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Termaline® Coaxial Load Resistor

iii

Caution Statements

The following cautions appear in the text whenever the equipment is in danger
of damage, and are repeated here for emphasis.

CAUTION

The load is designed for operation in a horizontal plane only, with

mounting brackets down. Do not operate in any other position.

CAUTION

Do not operate this equipment continuously above the rated 500 W for

Model 8201, or 600 W for Model 8203. Load failure will result.

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Содержание TERMALINE 8201

Страница 1: ...LINE COAXIAL LOAD RESISTOR MODELS 8201 8203 Operation Manual Copyright 2017 by Bird Technologies Inc Instruction Book P N 920 8201 03 Rev B Termaline is a Registered Trademark of Bird Electronic Corporation ...

Страница 2: ...o remove the RF transmission line while RF power is present WARNING Do Not Service Or Adjust Alone Under no circumstances should any person reach into an enclosure for the purpose of service or adjustment of equipment except in the presence of someone who is capable of rendering aid WARNING Safety Earth Ground An uninterruptible earth safety ground must be supplied from the main power source to te...

Страница 3: ...l injury CAUTION Caution notes call attention to a procedure which if not correctly performed could result in damage to the instrument The caution symbol appears on the equipment indicating there is important information in the instruction manual regarding that particular area WARNING When power is in the upper range of the load s capacity the radiator will become hot care should be used in touchi...

Страница 4: ... damage and are repeated here for emphasis See page 5 See page 7 CAUTION The load is designed for operation in a horizontal plane only with mounting brackets down Do not operate in any other position CAUTION Do not operate this equipment continuously above the rated 500 W for Model 8201 or 600 W for Model 8203 Load failure will result ...

Страница 5: ...EGURIDAD DEL INSTRUMENTO BENUTZUNG WIRD DAS GERÄT AUF ANDERE WEISE VERWENDET ALS VOM HERSTELLER BESCHRIEBEN KANN DIE GERÄTESICHERHEIT BEEINTRÄCHTIGT WERDEN UTILISATION TOUTE UTILISATION DE CET INSTRUMENT QUI N EST PAS EXPLICITEMENT PRÉVUE PAR LE FABRICANT PEUT ENDOMMAGER LE DISPOSITIF DE PROTECTION DE L INSTRUMENT IMPIEGO QUALORA QUESTO STRUMENTO VENISSE UTILIZZATO IN MODO DIVERSO DA COME SPECIFIC...

Страница 6: ...RGAS ELÉCTRICAS NO REALICE NINGÚN SERVICIO A MENOS QUE ESTÉ CAPACITADO PARA HACERIO WARTUNG ANWEISUNGEN FÜR DIE WARTUNG DES GERÄTES GELTEN NUR FÜR GESCHULTES FACHPERSONAL ZUR VERMEIDUNG GEFÄHRLICHE ELEKTRISCHE SCHOCKS SIND WARTUNGSARBEITEN AUSSCHLIEßLICH VON QUALIFIZIERTEM SERVICEPERSONAL DURCHZUFÜHREN ENTRENTIEN L EMPLOI DES INSTRUCTIONS D ENTRETIEN DOIT ÊTRE RÉSERVÉ AU PERSONNEL FORMÉ AUX OPÉRAT...

Страница 7: ...section before operating the equipment is strongly advised The remainder of this Instruction Book is divided into chapters and sections Operation First time operators should read Chapter 1 Introduction page 1 Chapter 2 Theory of Operation page 4 and Chapter 3 Installation page 5 to get an overview of equipment capabilities and how to install it An experienced operator can refer to Chapter 4 Operat...

Страница 8: ...ction 1 Purpose and Function 1 Description 1 Performance and Capabilities 1 Dimensions and Weight 2 Power and Utility Requirements 2 Environmental Requirements 2 Items Supplied 2 Items Required 3 Tools and Test Equipment 3 Chapter 2 Theory of Operation 4 Cooling 4 Chapter 3 Installation 5 Location 5 Mounting 5 Chapter 4 Operating Instructions 6 Use and Function of Controls 6 Initial Adjustments 6 ...

Страница 9: ...spection 9 Preventive Maintenance 9 DC Resistance 9 Disassembly 10 RF Connector Replacement 10 Diaphragm and Coolant Oil 10 RF Load Resistor Assembly 10 Assembly 11 RF Connector 11 Diaphragm and Coolant Oil 11 RF Load Resistor Assembly 11 Repairs 11 Preparation For Shipment 11 Storage 12 Customer Service 12 Specifications 13 Replacement Parts List 14 Models 8201 03 14 Limited Warranty 15 ...

Страница 10: ...enna For tuning RF transmitters under non radiating conditions For making routine tests and adjustments As a substitute for any 50 ohm circuit loading element To measure with a suitable indicating device the power output of any coaxially transmitted RF signal within its rating Description These models are rectangular in shape with transverse fins encasing an oil dielectric filled coolant cylinder ...

