6500 Series Loop Antennas User Manual
Contents
1. eren 27 Model 6502 e e DA ea eA o 27 Model 65075 ut c cen nad 28 MOd6l6509 u raa edente sre ipis 29 Model 6511 ir eie n EC e OX ERE HERE CES ER 30 Model 6512 5 meer e mt c ine ee erede Ree eran 31 7 0 Radiation Pattern seen 33 Typical Radiated Pattern for an Electrically Small Loop 34 Appendix A Warranty 35 Appendix B 6505 Shielding Effectiveness Test Kit 37 Measuring Magnetic Shielding Effectiveness Shielding Effectiveness Measurements for Magnetic Field 40 Appendix C EC Declaration of Conformity 43 Model 6502 5 il tende ebd oe uei e o Lot pee aen 43 Model 6504 unn am Hc rr ine EU c ERR MEE RENE LESE SCR e RR scent 44 Notes Cautions Warnings Note Denotes helpful information intended to provide tips for better use of the product Caution Denotes a hazard Failure to follow instructions could result in minor personal injury and or property damage Included text gives proper procedures Warning Denotes a hazard Failure to follow instructions could result in SEVERE personal injury and or property damage Included text gives proper procedures See the ETS Lindgren Product Information Bulletin for safety gt regulatory and other product marking infor2. 35 40 0 001 0 002 0 005 0 01 0 02 0 05 01 020305 1 2 3 4567 10 Frequency MHz 55 50 40 35 30 25 20 15 10 20 30 50 AF dBm MAF dBsjm Model 6509 Model 6509 Magnetic and Electric Antenna Factors h2 N CO CO Ci CO Q c O A O CO O CO 10 20 0 001 0 002 0 005 0 01 0 02 110 2 Rangel MAF Range 1 AF E 8 Range 2 MAF amp Range 2 AF 105 4 4 Range 3 A Range 3 AF Range 4 MAF y v Range 4 AF 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 0 05 0 1 020305 1 2 34567 10 2030 50 Frequency MHz AF dBm 29 MAF dBgim 30 Model 6511 Model 6511 Magnetic and Electric Antenna Factors 10 1E 5 2E 5 0 0001 0 001 0 005 0 02 0 05 01 02 05 1 Frequency MHz 2 345 150 145 140 135 130 125 120 115 110 AF dBm MAF dBs m Model 6512 Model 6512 Magnetic and Electric Antenna Factors 90 85 80 75 70 65 60 55 50 45 40 35 E 30 0 01 0 02003 005 01 0203 0507 1 2 3 4567810 20 30 50 Frequency MHz AF dBm 31 This page intentionally left blank 32 7 0 Radiation Pattern The 6500 Series Loop Antennas are electrically small loops size is small in wavelengths giving them identically shaped radiation patterns Each loop operates at a frequency under 30 MHz At 30 Hz the wavelength is 10 m the largest loops have a circumference of 1 8
3. 48 in 3 15 in Weight 1 6 kg 2 kg 1 8 kg 1 3 kg 3 53 Ib 4 41 Ib 3 97 Ib 2 87 Ib 17 This page intentionally left blank 18 4 0 Mounting Instructions AUTION Each loop antenna is a precision measurement CAUTIO device Handle your antenna with care Additional Mounting Options 4 TR MOUNTING OPTIONS The 6500 Series Loop Antennas mount directly to an ETS Lindgren 4 TR Tripod no additional hardware is required 19 7 TR AND MAST MOUNTING OPTIONS Following are options for mounting the 6500 Series Loop Antennas onto an ETS Lindgren 7 TR Tripod or mast Contact the ETS Lindgren Sales Department for information on ordering optional mounting hardware gt Mast refers to 2070 Series 2075 and 2175 Antenna Towers 7 TR refers to these booms 109042 boom Straight boom for general antenna mounting on 7 TR e 108983 boom Offset boom for general antenna mounting on a 7 TR with pneumatic or manual polarization can also be used to mount stinger type antennas e 118947 boom For stinger type antennas only e 108507 boom Centerline rotation boom for Model 3106 Series antennas only when changing polarization maintains centerline rotation To antenna mounting hole 104169 Boom Antenna m Mount Knob Through boom on 7 TR Mast 20 2 2 BOOM MOUNTING OPTIONS 2x2 boom refers to a typical 2 inch by 2 inch boom Following are additional options for mo
