User`s Manual PMM L2-16B
Contents
1. 0 gt GND 1 gt 46V internal sleeve Brown Yellow Black a Solder side 9 Male Connector DB15 Fig 3 8 LISN remote cable configuration for PMM 9010 L2 16B Equipment narda Safety Test Solutions The following figure shows the LISN remote cable pin configuration The cable can be requested to Narda or you can make it by yourself 3 8 LISN remote cable Configuration for PMM 8010 z n pa p p 4 i e x 1 veal Solder side Female Connector 7 pin GND 12v REMOTE LI L2 PE TET FELZ 4 Var ha sto O gt H 2 gt LISN remote cable configuration Length 2m Female Connector 7 pin a p internal sleeve eo ee i 1 pt 1 GND i Yellow 2 2 ne a 2 12V REMOTE 3 3 I l Grey 5 5 LI L2 PE 6 TTL1 FTLZ Fig 3 9 LISN remote cable configuration for PMM 8010 L2 16B Equipment narda Safety Test Solutions 4 Installation 4 1 Introduction This section provides the information needed to install the PMM L2 16B Network Included is information pertinent to initial inspection power requirements interconnections environment instrument mounting cleaning storage and shipment 4 2 Initial inspection WARNNG To avoid hazardous electrical shock do not turn on the instrument when there are signs of shipping damage to any portion of it 4 3 Packing Unpacking Inspect the shipping container for damage If the shipping2. TEST RECEIVER 500 Fig 3 5 Front Panel Legend 1 Artificial Hand 2 Ground contact for 4mm plug 3 Mains supply to DUT 4 Manual switch for phase under test With PMM receivers remote control the switch is disabled and the switching is automatic 5 Band Switch 6 RF output to EMI Signal Analyzer 7 Line under test indicating led In Figure 3 2 rear panel of PMM L2 16B Network SAFETY WARNINGS A DO NOT REMOVE COVERS REFER SERVICING TO QUALFE PERSONNEL ONLY THE POWER CORD PROTE MUST BE CONNECTED TC aa DN FJ REMOTE CONTROL a o Fig 3 6 Rear Panel Legend 1 Mains LISN supply 2 Remote control connector for further information refer to 3 6 3 Protective earth connector for 4mm plug L2 16B Equipment 3 3 narda Safety Test Solutions 3 6 Remote receiver The Remote receiver control connector is on the rear panel control connector a i Fig 3 7 Remote Control connector Front view Legend e 1 GND e 2 12V e 5 TTL TIL LINE 0 L1 1 L2 Legend e 0 gt GND e 1 gt 5V L2 16B Equipment narda amp Safety Test Solutions The following figure shows the LISN remote cable pin configuration The cable is provided with the LISNs 3 7 LISN remote cable Configuration for PMM 9010 LISN R Ves Solder side Di Female Connector 7 pin GND 1 12V REMOTE LI L2 PE remote cable configuration Length Mm Legend
3. container or cushion material is damaged it should be kept until the contents of the shipment have been checked for completeness and the instrument has been checked mechanically and electrically Verify the accessories availability in the shipping container referring to the accessories check list enclosed with the Operating Manual Notify any damage to the carrier as well as the NARDA Representative 4 4 Preparation for use From the line conductor to the case of the unit there is a leakage current of appox 80 mA when operating at 220 V 50 Hz The line conductor is connected to ground via a 2 uF capacitor due to the measurement system to be applied WARNING Over current protection is not provided in the LISN The LISN must be i connected to a power mains which has the properly rated mains protection installed The leakage currents between the phases and the earth line generally SU WARNING exceed permitted limits for typical house environments due to internal capacitors for this reason it is mandatory to use a current rated insulating transformer to supply the PMM L2 16B Network PMM L2 16B Network the insulating transformer and Equipment SU WARNING Under Test must be provided by an appropriate current rated contact i breaker or fuses as closest as possible on the supply line and with a safety indication of equipment operated by This is a Safety Class equipment it is provided with a protective earth terminal Before connecting thi
4. EMENT 5 Sales amp Support Manufacturing Plant 95008 Ne n a rd a hint Via Leonardo da Vinci 21 23 Via Benessea 29 B 9 Safety Test Solutions Test 20090 Segrate MI ITALY 17035 Cisano sul Neva SV 9 Arety TEST SOIUUONS Solutions Tel 39 02 2699871 Tel 39 0182 58641 2 ve Fax 39 0182 586400 a I an Communications Company S r l Socio Unico Fax 39 02 26998700 http www narda sts it User s Manual PMM L2 16B ARTIFICIAL MAINS NETWORK SERIAL NUMBER OF THE INSTRUMENT You can find the Serial Number on the rear panel of the instrument Serial Number is in the form 0000X00000 The first four digits and the letter are the Serial Number prefix the last five digits are the Serial Number suffix The prefix is the same for identical instruments it changes only when a configuration change is made to the instrument The suffix is different for each instrument Document L216AEN 00401 Copyright NARDA 2010 narda Safety Test Solutions Names and Logo are registered trademarks of Narda Safety Test Solutions GmbH and L3 Communications Holdings Inc Trade names are trademarks of the owners NOTE If the instrument is used in any other way than as described in this Users Manual it may become unsafe LY Before using this product the related documentation must be read with great care and fully understood to familiarize with all the safety prescriptions To ensure the correct use and t
