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A.H. Systems SAS-562B Operation Manual

A.H. Systems SAS-562B Operation Manual

Active loop antenna

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A.H. Systems Model SAS-562B Active Loop Antenna
SAS-562B Active
Loop Antenna
Operation Manual
 A.H. Systems inc. – Oct 2014
1
REV B

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Summary of Contents for A.H. Systems SAS-562B

  • Page 1 A.H. Systems Model SAS-562B Active Loop Antenna SAS-562B Active Loop Antenna Operation Manual  A.H. Systems inc. – Oct 2014 REV B...
  • Page 2: Table Of Contents

    A.H. Systems Model SAS-562B Active Loop Antenna TABLE OF CONTENTS INTRODUCTION SPECIFICATIONS OPERATING INSTRUCTIONS CALCULATIONS ANTENNA FORMULAS MAINTENANCE WARRANTY  A.H. Systems inc. – Oct 2014 REV B...
  • Page 3: Introduction

    A.H. Systems Model SAS-562B Active Loop Antenna INTRODUCTION Frequency Part Model Range Number Description SAS-562B 10 kHz – 30 MHz 2383 Active 18” Loop Antenna INCLUDED EQUIPMENT • Amplifier/matching base unit • 18” shielded loop antenna • battery charger  A.H. Systems inc. – Oct 2014...
  • Page 4 A.H. Systems Model SAS-562B Active Loop Antenna  A.H. Systems inc. – Oct 2014 REV B...
  • Page 5 A.H. Systems Model SAS-562B Active Loop Antenna INTENDED PURPOSES This equipment is intended for general laboratory use in a wide variety of industrial and scientific applications and designed to be used in the process of generating, controlling and measuring high levels of electromagnetic Radio Frequency (RF) energy.
  • Page 6: Specifications

    SPECIFICATIONS GENERAL DESCRIPTION The A.H. Systems active loop antenna is a receiving antenna that covers the 10 KHz – 30 MHz frequency range. This loop antenna is ideal for emissions testing and has a balanced Faraday shield to reduce the E-field response for a pure magnetic field measurement.
  • Page 7 A.H. Systems Model SAS-562B Active Loop Antenna  A.H. Systems inc. – Oct 2014 REV B...
  • Page 8: Operating Instructions

    A.H. Systems Model SAS-562B Active Loop Antenna OPERATING INSTRUCTIONS ASSEMBLY INSTRUCTIONS To prepare the antenna for operation, attach the shielded loop antenna element to the top of the impedance matching/amplifier base. SETUP INSTRUCTIONS The antenna can be mounted to any tripod with a 1/4-20 attaching stud.
  • Page 9 A.H. Systems Model SAS-562B Active Loop Antenna GENERAL USE INSTRUCTIONS The SAS-562B loop antenna is an active loop designed to perform magnetic field and shielding effectiveness testing. The loop antenna has a balanced Faraday shield to reduce the E-field response for a pure magnetic field measurement.
  • Page 10 A.H. Systems Model SAS-562B Active Loop Antenna CHARGING THE BATTERY Plug the battery charger into either 110 120 Vac, 60 Hz or 220 240 Vac, – – 50 Hz. The amplifier ON-OFF switch must be in the OFF/CHARGE position to charge the battery.
  • Page 11 A.H. Systems Model SAS-562B Active Loop Antenna RECOMMENDED ACCESSORIES The following is a recommend accessory list for the SAS-563B Active Loop Antenna: SAC-210 Standard 3 meter BNC(m) to BNC(m) RF cable made with RG-58. Optional ferrite loading and custom lengths can be made to your specifications. Other cable types available upon request.
  • Page 12: Calculations

    A.H. Systems Model SAS-562B Active Loop Antenna CALCULATIONS EMISSIONS TESTING Individual calibration data for the active loop antenna is supplied to comply with various emissions test requirements. For emissions measurements, add antenna factor plus cable loss to receiver reading in dBV to convert to field strength in dBA/meter.
  • Page 13 A.H. Systems Model SAS-562B Active Loop Antenna TYPICAL ANTENNA FORMULAS LOG -> LINEAR VOLTAGE FIELD STRENGTH & POWER DENSITY ((dB  V – 120) / 20) dBV to Volts V = 10 dBV/m to V/m V/m = 10 (((dBV/m) -120) / 20) Volts to dBV...
  • Page 14: Maintenance

    A.H. Systems Model SAS-562B Active Loop Antenna MAINTENANCE To ensure reliable and repeatable long-term performance, annual re-calibration of your active loop preamplifier by A.H. Systems’ experienced technicians is recommended. Our staff can recalibrate almost any type or brand of antenna.
  • Page 15 A.H. Systems Model SAS-562B Active Loop Antenna WARRANTY INFORMATION A.H. Systems Inc., warrants that our Antennas, Sensors and Probes will be free from defects in materials and workmanship for a period of three (3) years. All other products delivered under contract will be warranted for a period of two (2) years.

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