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Bird Peak Reading Upgrade 4300-400 (New)For Model 43 Bird Watt Meters - Product Image
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Bird Peak Reading Upgrade 4300-400 (New)
For Model 43 Bird Watt Meters

4300-400 Peak Power Conversion Kit (New)
Conversion Kit for Model 43 Wattmeter
Easily convert any Model 43 to accurately read Peak as well as CW power. Uses standard Bird elements with space to store 1 additional within the meter housing after conversion. Push-on/push-off switch for easy switching between CW and peak power. LED to indicate the meter is switched to Peak mode. No wiring required, mounts on meter studs on most Bird 43 wattmeters.
The Model 4300-400 kit is designed to easily convert any Model 43 to accurately read peak power in AM, SSB and certain limited pulse applications. Installation of the kit in no way affects the Model 43's ability to accurately read CW power. The circuitry operates from 2 standard 9V alkaline batteries.
New, factory warranty one year
Bird 4300-400 Peak Read Upgrade Specs

Price:   $169.00 
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VSWR Laminated Nomograph - Product Image
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VSWR Laminated Nomograph

If you don't want to be bothered to divide one plus the square root of the ratio of the reflected power to the forward power by the square root of one minus the square root of the ratio of the reflected power to the forward power then this chart is for you. Double sided, laminated VSWR calculator, 8 1/2 x 7 inch, easy to read. find your forward power on the bottom of the chart, your reflected power on the left side of the chart and read the VSWR from the chart. New, manufactured by Coaxial Dynamics. Shipping is FREE.
Price:   $9.95 
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Model 43 Pelican 1200 Case (New)Identical to Bird CC-6 - Product Image
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Model 43 Pelican 1200 Case (New)
Identical to Bird CC-6

Keep your wattmeter and elements safe and protected in this rugged weatherproof Pelican case. Identical to the Bird Pelican 1200 case. Foam has cutouts for Model 43 or similar Bird wattmeter, Bird 50 Watt RF Load amd 5 elements or adapters. Leave out the RF load and there are two more cutouts for a total of 7 elements storage.
Price:   $59.95 
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Classic Bird Leather Carry Case CC-1

Good condition Bird Leather Carry case holds and protects your Model 43 style meters along with space for 6 elements in the flip up lid. A bit more expensive than the new plastic carry cases, this is the Classic Bird Electronic carry case. Used, in good condition. Case is intact and fully functional but will have blemishes and scratches in the finish, usual signs of wear.
Price:   $39.95 
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Coaxial Dynmaics Field Strength Element 7610Similiar to the Bird 4030 FS Element - Product Image
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Coaxial Dynmaics Field Strength Element 7610
Similiar to the Bird 4030 FS Element

Plug-in relative Field Strength element for all 7/8" transmission line section in-line wattmeters, Bird Model 43, Coaxial Dynamics, etc..
  • No Battery Required
  • Convenient BNC Input
  • Accepts input from any Antenna
  • Two Year Warranty
Convert your wattmeter to a relative field strength meter, simply plugs in, no batteries required. BNC(F) input accepts portable antenna, beams, etc. Use a beam and a variable attenuator to RDF and locate hidden transmitters. The combination shown detects 100 mW 150 MHz at over 3 meters distance with no problem. Manufactured by Coaxial Dynamics, 100% compatible with Bird 43 style wattmeters. Flex antenna included.

Price:   $149.00 
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Blank Element Dust Dummy Plug - Product Image

Blank Element Dust Dummy Plug

Protect your Bird wattmeter's sensitive 30 microamp meter movement by using this shorting blank when the meter is not in use. It will dampen the meter movement to protect it from impact and vibration that could damage or destroy the meter movement during shipping and handling.

When the meter is not in use there should always be a blanking plug in the element socket. Precision machined from aluminum.


Price:   $3.95 
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Bird 4240-050 QC Connector for Wattmeter (UHF) - Product Image
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Bird 4240-050 QC Connector for Wattmeter (UHF)

UHF Female (SO-239) (New) Manufactured by Coaxial Dynamics
Price:   $15.00 
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Coaxial Dynamics Relative Field Stregth Meter 7601 (New) - Product Image
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Coaxial Dynamics Relative Field Stregth Meter 7601 (New)

Model 7601 Portable Relative Field Strength Meter
  • Superior Sensitivity
  • Broadband 1-3000 MHz
  • Low Power consumption
  • Large Meter Scale for easy reading
  • Detachable Antenna
  • Adjustable Gain Control
  • Internal Battery Test Circuit
Sensitive, portable RF Relative Field Strength Meter. Locate hidden RF sources, antenna tuning and testing, locate RFI leaks, EMI/RFI testing, RDF Radio Direction Finding. Font panel meter sensitivity adjustment. Input BNC connector, flex antenna included. Internal 9V battery (included). Uncalibrated, non-tuned, broadband 1-3000 MHz. Rugged, scratch resistant aluminum case (same as used in the RF Wattmeters 81000A), made to Coaxial Dynamics high quality standards, 2 year warranty (battery excluded).