5. F signal into the RF output connector on the front panel The following figure shows the CISPR equivalent circuit Connection to D U T 50 uH Ri 50 Q ARSA one GROUND Ri input impedance of the RFI CISPR equivalent circuit Fig 1 1 CISPR equivalent circuit Fig 1 2 PMM L2 16B Network 12 General information narda Safety Test Solutions 1 4 Shipping components 1 5 Optional accessories NOTE 1 6 Environment 1 7 Return for service 1 8 Equipment cleaning LY CAUTION PMM L2 16B Network is composed by the following parts PMM L2 16B Network Operating Manual Power Supply cable LISN Control Cable RF Cable Calibration Chart Return for repair form Options to order separately e LISN Service Kit AC BNC adapter for LISNs verification and calibration See Annex D 9010 User s manual as example The operating environment is specified to be within the following limitations e Temperature 0 to 45 C e Humidity lt 90 relative The instrument should be stored in a clean dry environment The storage and shipping environment is specified to be within the following limitations e Temperature 25 to 75 C e Humidity lt 95 relative If the instrument should be returned to NARDA for service please complete the service questionnaire enclosed with the Operating Manual and attach it to the instrument To minimize the repair time
6. OPP p Earth Protection wy Equipotential KEY TO THE SYMBOLS USED IN THIS DOCUMENT S The DANGER sign draws attention to a potential risk to a DANGER person s safety All the precautions must be fully understood and applied before proceeding The WARNING sign draws attention to a potential risk of WARNING damage to the apparatus or loss of data All the precautions must be fully understood and applied before proceeding The CAUTION sign draws attention against unsafe practices 4 CAUTION for the apparatus functionality CF NOTE The NOTE draw attention to important information n Note and symbols narda Safety Test Solutions Contents Page Safety considerations and instructions VV EC Conformity Certificate sscssseeeesseeseeseeeees VI 1 General Information Page 1 1 Documentation i 1 1 1 2 Va 11 0 0 UC ROM EE TR SO ET 1 1 1 3 PMM L2 16B for CURRENT INJECTION test 1 2 1 4 Shipping COMPORNENIS i 1 3 1 5 Optional accessories 1 3 IX6 ENVIIONMENE lari 1 3 1 7 Return for SErvice iii 1 3 1 8 Equipment cleaning iii 1 3 2 Main Specification Page 2 1 Main specificatioNs nna 2 1 3 L2 16B Equipment Page 3 1 L2 16B EGUIPINEN alano 3 1 VET 3 2 OO 210 6 gt E P EE A E E 3 2 TENNE 3 2 3 5 Fon and fear PAN an 3 3 3 6 Remote receiver control connec
7. be as specific as possible when describing the failure If the failure only occurs under certain conditions explain how to duplicate the failure If possible reuse of the original packaging to ship the equipment is preferable In case other package should be used ensure to wrap the instrument in heavy paper or plastic Use a strong shipping container and use enough shock absorbing material around all sides of the equipment to provide a firm cushion and prevent movement in the container Seal the shipping container securely with shipment tape Mark the shipping container FRAGILE to encourage careful handling Use a clean dry non abrasive cloth for external cleaning of the equipment To clean the equipment do not use any solvent thinner turpentine acid acetone or similar matter to avoid damage to external plastic and surfaces General information 13 narda Safety Test Solutions This page has been left blank intentionally General information narda Safety Test Solutions 2 Main specifications 2 1 Main specifications Table 2 1 lists the PMM L2 16B Network performance specifications The following conditions apply to all specifications e The ambient temperature must be 0 to 45 TABLE 2 1 Main specifications Electrical characteristics Frequency range 9 kHz to 30 MHz Continuous rated output current 16A Max permissible operating voltages 250 Volt AC AC supply frequency range DC 60 Hz Equivalent c
