BIRD 3140A200 Operation Manual

Multi-channel power meter

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Multi-Channel Power Meter
Model
3140A200
Operation Manual
©Copyright 2017 by Bird Technologies, Inc.
Instruction Book Part Number 920-3140A200 Rev. P1

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Summary of Contents for BIRD 3140A200

  • Page 1 Multi-Channel Power Meter Model 3140A200 Operation Manual ©Copyright 2017 by Bird Technologies, Inc. Instruction Book Part Number 920-3140A200 Rev. P1...
  • Page 2: Safety Precautions

    Safety Precautions The following are general safety precautions that are not necessarily related to any specific part or procedure, and do not necessarily appear elsewhere in this publication. These precautions must be thoroughly understood and apply to all phases of operation and maintenance. WARNING Keep Away From Live Circuits Operating Personnel must at all times observe general safety precautions.
  • Page 3: Safety Symbols

    Safety Precautions Safety Symbols WARNING Warning notes call attention to a procedure, which if not correctly performed could result in personal injury. CAUTION Caution notes call attention to a procedure, which if not correctly performed could result in damage to the instrument. Note: Calls attention to supplemental information.
  • Page 4: Safety Statements

    Multi-Channel Power Meter Safety Statements USAGE ANY USE OF THIS INSTRUMENT IN A MANNER NOT SPECIFIED BY THE MANUFACTURER MAY IMPAIR THE INSTRUMENT’S SAFETY PROTECTION. EL USO DE ESTE INSTRUMENTO DE MANERA NO ESPECIFICADA POR EL FABRICANTE, PUEDE ANULAR LA PROTECCIÓN DE SEGURIDAD DEL INSTRUMENTO.
  • Page 5 Safety Precautions SERVICE SERVICING INSTRUCTIONS ARE FOR USE BY SERVICE - TRAINED PERSONNEL ONLY. TO AVOID DANGEROUS ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING UNLESS QUALIFIED TO DO SO. SERVICIO LAS INSTRUCCIONES DE SERVICIO SON PARA USO EXCLUSIVO DEL PERSONAL DE SERVICIO CAPACITADO. PARA EVITAR EL PELIGRO DE DESCARGAS ELÉCTRICAS, NO REALICE NINGÚN SERVICIO A MENOS QUE ESTÉ...
  • Page 6: About This Manual

    About This Manual This manual covers the operating and maintenance instructions for the following models: 3140A200 Changes to this Manual We have made every effort to ensure this manual is accurate. If you discover any errors, or if you have suggestions for improving this manual, please send your comments to our Solon, Ohio factory.
  • Page 7: Table Of Contents

    Table of Contents Safety Precautions ......... i Safety Symbols .
  • Page 8: Chapter 1 Introduction

    Chapter 1 Introduction Purpose and Function The Bird Multi-Channel Power Meter is capable of monitoring radio performance and antenna/feedline characteristics. The Multi-Channel Power Meter provides forward and reflected power for up to eight channels when used in conjunction with compatible power sensors.
  • Page 9: Compatible Power Sensors

    Introduction Compatible Power Sensors Figure 2 Compatible Power Sensors Series 5009 Directional Power Sensor Input Interface Non-Directional Power Sensors Non-Directional power sensors provide power readings in one direction, forward power only. 4044 Power Sensor — The 4044 Series power sensors are typically used to measure forward average power on a 50 ohm RF transmission line with a maximum 100 watt power level in a frequency band with an overall range of 144 to 960 MHz.
  • Page 10: Controls And Indicators

    A A ORS WATTS W W TTS 1 2 3 4 1 2 3 4 5 6 7 8 5 6 7 8 THRULINE THRULINE BIRD ELECTRONIC CORP. BIRD ELECTRONIC CORP. CHANNEL CHANNEL SELECT SELECT P/N 2120A020 P/N 2120A020 FS = 100DCuA...
  • Page 11 Introduction Figure 4 Rear Panel CHANNEL CONNECTORS CHANNEL CONNECT 9-15 VDC 9-15 VDC 1.5 A 1.5 A 1 DC Power Input Input connector for DC power Supply. Connector 2 Sensor Input RJ-25 Input connectors for up to eight compatible Connectors power sensors.
  • Page 12: Chapter 2 Installation

    1. Carefully inspect shipping container for signs of damage.  If the shipping container is damaged, do not unpack the unit. Immediately notify the shipping carrier and Bird Technologies.  If the shipping container is not damaged, unpack the unit. Save shipping materials for repackaging.
  • Page 13 Installation Reflected power and VSWR measurements provide indications of the impedance match of the transmitters (radios) with the antenna. Antenna damage or other degradation can cause an increase in reflected power and a higher VSWR, changes in forward or reflected power levels as measured at the Multi-Channel Power Meter should be investigated.
  • Page 14: Rf And Data Connections

    Multi-Channel Power Meter RF and Data Connections This procedure is an example of one possible cable configuration, based on the description in the Channel Power Monitor and shown in Theory Of Operation Multi-Channel Power Meter Connection Diagram ( ). Some Figure 5 on page 6 configurations may require additional RF cables or adapters..
  • Page 15: Chapter 3 Operating Instructions

    Chapter 3 Operating Instructions Zero Adjust The Analog meter should be checked for zero set under no power conditions. With no power applied the meter pointer should set exactly on zero. If adjustment is required, turn the adjustment screw until the pointer is set at zero.
  • Page 16: Determining Vswr

    Multi-Channel Power Meter Determining VSWR The forward/reverse RF power ratio is readily calculated from the readings, and VSWRs may be determined from . Following the vertical Figure 7 Figure 8 and horizontal grid, determine intersection of forward and reverse power values.
  • Page 17 Operating Instructions Figure 8 VSWR Conversion Nomograph...
  • Page 18: Chapter 4 Maintenance

    Chapter 4 Maintenance Cleaning The outside surface of the Multi-Channel Power Meter may be cleaned with a soft cloth dampened with a mild detergent solution. Do not wipe the meter glass with a dry cloth, a static charge could develop causing an erroneous indication on the meter.
  • Page 19: Troubleshooting

    Maintenance Troubleshooting The following table contains troubleshooting information for problems which can occur during normal operation. Locate the problem, review the possible cause, and perform the corrective action listed. Only those functions within the scope of normal maintenance are listed. This manual cannot list all malfunctions that may occur, or all corrective actions.
  • Page 20: Customer Service

    If the unit needs to be returned for any reason, request an Return Material Authorization (RMA) through the Bird Technologies website. All instruments returned must be shipped prepaid and to the attention of the RMA number.
  • Page 21: Limited Warranty

    Limited Warranty All products manufactured by Seller are warranted to be free from defects in material and workmanship for a period of one (1) year, unless otherwise specified, from date of shipment and to conform to applicable specifications, drawings, blueprints and/or samples. Seller’s sole obligation under these warranties shall be to issue credit, repair or replace any item or part thereof which is proved to be other than as warranted;...

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