница 11: ...arth leakage current the device cannot be connected to any power source protected by either a ground fault circuit interrupter GFCI circuit breaker or residual current devices RCDs The power source mu...

Страница 12: ...3 4 EMI measurement Port The LI 550C provides a 50 N Type female connector to connecting the Spectrum analyzer or EMI receiver for making conducted noise measurements The shielding connection of the...

Страница 13: ...wer line from reaching the equipment under test however the power to the equipment passes through the LISN with minimal attenuation This filter is comprised of a single stage low pass LC filter The in...

Страница 14: ...ed to CISPR 25 CISPR 16 1 2 requirements Figure 7 Typical Phase compared to CISPR 16 1 2 requirements 0 10 20 30 40 50 60 0 1 1 10 100 1000 Impedance ohms Frequency MHz LISN Impedance CISPR 16 1 2 Ed...

Страница 15: ...om power com REV021317 Figure 8 Typical Isolation compared to CISPR 16 1 2 requirements Figure 9 Typical Insertion Loss 0 20 40 60 80 100 0 1 1 10 100 1000 Isolation dB Frequency MHz LISN Isolation CI...

Страница 16: ...directly or indirectly from the use or handling of this product or any inability to use this product separately or in combination with any other equipment When requesting warranty services it is recom...

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