8. ct the test Signal Analyzer input before switching AC supply on or off Before operation ensure the following steps are taken e Check the line voltage to ensure the compatibility with the equipment requirements e Ensure that the to be provided fuse or breaker current rating Is appropriate for the equipment setup e Protection earth line is connected to mains supply input on the rear panel e Ensure that cables and terminals used to connect PMM L2 16B Network to supply line and to Equipment Under Test are suitable for the setup current rating and proper safety insulation e Verify that 50 ohm coaxial line to the EMI Signal Analyzer input be disconnected before switch on or off the supply line e Prior to energizing either unit verify that a common ground connection exists between all equipment in the test setup and safety protection earth To allow correct equipment ventilation ensure that the vent grid on the rear equipment cover be free by any obstructing object narda Safety Test Solutions 5 Operating PMM L2 16B Network 5 1 Test Set Up Measurement repeatability is the main concern of standards and Considerations regulations that exactly define the test set up for interference measuremenis The Artificial Mains Network L2 16B complies with CISPR publ 16 part 2 VDE 0876 and the American FCC part 15 rules and regulations The test SET UPs required for various standards are largely identical a detailed description is giv
9. en in VDE 0877 part 1 par 9 2 Measurements using LISNs The DUT has to be positioned on a non metallic or conductive table height gt 80cm 40 cm in front of a metallic grounded wall with dimensions of at least 2 m x 2 m The table may also be used inside a screened room The distance of the DUT from any metallic part may affect the measured RFI voltage values VDE 0877 exactly define the dimensions for the test configurations by means of the following drawing Fig 5 1 Typical test set up The above figure describes the test configuration and the interconnection of a mains operated DUT according to the above mentioned VDE specification where Metallic grounded wall Device Under Test DUT Folded mains cable fixed with strips of adhesive tape Non metallic table Line Impedance Stabilization Network LISN with B connection to reference ground P jack for DUT M coaxial connection to measuring receiver 6 RFI measuring receiver All dimensions are given in centimeters BRE Document L216BEN 00401 NARDA 2010 Operating PMM L2 16A Network 5 1 narda Safety Test Solutions When the measure is carried out on hand held equipment e g portable drill the operator s hand is simulated by means of a circuit connected to the Hartificial Hand plug on the front panel of PMM L2 16B LISN consisting of a 200 pF capacitor connected in series with a 500 Ohm resistor If the equipment case is m
10. etallic simply connect plug with case of the DUT otherwise wrap a metal foil around the DUT s handles The foil are connected together and to the plug as shown in the following figure To Artificial Hand plug Fig 5 2 Typical hand held equipment test set up Internal hardware checks and repairs shall be performed only by authorized assistance and service centers M CAUTION The manufacturer the worldwide distributors and the national distributor agents shall not be responsible and kept liable for damages to goods to instruments or persons caused during unauthorized operations on the instrument or by manumitted instrument 5 2 Network verification To verify proper operation of the PMM L2 16B Network use the following and maintenance test procedure wi WARNING Do not connect any AC or DC supply to PMM L2 16B Network during this verification test Test equipment needed 1 RF Generator and level measuring calibrated instrument or 2 Spectrum Analyzer with Tracking Generator In both cases instrument shall be working at 1 MHz Verification test procedure 1 Connect the RF signal or tracking signal to the mains output of L2 16B making sure that the ground is connected to the shield of the RF cable grounded The RF signal or tracking signal shall be taken to L1 and L2 sockets alternatively 2 Connect PMM L2 16B Network RF output 3 to the level meter input or Spectrum Analyzer input 3 Attenuation between genera