4. VDC Impedance Nominal 500 Connector BNC female 15 MODEL 6509 Frequency Range 1 kHz 30 MHz Band 1 1 kHz 60 kHz Band 2 60 kHz 400 kHz Band 3 400 kHz 1 MHz Band 4 1 MHz 30 MHz Maximum Input Power 1 kw Impedance Nominal Varies with frequency calibrated in 50 system Connector Type N female MODELS 6511 AND 6512 Model 6511 Model 6512 Frequency Minimum 20 Hz 9 kHz Frequency Maximum 5 MHz 30 MHz Turns 8 1 Connectors BNC female Maximum Inpu Power Polarization Linear 16 Battery Charger Specifications Models 6502 6507 Input Voltage 115 230 VAC selectable Input Frequency 50 60 Hz Input Power 20 VA max Protection Class Class 11 double insulated Input Fuse Rating 200 mA time delay Type 5x20 mm Input Power Connection IEC 320 power inlet Output Voltage 12 VDC 13 5 15 VDC Output Current 350 mA Safety Approvals TUV CSA Physical Specifications All Models 6511 6512 6502 6507 6509 Diameter 56 cm 60 cm 30 4 cm 30 4 cm 22 05 in 23 62 in 11 97 in 11 97 in Height 59 8 cm 67 3 cm 37 8 cm 47 8 23 54 26 50 14 88 18 82 Length 3 8 12 12 7 6 1 50 4 72 4 72 in 2 99 in Width 12 7 cm 19 cm 19 cm 8 cm 5 0 in 7 48 in 7
5. accessible by removing the two Phillips head screws on the bottom of the unit 24 Power cord To maintain safety requirements use the safety approved power cord provided If you use another method to attach the battery charger to the power mains use only a type 21 PVC cord or type HD22 rubber cord with a nominal cross section of 0 75 mm FAST CHARGE AND TRICKLE CHARGE MODES The battery charger provides both fast and trickle charge operation Switching from one charge mode to the other occurs automatically Fast Charge mode The battery charger is in fast charge mode when the Fast Charge LED is illuminated This LED illuminates when the battery is charging and becomes darker or blinks when the battery is fully charged When the battery charger completes the fast charge cycle it will automatically switch to trickle charge mode Trickle Charge mode The battery charger is in trickle charge mode when the Power On LED is illuminated and the Fast Charge LED is dark When not in use connect the loop antenna to the battery charger in trickle charge mode 25 This page intentionally left blank 26 6 0 Typical Data Model 6502 Model 6502 Magnetic and Electric Antenna Factors MAF dBsim 0 01 002003 0 05 01 0203 0507 1 2 3 4567810 Frequency MHz 20 30 AF dBm 27 Model 6507 28 MAF dBs m Model 6507 Magnetic and Electric Antenna Factors 60 20 25 30
6. amplifier does not have enough power The shielding effectiveness readings are valid only if the power amplifier is operating in the linear region This can be verified by reducing or increasing attenuation and observing the receiver signal on the analyzer or receiver If the receiving signal also decreases or increases by the same amount then the amplifier is operating in the linear region Reference e MIL STD 285 e NSA 65 6 39 ONILSAL 559 103133 9 NIQTTSIHS 01410313 901 4 135 1531 031539915 33n9l3 w 9 Case V9LL8 d H LWW 40 SS3N0IH 1 L lic Vua N36 TVNOIS 2 a lu 2 m LNA TWAIN o MO 89998 d H xor bn 77 N3AI303N YOIWNNALIY 2 CL iD 343238 gt s o Q E 2099 19000 6059 1300 NO NIYO SS 5 r 1300W 1 10fOL INS P Shielding Effectiveness Measurements for Magnetic Field Frequency MSA 65 5 Approximate Maximum Minimum Wattage Shielding Attenuation for Required to Magnetic Field Magnetic Field meet MSA 65 6 that can be attenuation measured with specifications this setup Band 1 1 kHz 20 dB lt 5 50 dB 10 56 lt 5 82 20 68 lt 5 90 30 74 l
7. eligible to bear the EC Mark Model 6507 Active Loop Antenna Part Number 102615 Battery Charger Applicable Requirements EN61010 1 Safety requirements for electrical equipment for measurement control and laboratory use EN60742 1989 Isolating transformers and safety isolating transformers EN55022 Class B IEC 801 2 Level 2 4 8kV IEC 801 3 Level 2 3V m IEC 801 4 Level 2 5 UO 1kV AC Authorized Signatories Tp E Bruce Butler General Manager J C Psencik Engineering Mgr Garrison Quality Assurance Date of Declaration December 10 1996 The authorizing signature on the EC Declaration of Conformity document authorizes EMC Test Systems L P to affix the CE mark to the indicated product CE marks placed on these products will be distinct and visible Other marks or inscriptions liable to be confused with the CE mark will not be affixed to these products EMC Test Systems L P has ensured that appropriate documentation shall remain available on premises for inspection and validation purposes for a period of no less than 10 years
