The Bird Model 43 THRULINE® directional wattmeter is a portable insertion-type instrument for measuring forward and reflected power in coaxial transmission lines. It will accurately measure RF power under any load condition. Plug-in elements are available to fit your frequency and power needs. The more common ones are listed below.
The Bird Model 43 N is shown left with optional elements (sometimes called slugs). This model features female N connectors for input and output.
The plug-in elements (slugs) determine the power rating and frequency range of the Bird 43 wattmeter. A few common ones are listed below.
Special Note:
We no longer stock Bird meters, but we do have a few of the accessories listed below.
Order # |
Model |
Range |
Power |
Price |
Order |
|
50H |
2- 30 MHz. |
50 Watts |
Not in stock |
|
100H |
2- 30 MHz. |
100 Watts |
Not in stock |
|
250H |
2- 30 MHz. |
250 Watts |
Not in stock |
|
500H |
2- 30 MHz. |
500 Watts |
Not in stock |
|
1000H |
2- 30 MHz. |
1000 Watts |
Not in stock |
|
2500H |
2- 30 MHz. |
2500 Watts |
Not in stock |
|
100A |
25- 60 MHz. |
100 Watts |
Not in stock |
|
500B |
50-125 MHz. |
500 Watts |
Not in stock |
|
25C |
100-250 MHz. |
25 Watts |
Not in stock |
|
50C |
100-250 MHz. |
50 Watts |
Not in stock |
|
100C |
100-250 MHz. |
100 Watts |
Not in stock |
|
250C |
100-250 MHz. |
250 Watts |
Not in stock |
|
50D |
200-500 MHz. |
50 Watts |
Not in stock |
|
100E |
400-1000 MHz. |
100 Watts |
Not in stock |
Order # |
Item |
Photo |
Description |
Price |
Order |
|
EC-1 NEW |
 |
Carry case for 12 elements. Black plastic with pressure valve. Elements not included. Click here for MORE INFO. |
Not in stock |
#1752 |
4240-050 |
 |
Quick change connector. UHF Female |
$14.98 |
 |
|
4240-062 |
 |
Quick change connector. N Female |
Not in stock |
|
4300-400 |
 |
Peak Power Adapter Kit Installs in 15 minutes without soldering. Read true peak power at ± 8% of full scale accuracy. Requires two 9 volt batteries. VIEW |
Not in stock |
|