11. he maximum safety level the User shall know all the instructions and recommendations contained in this document has been designed to meet the requirements of EN61010 1 Safety Requirements for Electrical Equipment for This products are a Safety Class and Installation Category Il instrument according to IEC classification and W Measurement Control and Laboratory Use This product has a Pollution Degree II normally only non conductive pollution occurs Occasionally however a temporary conductivity caused by condensation must be expected The information contained in this document is subject to change without notice KEY TO THE ELECTRIC AND SAFETY SYMBOLS You now own a high quality instrument that will give you many years of reliable service Nevertheless even this product will eventually become obsolete When that time comes please remember that electronic equipment must be disposed of in accordance with local regulations This product conforms to the WEEE Directive of the European Union 2002 96 EC and belongs to Category 9 Monitoring and Control Instruments You can return the instrument to us free of charge for proper environment friendly disposal You can obtain further information from your local Narda Sales Partner or by visiting our website at www narda sts it Warning danger of electric shock L Earth Read carefully the Operating Manual and its instructions pay attention to the safety Unit Earth Connection symbols
12. iesto M Service needed L Solo taratura I Riparazione LJ Riparazione amp Taratura Taratura SIT LI Altro O Calibration only L Repair L Repair amp Calibration L Certified Calibration CO Other Ditta Company Indirizzo Address Persona da contattare Telefono Technical contact person Phone n Modello Numero di serie Eguipment model Serial n M Accessori ritornati con l apparecchiatura O Nessuno O Cavo i LJ Cavo di alimentazione Altro M Accessories returned with unit None Cable s LI Power cable Other M Sintomi o problemi osservati WM Observed symptoms problems M Guasto O Fisso O Intermittente Sensibilea L Freddo O Caldo LU Vibrazioni 1 Altro M Failure 1 Continuous LJ Intermittent Sensitive to LI Cold L Heat Vibration C Other Descrizione del guasto condizioni di funzionamento Failure symptoms special control settings description Se l unit parte di un sistema descriverne la configurazione If unit is part of system please list other interconnected equipment and system set up Suggerimenti Commenti Note Suggestions Comments Note
13. ification ees 2 1 Contents narda Safety Test Solutions Ww SAFETY RECOMMENDATIONS AND INSTRUCTIONS This product has been designed produced and tested in Italy and it left the factory in conditions fully complying with the current safety standards To maintain it in safe conditions and ensure correct use these general instructions must be fully understood and applied before the product is used Over current protection is not provided in the LISN The LISN must be connected to a power mains which has the properly rated mains protection installed When the device must be connected permanently first provide effective grounding If the device must be connected to other equipment or accessories make sure they are all safely grounded In case of devices permanently connected to the power supply and lacking any fuses or other devices of mains protection the power line must be equipped with adequate protection commensurate to the consumption of all the devices connected to it In case of connection of the device to the power mains make sure before connection that the voltage selected on the voltage switch and the fuses are adequate for the voltage of the actual mains Devices in Safety Class equipped with connection to the power mains by means of cord and plug can only be plugged into a socket equipped with a ground wire Any interruption or loosening of the ground wire or of a connecting power cable inside or o
14. ircuit 50 Ohm 5 Ohm 50 uH RF output BNC female Test item SCHUKO connector Rated temperature 0 to 45 C Storage temperature 25 to 75 C Overall dimension mm W x H x D 230 x 105 x 285 Weight 5 5 kg Document L216BEN 00401 NARDA 2010 Main Specifications 21 narda Safety Test Solutions This page has been left blank intentionally 22 Main Specifications A narda Safety Test Solutions 3 L2 16B Equipment 3 1 L2 16B Equipment The PMM L2 16B equipment is composed by Metal lid Handles Metal base Front panel Rear panel Fig 3 1 PMM L1 150M Document L216BEN 00401 NARDA 2010 L2 16B Equipment 3 1 narda Safety Test Solutions 3 2 Metal lid The inductor and the other components of the network are mounted on a metal frame which is then closed by metal lid The lid is perforated in order to improve the heat dissipation Fig 3 2 Metal lid 3 3 Handles Using the handles the PMM L2 16B can be placed in the right position Fig 3 3 Handles 3 4 Metal base Position the PMM L2 16B where it will be installed making sure it is leveled to ensure stability the buttonhole on both side allows to fix the PMM L2 16B to the ground Fig 3 4 Metal base 3 2 _ L2 16B Equipment A narda Safety Test Solutions 3 5 Front and rear panel In Figure 3 1 front panel of PMM L2 16B Network ARTIFICIAL MAINS NETWORK L2 16B TO