8. oe beide tena 10 Tripod Options 10 ETS Lindgren Product Information Bulletin 11 2 0 Maintenance 13 Annual Calibration Replacement and Optional Parts 14 Service ProcedUres ua aaa eee t nene t e eR ere rae 14 3 0 5 15 Electrical Specifications riaria niii iaia Model 6502 Model 6507 re ot bp v di d c re bc E BUR Model 6509128 2h critt aS 16 Models 6511 and 6512 dure rte ERE RECS 16 Battery Charger Specifications Models 6502 and 6507 17 Physical Specifications All Models 17 4 0 Mounting Instructions U 19 Additional Mounting Options 19 4 TR Mounting 19 7 TR and Mast Mounting 20 2x2 Boom Mounting 21 5 0 nig Front Panel Indicator Lights Models 6502 6507 Battery Charger Models 6502 and 6507 Features and Components 24 Fast Charge Trickle Charge 25 6 0 Typical Dat
9. 8 m 0 which is much smaller than the wavelength For electrically small loops it can be assumed that the current on the loop is constant If we place the loop on the plane z 0 so that the z axis is perpendicular to the plane of the loop and following the derivation presented by Balanis in Antenna Theory Analysis and Design 2nd Ed John Wiley and Sons New York 1997 it follows that the radiated magnetic fields are given by ka Igcos8 f y 1 jkr rJ 772 jkr 2 ee ka Igsin8 f 1 1 zu 4r F jkr B kr Hy 0 And the radiated electric fields are given by E Eg 0 ka Igsin8 1 E a Sg p oer 9707 y bol 33 Typical Radiated Pattern for an Electrically Small Loop The following illustrates the typical radiated pattern for an electrically small loop 34 Radiation Pattern www ets lindgren com Appendix Warranty See the Product Information Bulletin included with your shipment for gt the complete ETS Lindgren warranty for your 6500 Series Loop Antenna DURATION OF WARRANTIES FOR 6500 SERIES LOOP ANTENNA All product warranties except the warranty of title and all remedies for warranty failures are limited to two years Product Warranted Duration of Warranty Period Model 6502 Loop Antenna Model 6507 Loop Antenna Model 6509 Passive Loop Antenna Model 6511 Shielded Loop Antenna Model 6512 Shielded Loop Antenna 2 Years 35 This page in
10. Advanced Test Equipment Rentals www atecorp com 800 404 ATEC 2832 MN Established 1981 6500 Series Loop Antennas User Manual Model 6502 SEIS LINDGREN An ESCO Technologies Company ETS Lindgren Inc reserves the right to make changes to any product described herein in order to improve function design or for any other reason Nothing contained herein shall constitute ETS Lindgren Inc assuming any liability whatsoever arising out of the application or use of any product or circuit described herein ETS Lindgren Inc does not convey any license under its patent rights or the rights of others Copyright 2013 by ETS Lindgren Inc All Rights Reserved No part of this document may be copied by any means without written permission from ETS Lindgren Inc Trademarks used in this document The ETS Lindgren logo is a trademark of ETS Lindgren Inc Revision Record MANUAL 6500 SERIES LOOP ANTENNAS Part 399293 Rev A Revision Description Date A Initial Release November 2013 Table of Contents Notes Cautions and v 1 0 Introduction L U L AI uyu u u Y 7 502 5 nu ctl iso 8 Model 65072 aaa E RERO ca dp ces 8 M del6509 ecc ete ta i e ES 9 Models 6511 and 6512 Standard Configuration Optional tems rsru e CT n e teer deoa et esate Carrying Cases att eee dro vbt E
11. TR Tripod Constructed of PVC and fiberglass components providing increased stability for physically large antennas The unique design allows for quick assembly disassembly and convenient storage Allows several different configurations including options for manual or pneumatic polarization Quick height adjustment and locking wheels provide ease of use during testing Maximum height is 2 17 m 85 8 in with a minimum height of 0 8 m 31 8 in This tripod can support a 13 5 kg 30 Ib load ETS Lindgren Product Information Bulletin See the ETS Lindgren Product Information Bulletin included with your shipment for the following e Warranty information Safety regulatory and other product marking information Steps to receive your shipment Steps to return a component for service ETS Lindgren calibration service ETS Lindgren contact information 11 This page intentionally left blank 12 2 0 Before performing any maintenance follow the safety information in the ETS Lindgren Product Information Bulletin included with your shipment Maintenance of the 6500 Loop Antennas eran is limited to external components such as _ cables or connectors Warranty may be void if the housing is opened If you have any questions concerning maintenance contact ETS Lindgren Customer Service Annual Calibration See the Product Information Bulletin includ
