We now have a "Used Equipment" section packed with Wattmeters, Elements, & Accessories!

Bird 4274 Sampler Elements

The 4274 Series sampler elements are non-directional couplers that replace the standard element in your Bird 43 wattmeter for such applications as RF signal observation, spectrum analysis or frequency counting and control where main line power does not exceed 500 w. The Model 4274-025 is a wide range device that provides an unrectified signal at about /50 dB ± 2 dB from 25-1000 MHz tapering to -66 dB at 2 MHz. The Model 4274-050 delivers a variable unrectified signal from -35 to -48 dB (± 1 dB) from 100-400 MHz. Model Frequency Band (MHz) Nominal Coupling Max. Main Line Power Price Ea. 4274-025 25-1000 -50 dB ± 2 dB (-66 dB @ 2 MHz) 500 w $129.00 4274-050 100-400 -35 dB to -48 ± 1 dB Adjustable 500 w $138.95

CDI X-Tractor Sampler Elements

The X-Tractor Series sampler elements from Coaxial Dynamics are Directional or Non-Directional couplers that replace the standard element in your wattmeter for such applications as RF signal observation, spectrum analysis or frequency counting and control where main line power does not exceed 10,000W on Non-Directional or 1000W on Directional X-Tractors. CDI elements come with a 2 Year limited Warranty. Non-Directional, Adjustable Model Line Size Coupling (dB) 87004 7/8" 43 +/- 8 dB 87005 7/8" 45 +/- 8 dB Power Range Up to 10,000 Watts Frequency Range 2 MHz to 1000 MHz VSWR 1.1:1 max 2 to 512 MHz 1.25:1 max 512 to 1000 MHz Insertion Loss 0.1 dB max 2 to 512 MHz 0.2 dB max 512 to 1000 MHz Accuracy ±5% of full scale Impedance 50-Ohms Connector BNC Female Weight 1.25 oz. (.035 kg)  List Price $100 Each Directional, Fixed Model Line Size Max Power Coupling (dB) Frequency Range Price Each *87014S 7/8" 1000 W 37.5 +/- .75 dB 54 to 90 MHz $147.00 *87015 7/8" 1000 W 50 +/- 1 dB 50 to 500 MHz 105.00 87016 7/8" 1000 W 37.5 +/- .75 dB 174 to 230 MHz 147.00 * +/- 1 dB at 174 to 500 MHz, Coupling drops to 48 dB at 50 MHz VSWR 1.1:1 max Insertion Loss 0.1 dB max Accuracy ±5% of full scale Directivity 30 dB Impedance 50-Ohms Connector BNC Female Weight 1.25 oz. (.035 kg)

Bird Directional Coupler Elements
The directional coupler plug-in elements listed below are used for signal leveling, frequency control, wave-shape monitoring, local oscillator or marker signal injection, etc. They extract a calibrated amount of power from the main line signal flowing in the direction of the arrow. This attenuated signal is NOT rectified (as in the standard measuring elements), but is brought out through a female BNC connector on top of the element. Coupler elements fit the standard sockets, but there are no dc output tabs on the element body since no dc is produced. An added convenience is rotating the element between 0¡ and 180¡ varies the amount of coupling like a variable attenuator. Minimum attenuation of the main line signal is the nominal coupling ± 1 dB shown for each unit within the stated frequency band. Select from table below.
Frequency Band (MHz)	Nominal Coupling Max. Main Line Power*	Model	Price Each
50-100	-40 dB 1 kW	400-50	$ 135.00
75-150		400-75
125-250		400-125
225-450		400-225
400-800		400-400
750-1250		400-750
*The power rating of the directional couplers cannot exceed the peak and average power ratings of the transmission line.

7/8" Standard Elements for Bird and Coaxial Dynamics Meters for Bird series 43, and Coaxial Dynamics 81000 series Wattmeters
Coaxial Dynamics and Bird Electronics 7/8" elements are designed to meet the same specifications, and are 100% interchangeable.
Watts	2-30 MHz	25-60 MHz	50-125 MHz	100-250 MHz	200-500 MHz	400-1000 MHz	950-1300 MHz	1.1-1.8 GHz
2.5								CD 82078 149.00
5	Not Available	Bird 5A $83.00 CD 82012 75.00	Bird 5B $83.00 CD 82020 75.00	Bird 5C $83.00 CD 82028 75.00	Bird 5D $83.00 CD 82036 75.00	Bird 5E $83.00 CD 82045 75.00
10	Not Available	Bird 10A $83.00 CD 82013 75.00	Bird 10B $83.00 CD 82021 75.00	Bird 10C $83.00 CD 82029 75.00	Bird 10D $83.00 CD 82037 75.00	Bird 10E $83.00 CD 82046 75.00	CD 82069 156.00	CD 82080 156.00
25	Not Available	Bird 25A $83.00 CD 82014 75.00	Bird 25B $83.00 CD 82022 75.00	Bird 25C $83.00 CD 82030 75.00	Bird 25D $83.00 CD 82038 75.00	Bird 25E $83.00 CD 82047 75.00		CD 82081 156.00
50	Bird 50H $171.00 CD 82004 105.00	Bird 50A $83.00 CD 82015 75.00	Bird 50B $83.00 CD 82023 75.00	Bird 50C $83.00 CD 82031 75.00	Bird 50D $83.00 CD 82039 75.00	Bird 50E $83.00 CD 82048 75.00
100	Bird 100H $171.00 CD 82005 105.00	Bird 100A $83.00 CD 82016 75.00	Bird 100B $83.00 CD 82024 75.00	Bird 100C $83.00 CD 82032 75.00	Bird 100D $83.00 CD 82041 75.00	Bird 100E $83.00 CD 82049 75.00
250	Bird 250H $171.00 CD 82006 105.00	Bird 250A $83.00 CD 82017 75.00	Bird 250B $83.00 CD 82025 75.00	Bird 250C $83.00 CD 82033 75.00	Bird 250D $83.00 CD 82042 75.00	Bird 250E $83.00 CD 82050 75.00	CD 82073 156.00
500	Bird 500H $171.00 CD 82007 105.00	Bird 500A $83.00 CD 82018 75.00	Bird 500B $83.00 CD 82026 75.00	Bird 500C $83.00 CD 82034 75.00	Bird 500D $83.00 CD 82043 75.00.	Bird 500E $83.00 CD 82051 75.00	CD 82074 156.00
1000	Bird 1000H $171.00 CD 82008 105.00	Bird 1000A $83.00 CD 82019 75.00	Bird 1000B $83.00 CD 82027 75.00	Bird 1000C $83.00 CD 82035 75.00	Bird 1000D $83.00 CD 82044 75.00	Bird 1000E $83.00 CD 82052 75.00	CD 82075 156.00
2500	Bird 2500H $259.00 CD 82009 139.00
5000	Bird 5000H $259.00 CD 82010 139.00