15. mento in un ambiente adeguato pu avvenire anche attraverso la restituzione del prodotto alla NARDA senza sostenere alcuna spesa Pu ottenere ulteriori informazioni contattando i venditori NARDA o visitando il nostro sito Web www narda sts it Dear Customer thank you for purchasing a NARDA product You now own a high quality instrument that will give you many years of reliable service NARDA recognizes the importance of the Customer as reason of existence in this view any comment and suggestion you would like to submit to the attention of our service organization is kept in great consideration Moreover we are continuously improving our quality but we know this is a never ending process We would be glad if our present efforts are pleasing you Should one of your pieces of NARDA equipment need servicing you can help us serve you more effectively filling out this card and enclosing it with the product Nevertheless even this product will eventually become obsolete When that time comes please remember that electronic equipment must be disposed of in accordance with local regulations This product conforms to the WEEE Directive of the European Union 2002 96 EC and belongs to Category 9 Monitoring and Control Instruments You can return the instrument to us free of charge for proper environment friendly disposal You can obtain further information from your local NARDA Sales Partner or by visiting our website at www narda sts it M Servizio rich
16. s instrument ensure that an uninterruptible safety earth ground is provided from the main power source to the wy WARNING product protective earth connection If this instrument is to be i connected to other equipment or accessories prior to energizing either unit verify that a common ground exists between them Any interruption or loosening of the protective earth ground conductor either inside or outside the unit or in an extension cable will cause a potential shock hazard that could result in personal injury Verify the safety earth ground functionality before operation Document L216BEN 00401 NARDA 2010 installation 41 4 5 Operating PMM L2 16B SW CAUTION 4 6 Installation Check list Installation narda Safety Test Solutions To operate PMM L2 16B connect the supply cable to the insulating transformer To avoid any damage caused by transient current pulses connect the RF cable to the receiver only after the AC supply has been switched on The Equipment Under Test should be connected to the SCHUKO connector To select the phase line to be tested operate the phase switch L1 L2 on the front panel Using the PMM 9010 EMI Receiver the phase switching is automatic The button on the left of the BNC connector is used to insert an output 150kHz high pass filter To press it to enable the high pass filter when disable the output is full bandwidth To avoid any damage caused by transient current pulses disconne
17. ted signal level and measured level on output shall be less than 0 5dB at 1 MHz If higher than 0 5 dB please refer to qualified NARDA Service Center for maintenance of the unit 5 2 _ Operating PMM L2 16A Network Sales amp Support Manufacturing Plant EMENT Sys narda arii Via Leonardo da Vinci 21 23 Via Benessea 29 B on St Test 20090 Segrate MI ITALY 17035 Cisano sul Neva SV 3 Q 2 2 an Communications Company S r l Socio Unico Fax 39 02 26998700 Fax 39 0182 586400 S SINCERT DEI http www narda sts it Mod 18 1 Caro cliente grazie per aver acquistato un prodotto NARDA Sei in possesso di uno strumento che per molti anni ti garantir un alta qualit di servizio NARDA riconosce l importanza del Cliente come ragione di esistenza ciascun commento e suggerimento sottoposto all attenzione della nostra organizzazione tenuto in grande considerazione La nostra qualit alla ricerca del miglioramento continuo Se uno dei Suoi strumenti NARDA necessita di riparazione o calibrazione pu aiutarci a servirla pi efficacemente compilando questa scheda e accludendola all apparecchio Tuttavia anche questo prodotto diventer obsoleto In questo caso ti ricordiamo che lo smaltimento dell apparecchiatura deve essere fatto in conformit con i regolamenti locali Questo prodotto conforme alle direttive WEEE dell Unione Europea 2002 96 EC ed appartiene alla categoria 9 strumenti di controllo Lo smalti