12. ed with your shipment for information on ETS Lindgren calibration services Replacement Optional Parts gt ETS Lindgren may substitute a similar part or new part number with the same functionality for another part part number Contact ETS Lindgren for questions about part numbers and ordering parts Following are the part numbers for ordering replacement or optional parts for the Model 6500 Series Loop Antennas Part Description Part Number 4 TR Tripod Positioner 4 TR 7 TR Tripod Positioner 7 TR Battery Charger for Model 6502 and Model 6507 102615 Carrying Case with Foam Model 6502 6502CASE W FOAM Service Procedures For the steps to return a system or system component to ETS Lindgren for service see the Product Information Bulletin included with your shipment 14 3 0 Specifications Electrical Specifications MODEL 6502 Frequency Range 9 kHz 30 MHz Dynamic Range 85 dB at 10 kHz 125 dB at 1 MHz Sensitivity Typical 1 dB uA m at 10 kHz 42 dB uA m at 1 MHz 1 dB Compression Point 5 Power Required Battery operated Impedance Nominal 500 Connector BNC female MODEL 6507 Frequency Range 1 kHz 30 MHz Dynamic Range 76 dB at 10 kHz 116 dB at 1 MHz Sensitivity Typical 11 dB mA m at 10 kHz 29 dB mA m at 1 MHz 1 dB Compression Point 10 V m Power Required 13 8
13. ill go dark However the antenna will still function and provide reasonable output signals until the batteries are spent 23 Battery Charger Models 6502 and 6507 The Model 6502 and Model 6507 are powered by two 6 VDC sealed lead acid batteries The included battery charger is intended for charging only the sealed lead acid batteries in ETS Lindgren products The Model 6502 is not designed to operate using the battery charger as a power source When the batteries are completely discharged charging time is approximately eight hours Batteries should provide power for approximately 16 hours before recharging is required FEATURES AND COMPONENTS e Voltage selection switch The battery charger is voltage selectable providing the necessary charge voltage and current from either a 115 or 230 VAC 50 60 Hz source The voltage selection switch is located next to the power input receptacle Select the proper input voltage before connecting the battery charger to the power mains Power On lIlluminates when the charger is plugged into AC outlet Battery charging port Located on the front of the unit Always remove main power before opening the CAUTION battery charger case Fuse A 200 mA 250 VAC time delay fuse protects against overcurrent When replacing the fuse use a fuse of the same type and rating to maintain safe operations see the battery charger specifications on page 17 for more information The fuse is
14. mation This page intentionally left blank vi 1 0 Introduction The ETS Lindgren 6500 Series Loop Antennas include both active and passive antennas Loop antennas provide a wide range of magnetic field testing Some models include active electronics for amplification and impedance matching consistent linear antenna factors and signal attenuation Most include a balanced Faraday shield to reduce response to E fields for pure magnetic field measurements Whether used individually or as a set the loop antennas provide an efficient and economical solution to magnetic field measurement For information on Model 6505 Shielding Effectiveness Test Kit see gt page 37 Each antenna is individually calibrated in accordance with the IEEE Std 291 using National Institute of Standards and Technology NIST traceable equipment By knowing the actual antenna factors and performance characteristics instead of typical data you can more accurately measure field strength in your tests Each antenna includes actual individual calibration factors and signed Certificate of Calibration Conformance All loop antennas are constructed of lightweight aluminum which provides durability and reliability for years of trouble free indoor and outdoor services The base of each loop antenna provides a standard 1 4 20 threaded connector for mounting to an ETS Lindgren tripod or other tripod For the variety of mounting options available see Mounting Inst
