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Manual de usuario NARDA, modelo 8718B

Fabricar: NARDA
Tamaño del archivo: 1.16 mb
Nombre del archivo: 8f21b708-bc59-409d-85c6-7141b52932f6.pdf
Idioma del manual:en
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Resumen del manual


It can be used with any Narda 8700 Series probe. The 8718B is an upgraded version of the original Model 8718. Although there are many enhancements, the 8718B is most easily distinguished from its predecessor by the quick-release style probe connector. The meter enables you to perform both simple measurements and more demanding ones that require averaging and/or data logging. It can be mounted on a tripod and used with an optional fiber optic link for enhanced accuracy in certain applications. Getting Started with the Model 8718B It is important to become familiar with the Model 8718B before you use it. Chapter 2 explains the basic meter hardware. Chapters 3 and 4 cover probe selection and basic operation. The menu system, which is the gateway to all the meter’s advanced features, is the subject of Chapter 5. It is strongly recommended that, as a minimum, you read Chapters 2-4, and preferably Chapter 5, thoroughly before you attempt to use the Model 8718B. The advanced features in Chapters 6 though 17 can then be referred to as required. Chapter 18 covers the use of the User's Software. Chapter 1 Introduction User’s Guide Updates This User’s Guide was thoroughly reviewed for accuracy prior to publication. Corrections to this guide necessitated by errors or omissions or by minor revisions to the meter firmware will be covered in the README file enclosed with the User's Software. The README file is available at any time from the HELP menu within the User's Software. Equipment Supplied Your Model 8718B is supplied with: • Meter • Battery Charger/Power Supply • Power Cord (230 volt chargers only) • Storage Case • Probe Extension Cable Model 8744-04 • Electric Field Attenuator Model 8713B • User's Software (CD-ROM) • Computer Cable • User’s Guide Using this Guide with a Model 8718 The Model 8718 can be upgraded to take advantage of most, but not all, of the improvements incorporated into the Model 8718B. The upgrade includes some minor hardware changes and the installation of the Version 3.0 firmware that is described in this guide. There are only a few differences in the operation of a Model 8718 upgraded with Version 3.0 firmware versus the new 8718B. Those differences are noted in this guide. Operating the Meter 2 2 Understanding Your Model 8718B Note NiCad batteries should be fully discharged (<20% indication) before recharging. Charge for a minimum of 8 hours. See Checking Battery Status in Chapter 12. General Description It is important to be familiar with the Model 8718B before you use it. This section includes descriptive data keyed to highlighted illustrations to help you locate the various features of the meter. The descriptions not only identify the features but tell you how they are used. Battery Charger and Power Cord The battery charger and power cord are used to recharge the battery within the Model 8718B. To recharge the meter, first connect the cable of the battery charger to the larger jack on the left side of the meter. Make sure the plug is fully inserted into the jack. Connect the power cord to the wall outlet. The battery will be fully charged in about 8 hours. The indicator light on the charger illuminates during charging. A full charge will give you about 20 hours of operation (approximately 6.5 hours if back lighting is used). The charger can also be used to power the Model 8718B when it is to be operated for periods beyond the capacity of the battery. Chapter 2 Understanding Your Model 8718B Probe Connection To make measurements, you must use your Model 8718B with a compatible probe. Connect the cable of the probe to the probe connector located at the top of the unit. If you use a fiber optic link, the probe connects to a fiber optic transmitter. A fiber optic cable connects the transmitter to the rectangular fiber optic jack on the left side of the meter. Audio Alarm Your Model 8718B is equipped with an audible alarm that emits sound through a tiny hole on the bottom of the meter. The alarm sounds whenever the field strength exceeds the measurement range of the probe (over ranges). You can also set the meter to sound its alarm at a specific level and/or turn on a variable-tone mode. Probe Test Sources Your Model 8718B is equipped with two RF sources for testing your probes. The Test Source key will turn these sources on. They will stay on for approximately 20 seconds. A microwave (waveguide) window on the right side of the probe is used for testing high frequency probes. A contact on the right side of the meter is used for testing low frequency probes. Most probes have three test points on the head of the probe. Operating the Meter Strap and Tripod Mount A strap is provided on the underside of the Model 8718B. It has a hook and loop closure to permit easy adjustment, around your hand. Behind the strap is a threaded connector used to secure the meter to a tripod. Loosen the strap to access this connector. Operation With a Computer To update probe calibration information or retrieve store...


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