Nbird 43 wattmeter pdf

This test is optional, you can repairdiagnose your watt meter without this test. Each model 43 consists of a line section, qc quick change. Thruline instruments can be left in the line for continuous monitoring of either the transmitter power output or the amount reflected by the antenna. The bird 4314b wattmeter is similar to the bird model 43 thruline wattmeter but also contains electronic circuitry to accurately measure peak envelope power which is present in amplitude modulated signals such as am broadcast, single sideband and tv video transmitters. Bird makes a kit, and there are several other manufacturers that make kits as well.

Get the best deals on bird model 43 when you shop the largest online selection at. It can be used with cw, am, fm, and tv modulation, but not pulse modulation. Bird directional wattmeter model 43 emitec industrial. Welcome onboard this restauration report of a bird 43 rf wattmeter. The bird 4520 series comes ready for panel mounting. Rf directional thruline wattmeter model 43 repeater builder. In order to extend battery life, here is a suggestion. If cleaning becomes necessary, shut off the rf power. Bird rf wattmeters and elements bird rf online store. Array solutions as43a digital meter for bird 43 ad5x. Introduction describes the features of the 43 wattmeter, lists equipment supplied and optional equipment, and provides powerup instructions. Thruline 43 measuring instruments pdf manual download. Personnel working with or near high voltages should be familiar with modern methods of resuscitation.

The auxiliary dc connector on the model 4301 can be used to connect to an accessory line section. Model 43 wattmeter the industry standard bird 43 wattmeter is a fieldproven portable, insertiontype instrument designed to measure both forward and reflected cw power in coaxial transmission lines under any load condition. An introduction, overview and howtouse tutorial of the venerable bird model 43 thruline directional rf wattmeter power meter. Bird 43p, general purpose wattmeter with peak reading. Bird electronic wattmeters radiodan has a modification to the bird 43 series that allows three power ranges from one element, click here rf power measurement and calibration services bird wattmeter, element, dummy load, line section, qc connector. Wattmeter element slug 50 watts 2560 mhz bird 43 coaxial dynamics 82015 50a 5 out of 5 stars. Differences are discussed in model differences on page 25. Bird 43 rfwattmeter service manual download, schematics. Whether you are a new user or an rf pro who goes back with bird to the time the model 43 was launched, youll find this thru. However, in the case of portable meters, like the bird 43, the 9v battery is connected all the time. Thruline 4304a measuring instruments pdf manual download.

Bird wattmeter rf power measurement, wattmeters, elements. The 43 wattmeter is a fieldproven portable, insertiontype instrument designed to measure both forward and reflected cw power in coaxial transmission lines under any load condition. The bird 4520 series come ready for panel mounting. Over 2,175 sold up for sale is a peppeak 2x5x multipier kit and not any wattmeters. With a fullscale accuracy of 5%, it accurately measures rf power with low added vswr and insertion loss. The model 43 thruline directional wattmeter accurately measures forward or reflected power in coaxial transmission lines under any load condition. Bird model 43 wattmeter bird 4301 thruline wattmeter the bird 4301 thruline wattmeter is the same as the bird 43 except for the following physical differences. It has an aluminum housing and an easily removed back cover, with bumpers on the base and back that allow the meter to stand or lie flat. Bird 4314 thruline peak pep wattmeter element parts kit. Bird model 43 thruline rf wattmeter w bird 4300400 pep module installed, measures tdma cdma dmr pep peak cw ssb pulse burst450 khz to 2. I have a number of bird 43 watt meters, but i installed this unit in one that had a bird. View and download bird thruline 43 instruction book online. Bird model 43 thruline rf wattmeters bird 5000xt digital power meters bird 4410a multirange meters bird 4421 rf laboratory power meters bird apm16 wattmeters tdma cdma bird terminating power meters bird 5000ex digital rf wattmeters. Bird 43 leather case for 12 wattmeter elements for sale.

This meter replaces a defective or broken meter in your wattmeter. The meter movements in the bird model 43 rarely fail and it is usually obvious when they do physical damage, etc. This video shows how easy it is to add a peakreading adapter to a bird 43 wattmeter. Broadband, 25 to mhz, 5 to 500 watt single element and wattmeter the 4304a wattmeter uses the basic construction of the model 43 and modifies it with a special broadband element and range switch for general purpose rf power measurement without the hassle of carrying a set of individual elements. Replacement meter for bird 43 wattmeter bird rpk2080. Differences are discussed in chapter 6, on page 27. Bird 4304a thruline single element wattmeter 25 mhz 5. In the following test you will place your ohmmeter leads across the 30 ua meter movement in your bird wattmeter. Two models have rf sampler ports, while the bird 43p can measure peak power. This is a wattmeter specially designed for cellular signals between 440 mhz and 960 mhz. Bird offers a wide selection of rf wattmeters for measuring forward and reflected power in coaxial transmission lines.

Model 43 wattmeter the industry standard 43 series, repair part kits are compatible with the following models. Bird model 43 wattmeter 2 performance characteristics and capabilities the bird 43 is portable, with an included carrying strap. Bird model 43 rf wattmeter repairs and tips by martin rf. The traditional form of wattmeter is called as dynamometer wattmeter. Bird 4304a broadband thruline rf wattmeter 25 mhz 5500w. Bird model 43 thrulinec wattmeter new accuracy 5% fs. This is fine in the case of a wattmeter being used in the shack connected to a power supply. Bird 4240407 tnc female with quick change unidapt flange for bird 43 wattmeters.

Almost since it was introduced in 1952, the bird model 43 wattmeter has been the defacto power measuring standard in commercial and ham radio. Bird offers a wide selection of portable insertiontype instruments for measuring forward and reflected power in coaxial transmission lines. This manual covers the operation of the bird 43 thruline wattmeter and its descendants. The bird model 43 is the industry standard for power measurements with a wide selection of elements available. Calibration and repair for bird wattmeter elements. Installing a peak reading kit into a bird 43 wattmeter. For additional protection, the microammeter is specially shock mounted. Two models have rf sampler ports, while the bird 43p can measure. The bird 4314b wattmeter is similar to the bird model 43 thruline wattmeter but also contains electronic circuitry to accurately measure peak envelope power which is present in amplitude modulated signals such as am broadcast, single sideband and tv video. The video shows how to open a bird watt meter element. How to measure the output power of a transmitter and the vswr of an antenna system using a bird model 43 directional wattmeter.

This device is available in a purely electronic form too which is known as digital wattmeter. As i looked over the elements, i wondered if it was possible to gain access to the passive and. The dynamometer wattmeter works on the motor principle. Bird 43 thruline peak pep wattmeter element kit 2x 5x. Caution statements the following equipment cautions appear in the text and are repeated here for emphasis. Bird rf power measurement instruments catalog circa 1986. See details bird 43 thruline peak pep wattmeter element kit 2x 5x multiplier new.