Users Manual for 7601 FS Meter

Price:   $219.00 
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Bird 4240-062 QC Connector for Wattmeter N(F) - Product Image
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Bird 4240-062 QC Connector for Wattmeter N(F)

Type N (F) New (Manufactured by Coaxial Dynamics)
Price:   $17.50 
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Bird 4240-063 QC Connector for Wattmeter N(M) - Product Image
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Bird 4240-063 QC Connector for Wattmeter N(M)

Bird Type N Male QC connector, used in new condition.
Price:   $15.00 
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Bird 4240-125 QC Connector for Wattmeter BNC (F) - Product Image
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Bird 4240-125 QC Connector for Wattmeter BNC (F)

BNC female QC connector, new Coaxial Dynamics, or used Bird.
Select new or used below.

Price:   $21.50 
Used or New  
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Bird 4240-278 QC Connector for Wattmeter HN(M) (New) - Product Image
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Bird 4240-278 QC Connector for Wattmeter HN(M) (New)

Bird QC connector HN male.
Price:   $69.00 
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Bird 4240-268 QC Connector for Wattmeter HN(F) (New) - Product Image
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Bird 4240-268 QC Connector for Wattmeter HN(F) (New)

Bird QC connector HN female.
Price:   $39.00 
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Bird 4240-132 QC Connector for Wattmeter BNC(M) - Product Image
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Bird 4240-132 QC Connector for Wattmeter BNC(M)

Bird QC connector BNC Male 4 Week Delivery on this item.
Price:   $57.00 
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Bird 4240-344 QC Connector for Bird WattmetersDIN (F) IEC 7/16 (F) - Product Image
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Bird 4240-344 QC Connector for Bird Wattmeters
DIN (F) IEC 7/16 (F)

Bird 7/16" DIN (F) QC connector.

Price:   $55.00 
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Bird 4240-156 QC Connector for Bird Wattmeters TNC(F) - Product Image
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Bird 4240-156 QC Connector for Bird Wattmeters TNC(F)

Bird 4240-156 QC Connector for Bird Wattmeters TNC(F) Used in excellent condition
Price:   $7.50 
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Bird 4240-031 QC Connector for Wattmeter LC(F) (New) - Product Image
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Bird 4240-031 QC Connector for Wattmeter LC(F) (New)

Bird 4240-031 QC Connector for Wattmeter LC(F) New.
Price:   $69.00 
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Equivalent to Bird 4240-002 7/8 Flange EIA QC Connector (New) - Product Image
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Equivalent to Bird 4240-002 7/8 Flange EIA QC Connector (New)

CDI 88010 (same as Bird 4240-002 QC (Quick Change)) Type 7/8 Swivel Flange EIA Connector. Delivery is 3-4 weeks on this product.
Price:   $179.00 
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Bird 4240-100 QC Connector for Wattmeter C(F) - Product Image
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Bird 4240-100 QC Connector for Wattmeter C(F)

Type C female Bird QC connector (used)
Price:   $27.50 
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Bird 7/8 inch Line Section (for Model 43 Wattmeter) - Product Image
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Bird 7/8 inch Line Section (for Model 43 Wattmeter)

Line section for Bird 43 watt meters. QC Connectors are not included. Order QC connectors separately. Can be used to make remote or panel meter installations or replacement for Bird Model 43 line sections. Uses the standard Bird Model 43 type wattmeter elements. Used in excellent condition.