18. together with PMM receivers for Conducted Interference like the PMM 9010 or any other RF receiver The main functions performed by the Artificial Mains Network are e terminate the DUT with a standardized impedance against reference ground e Supply power to the DUT e insulate the test circuits against external interference coming for example from AC voltage network e route the EMI Electro Magnetic Interference of the DUT to the receiver in case of conducted emission measurement and the EMI from the signal generator to the DUT in case of susceptibility test current injection Ferrite cores coils are used in the low pass filter Saturation effects have been avoided designing a ferrite core that is able to withstand a 50 increase of the Ima value without any saturation PMM L2 16B is provided with standard SCHUKO power socket 16 Amps to connect test item but other connector types are available on request Document L216BEN 00401 NARDA 2010 General information 14 A narda Safety Test Solutions 1 3 PMM L2 16B for As described above a LISN is primarily a probe to take out RF signals CURRENT Some particular EMC recommendations might require that Device Under INJECTION test Test shall be proven to conducted EMC immunity in the range 10 kHz 30 MHz by injecting on the supply lines certain RF interference and checking the DUT s response PMM L2 16B may be used also to this purpose by injecting a R
19. tor 3 4 3 7 LISN remote cable configuration for PMM 9010 3 5 3 8 LISN remote cable configuration for PMM 8010 3 6 4 Installation Page 4 1 Introduction rrvvrrrrrvvrrverrrrveranrrrrrnrvnrsrvrsrrverarareverns 4 1 4 2 Initial INSOCCHON sicsscaveesicascevecenssfacvnderncbsnctaxsieyaiesteteunt 4 1 4 3 Packing unpacking in 4 1 4 4 Preparation for USE eaten anaes 4 1 4 5 Operating PMM L2 16B n 4 2 4 6 Installation Check liS 4 2 5 Operating PMM L2 16B Network Page 5 1 Test Set Up Considerations nea 5 1 5 2 Network verification and maintenance 5 2 Contents om narda Safety Test Solutions Figures Figure Page 1 1 CISPR 16 Equivalent circuit 1 2 1 2 PMM L2 16B Network 1 2 3 1 PMM L2 16B Network 3 1 3 2 MEG LIG avant 3 2 3 3 2 106 ARR A 3 2 3 4 Metal base cence ee nnise ienai 3 2 3 5 PONE DANCE RR rien 3 3 3 6 Rear panel 3 3 3 7 Remote control connector front view 3 4 3 8 LISN remote cable configuration for PMM 9010 3 5 3 9 LISN remote cable configuration for PMM 8010 3 6 D 1 Typical test set Up i D 1 5 2 Typical hand held equipment test set up 5 2 Tables Table Page 2 1 Main Spec
20. utside the device will cause a potential risk for the safety of the personnel Ground connections must not be interrupted intentionally To prevent the possible danger of electrocution do not remove any covers panels or guards installed on the device and refer only to NARDA Service Centers if maintenance should be necessary To maintain adequate protection from fire hazards replace fuses only with others of the same type and rating Follow the safety regulations and any additional instructions in this manual to prevent accidents and damages The probe cannot be handled in proximity of high voltage mains line If the probe is to be connected to high voltage mains line a safety interlock equipment must be installed to ensure the mains line be switched off before any probe handling or connection The user must provide a safety protection cover with a low voltage interlock switch able to cut off mains voltage before probe handling or connection Safety consideration narda Safety Test Solutions EC Conformity Certificate in accordance with the directives EMC 89 336 EEC and low voltage 73 23 EEC This is to certify that the product PMM L2 16B Artificial Mains Network Produced by NARDA S r l Safety Test Solution Via Benessea 29 B 17035 Cisano sul Neva SV ITALY complies with the following European Standards Safety EN 61010 1 1993 A2 1995 EMC EN 55011 EN 50082 1 This product complies with the requirements of Lo
21. w Voltage Directive 73 23 EEC amended by 93 68 EEC and the EMC Directive 89 336 EEC amended by 92 31 EEC 93 68 EEC 93 97 EEC NARDA S r l EC Conformity A narda Safety Test Solutions 1 General Information 1 1 Documentation Enclosed with this manual are a service questionnaire to send back to NARDA in case of equipment service is needed and an accessories check list to verify all accessories enclosed in the packaging 1 2 Introduction The objective of EMI Conducted tests is to define the amplitude of current to PMM L2 16B and Voltage V emission from the Device Under Test DUT onto the power mains or to define the immunity of the DUT to the conducted interference The mains lines themselves do not allow for reliable EMI measurements since their impedance is subject to marked variations that generates different test results at different test sites PMM s Artificial Mains Network L2 16B is a LISN used for RFI measurements on AC single phase power supplied electric and electronic equipment drawing up to 16 Amps that is in the most frequently encountered applications L2 16B is a two line V network with an equivalent circuit of 50 ohm 50hm 50uH fully compliant with CISPR publ 16 VDE 0876 and FCC part 15 regulation The PMM L2 16B is suited to perform measurements on conducted interference in the frequency range from 9 KHz to 30 MHz Designed according to criteria of cheaply and compactness it can be used
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