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 of the more common ones are listed below.
Order # |
Model |
Range |
Power |
Price |
Order |
#1743 |
50H |
2- 30 MHz. |
50 Watts |
$189.95 |
 |
#1746 |
100H |
2- 30 MHz. |
100 Watts |
$189.95 |
 |
#1749 |
250H |
2- 30 MHz. |
250 Watts |
$189.95 |
 |
#1764 |
500H |
2- 30 MHz. |
500 Watts |
$189.95 |
 |
#1750 |
1000H |
2- 30 MHz. |
1000 Watts |
$189.95 |
 |
#1761 |
5000H |
2- 30 MHz. |
5000 Watts |
$289.95 |
 |
#3864 |
10000H |
2- 30 MHz. |
10000 Watts |
$289.95 |
 |
#3065 |
500B |
50-125 MHz. |
500 Watts |
$ 74.98 |
 |
#1736 |
25C |
100-250 MHz. |
25 Watts |
$ 94.95 |
 |
#1741 |
50C |
100-250 MHz. |
50 Watts |
$ 94.95 |
 |
#1744 |
100C |
100-250 MHz. |
100 Watts |
$ 94.95 |
 |
#1748 |
250C |
100-250 MHz. |
250 Watts |
$ 94.95 |
 |
#0243 |
500C |
100-250 MHz. |
500 Watts |
$ 94.95 |
 |
#1730 |
5D |
200-500 MHz. |
5 Watts |
$ 94.95 |
 |
#1742 |
50D |
200-500 MHz. |
50 Watts |
$ 94.95 |
 |
#0809 |
50E |
400-1000 MHz. |
50 Watts |
$ 94.95 |
 |
#1506 |
1000E |
400-1000 MHz. |
1000 Watts |
$ 94.95 |
 |
Order # |
Item |
Photo |
Description |
Price |
Order |
|
CC-1 |
 |
Protective carry case for THRULINE® 43 Wattmeter and six elements. Top-grade expandable vinyl that looks like leather. Elements not included. |
Discontinued |
#4480 |
CC-6 |
 |
Protective Pelican carry case for THRULINE® 43 Wattmeter and seven elements. Now includes Purge Valve. Elements are not included. |
$89.95 |
 |
|
EC-1 |
 |
Carry case for 12 elements features die-cut foam insert. Elements not included. |
Discontinued |
#2904 |
EC-1 NEW |
 |
Carry case for 12 elements. Black plastic with pressure valve. Elements not included. Click here for MORE INFO. |
$39.98 |
 |
#1752 |
4240-050 |
 |
Quick change connector. UHF Female |
$16.95 |
 |
#1753 |
4240-062 |
 |
Quick change connector. N Female |
$16.95 |
 |
#1715 |
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 |
$173.98 |
 |
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