Price:   $99.00 
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Bird Model 43 RPK2080-002New Replacement Meter 30 ua - Product Image
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Bird Model 43 RPK2080-002
New Replacement Meter 30 ua

Replacement meter For Bird Model 43 series wattmeters, 30 ua.
Price:   $99.95 
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Bird 4240-401 QC Interseries Adapter Kit N/SMA/BNC (New) - Product Image
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Bird 4240-401 QC Interseries Adapter Kit N/SMA/BNC (New)

Interseries Adapter Kit, N/SMA/BNC
4240-401 Interseries Adapter Kit
The adapter kit let you assemble compact, precision 50 Ohm adapters to meet up to 45 different matching requirements. The adapters offer low VSWR because of precision matching and tight mating tolerances. The N (F)/N combination, for example, is below 1.05 to 1 GHz and below 1.1 to 2.5 GHz. Model 4240-401 can fashion 45 combinations and includes enough couplers to assemble 5 complete adapters at the same time.
The kit includes N, BNC, TNC, SMA and UHF connectors.
See Kit Configurations
Specificatonis 4240-400 Adapter Kit

Price:   $237.00 
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UHF Jumper RG8X Cable 24"24 inch - PL259 to PL259 (New) - Product Image
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UHF Jumper RG8X Cable 24"
24 inch - PL259 to PL259 (New)

High Quality Jumper Cable 100% tested
Flexible and High Power 1 KW
RG-8X Rugged 50 Ohm Coax, coonector boot for strain relief.

Price:   $21.95 
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BNC Jumper RG8X Cable 24" 24 inch - BNC Male to BNC Male (New) - Product Image
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BNC Jumper RG8X Cable 24"
24 inch - BNC Male to BNC Male (New)

High Quality Jumper Cable 100% tested
Flexible and High Power 1 KW
RG-8X Rugged 50 Ohm Coax, connector boot for strain relief.

Price:   $23.95 
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Type N Jumper Cable RG8X 24"24 inch -  N Male to N Male (New) - Product Image
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Type N Jumper Cable RG8X 24"
24 inch - N Male to N Male (New)

High Quality Jumper Cable 100% tested
Flexible and High Power 1 KW
RG-8X Rugged 50 Ohm Coax, connector boot for strain relief.

Price:   $22.95 
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Bird 4240-156 QC Connector TNC(F) (New) - Product Image
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Bird 4240-156 QC Connector TNC(F) (New)

Bird 4240-156 QC Connector for Bird Wattmeters TNC(F)
Price:   $22.00 
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Bird 4240-160 QC Connector TNC(M) (New) - Product Image
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Bird 4240-160 QC Connector TNC(M) (New)

Bird 4240-160 QC Connector for Bird Wattmeters TNC(M)
Price:   $34.00 
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Bird 4240-400 QC Interseries Adapter Kit N/UHF/BNC/TNC (New) - Product Image
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Bird 4240-400 QC Interseries Adapter Kit N/UHF/BNC/TNC (New)

Interseries Adapter Kit N/UHF/BNC/TNC
4240-400 Interseries Adapter Kit
The adapter kit lets you assemble compact, precision 50 Ohm adapters to meet up to 45 different matching requirements. The adapters offer low VSWR because of precision matching and tight mating tolerances. The N (F)/N combination, for example, is below 1.05 to 1 GHz and below 1.1 to 2.5 GHz. Model 4240-400 lets you create 30 combinations and includes enough couplers to assemble 5 complete adapters at the same time.
The kit includes N, UHF, BNC and TNC connectors. See Kit Configurations.
Specificatonis 4240-400 Adapter Kit

Price:   $210.00 
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Bird Model 4304A RPK2120-015New Replacement Meter For Model 4304A - Product Image
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Bird Model 4304A RPK2120-015
New Replacement Meter For Model 4304A

Replacement meter For Bird Model 4304A series Broadband Wattmeters.
Price:   $219.00 
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12 Elements Carry Case 88801 - Product Image
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12 Elements Carry Case 88801

Hard shell protective carry and storage case for Bird Wattmeter Elements (12)

Hard shell protective carry case for Bird Wattmeter Elements (12). Rugged but not so large that you need a two wheeler to carry it. Slim design will easily fit tool boxes, suitcases, etc. Foam lined, aluminum frame, metal hinges & latch, hard shell, rugged. The elements in the picture are not included. Transport and safely store up to 12 of those very expensive and somewhat delicate Bird wattmeter elements.

Outer dimensions approximately 11"x5"x3", 14 oz.

Hard shell plastic with aluminum frame and steel hinges. Rigid foam element cutouts (12) with convoluted soft foam on top to protect the elements from drops, bumps and scratches.

Price:   $39.50 
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Bird 4240-179 QC Connector for Wattmeter UHF Male (PL-259) (Used)

Bird QC Connector for Model 43 Style Meters - UHF Male (PL-259)) Used
Price:   $21.50 
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Model 43 Pelican 1400 Case (New)Similar to Bird 4300-055 Case - Product Image
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Model 43 Pelican 1400 Case (New)
Similar to Bird 4300-055 Case

This deluxe Pelican 1400 Case has ample room for the Bird 100W RF Load, 5 elements, and a Bird RF Sampler. There's even a hidden comparment for adapters. The meter is completly surronded by foam for ultimate protection for the Bird 43 style meters.