15. ro Watts before band switching The Model 6509 Passive Loop Antenna is designed for shielding effectiveness and immunity testing The Model 6509 operates in the frequency range of 1 kHz to 30 MHz The base contains a Type N female connector and a selectable four band RF transformer The RF transformer gives the Model 6509 greater efficiency which results in a better conversion of input power to field strength Models 6511 and 6512 The Model 6511 and Model 6512 are passive loop antennas the Model 6511 is designed for low frequencies and covers the 20 Hz to 5 MHz range and the Model 6512 covers the 9 kHz to 30 MHz range Standard Configuration e Antenna coil assembly Mounting base that accepts ETS Lindgren tripod other tripod mount with standard 1 4 20 threaded hardware Battery charger included only with Model 6502 Model 6507 Optional Items CARRYING CASES A custom carrying case is available for some of the loop antenna models For more information contact ETS Lindgren TRIPOD OPTIONS ETS Lindgren offers the following non metallic non reflective tripods for use at both indoor and outdoor EMC test sites e 4 TR Tripod Constructed of linen phenolic and delrin designed with an adjustable center post for precise height adjustments Maximum height is 2 0 m 80 0 in and minimum height is 94 cm 37 0 in This tripod can support up to an 11 8 kg 26 0 Ib load 10 e 7
16. ructions on page 19 Model 6502 The Model 6502 Loop Antenna is an active receiving loop antenna designed to perform commercial emissions standards testing and can be used for any magnetic testing The Model 6502 has a frequency range of 9 kHz to 30 MHz A radio frequency preamplifier is built into the base of the antenna and provides 50 0 output which is used by a receiver The preamplifier helps produce good sensitivity and almost constant antenna factors Power for the preamplifier is supplied by rechargeable sealed lead acid batteries a battery charger is included The charger is switch selectable for 115 VAC 230 VAC and operates at 50 Hz 60 Hz For more information on the battery charger see page 17 Model 6507 The Model 6507 Loop Antenna is an active receiving loop antenna designed to perform shielding effectiveness measurements per MIL STD 285 and NSA 65 6 specifications The Model 6507 has a frequency range of 1 kHz to 30 MHz A radio frequency preamplifier is built into the base of the antenna designed for use with most 50 Q receivers Power for the preamplifier is supplied by rechargeable sealed lead acid batteries a battery charger is included The charger is switch selectable for 115 VAC 230 VAC and operates at 50 Hz 60 Hz For more information on the battery charger see page 17 8 Model 6509 When using the Model 6509 as a transmitting device reduce amplifier gt power to ze
17. t 5 95 40 78 lt 5 97 50 80 lt 5 99 60 84 lt 5 100 Band 2 60 84 lt 5 100 70 86 lt 5 100 80 88 lt 5 100 90 89 5 100 100 90 5 103 200 95 5 105 300 97 20 110 400 98 10 110 40 MSA 65 5 Approximate Maximum Minimum Wattage Shielding Attenuation for Required to Magnetic Field Magnetic Field meet MSA 65 6 that can be attenuation measured with specifications this setup Band 3 400 98 10 110 500 99 15 110 600 99 30 120 700 99 50 120 800 100 40 120 900 100 25 120 1000 100 40 120 Band 4 1 MHz 100 40 120 2 100 25 120 4 100 20 120 6 100 15 120 8 100 15 120 10 100 15 120 15 100 20 120 20 100 25 120 25 100 25 120 30 100 30 120 41 This page intentionally left blank 42 Appendix EC Declaration of Conformity Model 6502 EUROPEAN COMMUNITY DECLARATION OF CONFORMITY The EC Declaration of Conformity is the method by which EMC Test Systems L P declares that the equipment listed on this document complies with the EMC and Low voltage Directives Factory Issued by EMC Test Systems L P EMC Test Systems L P P O Box 80589 P O Box 80589 Austin Texas USA Austin Texas USA 78708 0589 78708 0589 The products manufactured under the EMCO product name and listed below are eligible to bear the EC Mark Model 6502 Active Loop Antenna Part Number 102615 Batter