7/8" Pulse Power Elements; ±8% of Full Scale for Bird and Coaxial Dynamics Meters for Bird series 43, and Coaxial Dynamics 81000 series Wattmeters
Watts	0.45-2.5 MHz	2-30 MHz	25-60 MHz	50-125 MHz	100-250 MHz	200-500 MHz	400-1000 MHz
2500	Bird 2500P $265.00		Bird 2500A $175.00 CD 82053 162.00	Bird 2500B $175.00 CD 82054 162.00	Bird 2500C $175.00 CD 82055 162.00	CD 82056 162.00	Bird 2500E $175.00 CD 82057 175.00
5000	Bird 5000P $265.00		Bird 5000A $175.00 CD 82058 162.00	Bird 5000B $175.00 CD 82059 162.00	Bird 5000C $175.00 CD 82060 162.00	CD 82061 162.00	Bird 5000E $175.00 CD 82062 162.00
10000	Bird 10000P $265.00	Bird 10000H $259.00 CD 82011 162.00	CD 82063 162.00	Bird 10000B $259.00 CD 82064 162.00	CD 82065 162.00	CD 82066 162.00	Bird 10000E $259.00 CD 82067 162.00
25000		(only for 81000A wattmeter) CD 820S016 166.00

High Frequency Elements; ±8% of Full Scale for Bird and Coaxial Dynamics Meters for Bird series 43, and Coaxial Dynamics 81000 series Wattmeters
Watts	950-1260 MHz	1100-1800 MHz	1700-1999 MHz	1999-2200 MHz	2200-2300 MHz	2300-2400 MHz	2400-2500 MHz	2500-2600 MHz	2600-2700 MHz
1	Bird 1J $171.00	Bird 1K $171.00 CD 82077 156.00	Bird 1L1 $171.00	Bird 1L2 $171.00	Bird 1M $171.00	Bird 431-17 $171.00	Bird 431-20 $171.00	Bird 431-23 $171.00	Bird 431-120 $171.00
2.5	Bird 2.5J $171.00	Bird 2.5K $171.00 CD 82078 156.00	Bird 2.5L1 $171.00	Bird 2.5L2 $171.00	Bird 2.5M $171.00	Bird 431-110 $171.00	Bird 431-107 $171.00	Bird 431-108 $171.00	Bird 431-117 $171.00
5	Bird 5J $171.00 CD 82068 156.00	Bird 5K $171.00 CD 82079 156.00	Bird 5L1 $171.00	Bird 5L2 $171.00	Bird 5M $171.00	Bird 432-15 $171.00	Bird 432-28 $171.00	Bird 432-2 $171.00	Bird 432-12 $171.00
10	Bird 10J $171.00 CD 82069 156.00	Bird 10K $171.00 CD 82080 156.00	Bird 10L1 $171.00	Bird 10L2 $171.00	Bird 10M $171.00	Bird 432-125 $171.00	Bird 432-141 $171.00	Bird 432-102 $171.00	Bird 432-104 $171.00
25	Bird 25J $171.00 CD 82070 156.00	Bird 25K $171.00 CD 82081 156.00	Bird 25L1 $171.00	Bird 25L2 $171.00	Bird 25M $171.00	Bird 433-19 $171.00	Bird 433-20 $171.00	Bird 433-35 $171.00	Bird 433-36 $171.00
50	Bird 50J $171.00 CD 82071 156.00	Bird 50K $171.00 CD 82082 156.00	Bird 50L1 $171.00	Bird 50L2 $171.00	Bird 50M $171.00	Bird 433-37 $171.00	Bird 433-38 $171.00	Bird 433-163 $171.00	Bird 433-164 $171.00
100	Bird 100J $171.00 CD 82072 156.00
250	Bird 250J $171.00 CD 82073 156.00

7/8" High Frequency Milliwatt Elements; ±8% of Full Scale for Bird and Coaxial Dynamics Meters for Bird series 43, and Coaxial Dynamics 81000 series Wattmeters
Watts	950-1200 MHz	1250-1500 MHz	1500-1700 MHz	1700-2200 MHz	2300-2400 MHz	2400-2500 MHz	2500-2600 MHz
100 mW	Bird 430-82 $262.00	Bird 430-209 $262.00	Bird 430-210 $262.00	Bird 430-178 $262.00	Bird 430-211 $262.00	Bird 430-182 $262.00
250 mW				Bird 430-1 $262.00	Bird 430-239 $262.00	Bird 430-240 $262.00	Bird 430-241 $262.00
500 mW		Bird 430-259 $262.00		Bird 430-95 $262.00		Bird 430-159 $262.00

 

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