Keep your wattmeter and elements safe and protected in this rugged weatherproof Pelican case. Similar to the Bird Pelican 1200 case but with lot's more room and improved protection for the meter. Foam insert has cutouts for Bird Model 43 or similar Bird wattmeters, Bird 100 Watt RF Load, 5 elements, RF Sampler, and RF adapters.

Contents not included.

Price:   $89.95 
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Model 4304A, 4410A, 43P, etc.  Pelican 1200 Custom Storage Case (New) - Product Image

Model 4304A, 4410A, 43P, etc. Pelican 1200 Custom Storage Case (New)

Pellican 1200 Custom Caser for Bird 4410A and any other Bird 43 style Wattmeters

This case is a perfect match for Bird Wattmeters Models 43, 43P, 4314B/C, 4410A, 4304A and other Bird meters of the same design.

The ultimate protection for your expensive and somewhat delicate wattmeters. The custom foam cutout completly isolates the wattmeter from any contact with the rugged, hard shell, water resistant case.

Martin RF Supply 100% Satisfaction Guarantee.

Price:   $59.95 
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Model 43 Peak Reading Upgrade (New)For Model 43 Bird Watt Meters (Aftermarket)Similar to the Bird 4300-400 - Product Image

Model 43 Peak Reading Upgrade (New)
For Model 43 Bird Watt Meters (Aftermarket)
Similar to the Bird 4300-400

Peak PEP/SSB power plug-in PEAK board for the Bird 43 RF Wattmeter High Quality After Market Module Replaces Bird 4300-400 Peak Module

New Features, High Quality, Plug-in Board, External DC Supply Available

This circuit design has a precision chop stabilized front end amp followed by separate peak detection and hold circuit, so eliminating dc and temperature drift errors. This circuit also accurately matches the expected meter impedance so maintaining its accuracy over the full range of Bird elements.

The board and build quality are to a very high standard, and will deliver accurate readings and trouble free service.

Board specification:

  • Push switch to select between peak/SSB and normal mode (power is only required for peak/SSB mode).
  • Dual power source, 4 x AA on-board batteries or an optional external 9 - 24v dc supply.
  • Supports both alkaline & rechargeable batteries - with on-board charging for NiCad / MiMh batteries.
  • Ultra low power circuit design, typical alkaline battery life in excess of 400 hrs.
  • Chop stabilized first stage - no DC drift or temperature errors.
  • User calibration adjustment using any CW carrier.
  • User adjustable peak hold time.
  • Accurate over the full range of Bird elements.
  • Dual mode LED - flashes 1x per sec in PEAK mode - flashes 4x per sec if battery/PSU volts are low.
  • High quality double sided plated through circuit board.
  • Fits all Bird 43 meters with the standard 38mm and earlier 35mm meter terminal spacing.
This board fits to the back of the Bird 43 meter movement, no alteration is required to the Bird 43, and the board can easily be removed and the meter returned to its original condition.

Powered by 4 on-board AA size batteries, or an external DC power supply (9v to 24v).

This is the latest board design compatible with early Bird 43s and includes user adjustable peak hold time, and on-board battery charging.

The power jack is on one side of the board, and the push switch, led, and calibration adjustment on the other. These are accessed via the element holder openings - so you can no longer store elements here.

This sale is for the peak/SSB power board, supplied with a 2.1mm power jack connector, no batteries or power supply are included in the offer.

The batteries shown are for illustration - they are not included in the sale.

Two year replacement limited warranty!

Price:   $59.95 
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Bird Model 43 RPK8000-1Bird Vent Plug & Shipping Plug Assembly - Product Image

Bird Model 43 RPK8000-1
Bird Vent Plug & Shipping Plug Assembly

The RPK8000-1 Replacement Part Kit may be used on all attenuators, terminations and loads using DC 200 Coolant (P/N 5-1070). The kit consist of (1) Shipping/Vent Plug Assembley.

For Bird Termaline RF Loads and Tenuline RF Attenuators.

Price:   $69.00 
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Martin RF Supply
eCommerce Office
Arlington, MA 02474
www.MartinRFSupply.com

email: Sales@MartinRF.com


Phone: (781)430-0450
Fax: (781)915-0776

Sales@MartinRF.com