Страница 11: ... self contained and do not require a source of power or utility service to perform their function other than the RF input power Environmental Requirements The load should be operated in an environment as free of dust and vibration as possible For proper operation the ambient temperature should remain within the range of 40 C to 45 C 40 F to 113 F for Model 8201 and 40 C to 30 C 40 F to 86 F for Mo...

Страница 12: ...e Model 8203 a Female N is needed for connecting these load resistors to the source of RF power Tools and Test Equipment Screwdrivers for disassembly of this equipment An ohmmeter with an accuracy of 1 percent or better at 50 ohms is recommended for checking the resistance value of the resistor Figure 1 Model 8201 ELECTRONIC 4240 062 ...

Страница 13: ...onductor of the coaxial circuit This produces a uniform and practically reflection less line termination over the stated frequencies for the load resistor Cooling The dielectric coolant is chosen for its desirable dielectric and thermal characteristics Cooling of the Models 8201 and 8203 is accomplished by natural fluid and air convection currents The 0 7 gallon of dielectric coolant carries the e...

Страница 14: ...tion or for fixed installation that is it may stand free or may be secured to a bench or any convenient flat surface The front and rear fins are made of heavier gauge material bent outward 90 degrees to form mounting flanges To fasten the load by means of its base mounting flanges 1 Fasten the load with four screws Put one screw in each of the four 9 32 inch holes Note Use screws up to 1 4 inch di...

Страница 15: ...8201 or 8203 Termaline Load Resistor to the transmitting equipment under test with 50 ohm coaxial cable 3 After the transmitter has been connected to the load proceed according to the transmitter manufacturer s instructions When reconnecting the antenna it may become necessary to slightly readjust the transmitter due to possible differences in VSWR between the load and the antenna system Normal Op...

Страница 16: ...t be shut off at the source of the RF energy Emergency Shutdown Turn off the RF power at the source CAUTION Do not operate this equipment continuously above the rated 500 W for Model 8201 or 600 W for Model 8203 Load failure will result WARNING Never attempt to connect or disconnect RF equipment from the transmission line while RF power is being applied Leaking RF energy is a potential health haza...

Страница 17: ...akage of coolant oil around band or radiator housing Clamping band not tight Tighten clamping band with a screwdriver Faulty o ring front Replace per the RF Load Resistor paragraph Faulty diaphragm rear Replace per the Diaphragm and Coolant Oil paragraph Overheating of the radiator Transmitter power is too high Reduce the transmitter power Coolant Lever is too low Add more coolant per the Diaphrag...

Страница 18: ...d troubles their causes and suggested corrective measures Use the chart as a guide when analyzing symptoms Preventive Maintenance Because of the basic simplicity of construction no special maintenance procedures are required Keep the equipment clean and occasionally check the coolant level in the radiator tank DC Resistance Check the condition of the load resistor by accurate measurement of the DC...

Страница 19: ... tipping it over 2 Loosen the clamp screw until the clamping band is released 3 Remove the diaphragm cover and lift the diaphragm from the back end of the radiator tank Inspect the diaphragm It should be soft and pliable If it has hardened or shows signs of surface cracks replace it 4 The coolant oil level should be about one inch below the top of the radiator cylinder If the oil appears to be con...

Страница 20: ... clamping band screw 4 Check for leaks Pay particularly close attention to the area around the clamping band RF Load Resistor Assembly 1 Hold the load assembly by the RF connector and slowly lower the assembly into the radiator 2 Place the clamp band on and tighten the clamp screw until the clamping band is tight 3 Place the unit on its flanges in a horizontal position 4 Check for leaks Pay partic...

Страница 21: ...tomer Service Any maintenance or service procedure beyond the scope of those in this chapter should be referred to a qualified service center 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 Bird Service Center 30303 Aurora Road C...

Страница 22: ... N adapter and a dust cap Power Range Model 8201 Model 8203 500 W Continuous 600 W Continuous Frequency Range Model 8201 Model 8203 DC 2500 MHz DC 1000 MHz Dimensions 16 13 16 L x 5 15 16 W x 8 1 2 H 427 x 151 x 216 mm Ambient Temperature Model 8201 Model 8203 40 C to 45 C 40 F to 113 F 40 C to 30 C 40 F to 86 F Coolant Method Convention air currents Weight 20 4 lb 9 2 kg Operating Position Horizo...

Страница 23: ...5 1 Diaphragm 2430 015 6 1 Diaphragm cover 2430 148 7 2 Clamp band 2430 043 8 1 O Ring seal 8110 171 9 1 Radiator handle 2430 028 10 1 Adapter and chain assembly 8203 003 11 1 Dust cap Model 8203 5 297 N Female 4240 062 LT Female 4240 018 N Male 4240 063 LT Male 4240 015 HN Female 4240 268 C Female 4240 100 HN Male 4240 278 C Male 4240 110 LC Female 4240 031 UHF Female SO 239 4240 050 LC Male 4240...

Страница 24: ...ry such claim for breach of these warranties shall be deemed to be waived by Buyer unless made in writing within ten 10 days from the date of discovery of the defect The above warranties shall not extend to any products or parts thereof which have been subjected to any misuse or neglect damaged by accident rendered defective by reason of improper installation or by the performance of repairs or al...

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