18. tentionally left blank 36 Appendix 6505 Shielding Effectiveness Test Kit The ETS Lindgren Model 6505 Loop Shielding Effectiveness Test Kit is a set of loop antennas that includes the following Model 6507 Active Receiving Loop Antenna Model 6509 Passive Loop Antenna Battery Charger Measuring Magnetic Shielding Effectiveness 1 Set the transmitting and receiving antennas apart at a distance equal to 24 inches plus the thickness of screen room 2 Setup equipment as shown in the diagram on page 39 3 Turn generator to on position 4 Disable RF output of generator 5 Turn amplifier to on position 6 Turn receiver to on position 7 Turn receiver loop power and verify light is on 8 Set desired frequency on generator Set the same frequency on receiver 9 Setthe attenuator at maximum 100 120 dB attenuation 10 Enable RF output of the generator 37 11 38 Adjust signal amplitude on signal generator to maximum allowed by amplifier input Establish a reference level by decreasing the attenuation level unit the signal can be detected by the screen room wall between them Reduce attenuation further until signal is again seen at the same level as without shielding The difference in the two attenuator settings is the shielding effectiveness If the signal cannot be seen with a zero setting then the shielding effectiveness is greater than the attenuation range or the power
19. unting the 6500 Series Loop Antennas onto a 2x2 boom Contact the ETS Lindgren Sales Department for information on ordering optional mounting hardware To antenna mounting hole 101913 Fixed Antenna Mount Insert boom through To antenna mounting hole 101937 Swivel Antenna Mount Insert boom through 21 This page intentionally left blank 22 5 0 Operation CAUTION the ETS Lindgren Product Information Bulletin included with your shipment When using the Model 6509 as a transmitting device Reduce amplifier power to zero watts Before connecting any components or placing into operation follow the safety information in before band switching and then select the frequency band by rotating the band switch To calculate the field strength Signal Level Cable Loss Antenna Factor Relative Field Strength Cable loss should be measured periodically for each cable used in testing Front Panel Indicator Lights Models 6502 and 6507 Saturation Indicator llluminates when input signal intensity exceeds the 1 dB compression level of 5 volts per meter Model 6502 to 10 volts per meter Model 6507 and will remain illuminated for about 1 second Power Indicator llluminates to show that the loop is and functional When the charge on the battery decreases to the point that the antenna calibration is no longer valid the LED w
20. y Charger Applicable Requirements Standard Criteria EN61010 1 Safety requirements for electrical equipment for measurement control and laboratory use EN60742 989 Isolating transformers and safety isolating transformers 55022 Class IEC 801 2 Level 2 4 8kV IEC 801 3 Level 2 3V m IEC 801 4 Level 2 5 VO IkV AC Authorized Signatories Bruce Butler General Manager gt Psencik Engineering Mer Date of Declaration December 10 1996 The authorizing signatare on the EC Declaration of Conformity document authorizes EMC Test Systems L P to affix the CE mark to the indicated product CE marks placed on these products will be distinct and visible Other marks or inscriptions liable to be comfused with the CE mark will not be affixed to these products EMC Test Systems L P has ensured that appropriate documentation shall remain available on premises for inspection and validation purposes foe period of no less than 10 years 43 44 Model 6507 EUROPEAN COMMUNITY DECLARATION OF CONFORMITY The EC Declaration of Conformity is the method by which EMC Test Systems L P declares that the equipment listed on this document complies with the Low voltage and EMC Directives Factory Issued by EMC Test Systems L P EMC Test Systems L P Box 80589 80589 Austin Texas USA Austin Texas USA 78708 0589 78708 0589 The products manufactured under the EMCO product name and listed below are
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