Electro-Metrics EM-6992 Instruction Manual Download Page 1 | Manualshive

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Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com

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Summary of Contents for EM-6992

Page 1: ...INSTRUCTION MANUAL NEAR FIELD PROBE SET BROADBAND RESPONSE MODEL EM 6992 gffELEC TRO METRIC S Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 2: ...BROADBAND RESPONSE MODEL EM 6992 ELECTRO METRICS INC 231 Enterprise Road Johnstown New York 12095 Phone 518 762 2600 Fax 518 762 2812 EMAIL info emihq com WEB http www electro metrics com MANUAL REV N...

Page 3: ...manship This warranty is limited to the repair or replace ment of defective parts and is void if unau thorized repair or modification is at tempted Repairs for damage due to mis use or abnormal operat...

Page 4: ...l EM 6990 Broadband Amplifier 4 4 1 EM 6990 Description 4 4 2 EM 6990 Specifications 4 4 2 1 Electrical 4 4 2 2 Mechanical 5 4 3 EM 6990 Operating Instructions 6 4 4 Description EM 6990 Battery Power...

Page 5: ...fications The three magnetic field probes are electrically small i e resonant frequency above 1GHz loops of varying sensitivi ties The loops are wound within a balanced Faraday shield that reduces the...

Page 6: ...in this spacing can yield large variations in amplitude The E field probes are also susceptible to measurement variations due to capacitive coupling to external objects such as equipment chassis hu ma...

Page 7: ...ng a 50 ohm coaxial cable Model EM 1107 or equivalent Probe choice is determined by the type of signal under obser vation signal strength and the physical size of the area to be investigated Compariso...

Page 8: ...nalyzer Small size and internal rechargeable bat teries make the unit suitable for both bench and field testing An external battery charger is used to recharge the internal batteries 4 2 EM 6990 Speci...

Page 9: ...m Outside Diameter 5 5 mm NOTE The rechargeable nickel cadmium batteries can be replaced by 4 commonly available NON RE CHARGEABLE Alkaline N cells that increase the operating time to approximately 10...

Page 10: ...is controlled by a slide switch located on the side of the unit next to the external charger jack CAUTION The POSITION of the ON OFF slide switch PROVIDES THE ONLY INDICATION whether the EM 6990Preamp...

Page 11: ...The cells may rupture and cause severe damage to the am plifier 4 4 1 Charging The Battery To recharge the internal batteries turn off the EM 6990 and connect the external battery charger to the CHARG...

Page 12: ...60 C will significantly reduce the number of battery charge discharge cycles In addition operation of nickel cadmium battery cells at low temperatures 20 C will limit their operational life 4 4 2 Rep...

Page 13: ...nsert the new cells into the holders ensur ing that the cells are placed with respect to the re quired polarity f Check the inserted cells to ensure that no shorting of the battery terminals or wiring...

Page 14: ...992 Probe Set Three typical calibration data plots are shown Upper Plot 1 cm Loop Middle Plot 3 cm Loop Lower Plot 6 cm Loop The Y axis is denoted in dB Sm 1 The X axis is denoted in Frequency MHz dB...

Page 15: ...ELECTRO METRICS EM 6992 0 0 0 0 0 0 0 0 0 0 0 V M N 1 ws gp EM6992 11 8 0 ci...

Page 16: ...ELECTRO METRICS EM 6992 NOTES...

Page 17: ...THIS INSTRUCTION MANUAL AND ITS AS SOCIATED INFORMATION IS PROPRIETARY UNAUTHORIZED REPRODUCTION IS FOR BIDDEN 1996 ELECTRO METRICS INC...

Page 18: ...PRINTED IN THE UNITED STATES OF AMERICA ELECTRO METRICS Incorporated 231 Enterprise Road Johnstown NY 12095 Phone 518 762 2600 Fax 518 762 2812 EMAIL info emihq com WEB http www electro metrics com...

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