WELCOME TO NM3E's  RF Wattmeter Pages!

Coaxial Dynamics authorized dealer

Stocking new and used CDI and Bird® meters and elements. 

No order too large or small.

Pages viewed since June 2004 Hit Counter

(email is best) My phone # is 610-207-4865 (email is best)

Email questions to   nm3e@verizon.net   (NOT my Paypal email)

ORDER / PAYMENT INFO and PAYPAL email address  CLICK  HERE

I SHIP INTERNATIONALLY

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Every Item is tested and guaranteed NOT DOA = it will arrive Working

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CLICK THE LINKS BELOW TO FIND WHAT YOU NEED

BIRD® 43 METERS NICEST     GOOD BIRD® 43   CHEAP 43 LIKE CLONES   BIRD® 43 PANEL METERS 

        PEAK METERS, 43P and Coaxial Dynamics        DIGITAL METERS (using Bird® 43 elements)

Bird® 43 ELEMENTs  by type:

    A 25-60MHz   B 50-125MHz    C 100-250MHz  D 200-500MHz  E 400-1000MHz 

H 2-30MHz +(CB)    P .45-2.5Mhz  GHz 1000MHz+ LNA    Other

Low Priced Bargain Elements

Bird® 4410 / 4410A Type Meters and elements     Bird® 4431 RF Sampling meters    

Other BIRD® NON-43 TYPE METERS Elements and 4421 Sensors

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        QC CONNECTORS        UNIDAPT CONNECTORS AND SETS

OTHER STUFF      DUMMY LOADS             ATTENUATORS,  RF SAMPLERS

CASES BOTH METER AND ELEMENT CASES       SINGLE + DUAL LINE SECTIONS, CABINETS ETC

REPLACEMENT Parts FOR METERS         Useful LINKS page

RF ADAPTERS   ANDREWS 1/2 inch Hard Line  SNAP-AROUND Chokes

Lots of ANDREW Hard Line connectors and jumpers

  ENI Generators on consignment  

Finder (ENDO-type) Scopes using fiber optics

SELLING MY FT-847

        

 

New SNAP-AROUND Chokes

These can be closed and opened several times without damage.

They have a separate flap for attachment with a tie wrap or tape. So you do not have to tape around the large choke then the coax.  One or two turns, of tape, over the flap and around the coax and you are done.

 

 

Small Choke

This fits over RG58 and 8X easily and will slide on those size cables for easy placement after closing.   They have a separate flap for attachment with a tie wrap or tape. So you do not have to tape around the large choke then the coax.  One or two turns, of tape, over the flap and around the coax and you are done.

Although not recommended for this size coax, Personally I use these on my 9913  jumpers in my shack. It stretches to snap around and will not move.  If these are put on an RG8 sized cable that will move they will damage the cable or fall off.  

PRICE IS $2.00 each or $18/10

  Small choke shown with ruler for size reference

   Small choke shown on one of my 9913 super flex jumpers

   Small choke shown on RG8X

   Pull down tape / Tie wrap Tab

Small choke Dimensions: 

ID= .382 (.98cm) 

OD= .909 (2.33cm) 

Length = .495 (1.27cm)

LARGE choke

This fits around any of the commonly used cables and will slide for easy placement.  I also use them for headphone and power supply cable chokes.  Several turns (wraps) of the wires can be made prior to closing.  It shortens the cords to the needed length and works as a RF block at the same time. If you need to lengthen the cables later, you can open the choke unwrap a few turns and close it again.

    I personally use these on my headphone cables, I no longer get the hash in my ears while transmitting with my amp.  As well any AC or DC power cord I need to shorten and all my moving larger coax cables.   If it is outside these go on it because it is going to flex and move with the sun and wind. On small or large coax it fits and attaches to the rear of a standard PL259 connector, shown in photo below.

PRICE IS $2.50 each or $23/10

  Large choke shown with ruler for size reference

  Large choke shown used on a DC power cord.

   Large choke on a PL259, this would be installed after the connector was tightened.

   Pull down tape / Tie wrap Tab

Large choke Dimensions: 

ID= .566 (1.45cm) 

OD=  1.08 (2.78cm) 

Length = .566 (1.45cm)

 

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Send mail to Tim Brown with questions or comments about this web site. Copyright NM3E.com, LLC 2003-2006
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BIRD® and Thruline® are registered trademarks of BIRD® Electronic Corporation, 30303 Aurora Rd.  Solon, OH 41139......http://www.bird-electronic.com 
Last modified: 07/21/08