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BIRD 43 Thruline® Wattmeter
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Measures both forward and reflected CW power in 50W coaxial transmission lines. Low VSWR and insertion loss, ± 5% of full scale accuracy. Plug-in elements provide a wide choice of frequency ranges from 2 to 1000 MHz and power levels from 1W to 10KW. Select one or more elements to suit your requirements. Comes with your choice of SO-239 or Type-N connectors. Other Quick Change connectors available. Size: 6 7/8”h x 5 1/2”w x 3 5/8”d; Weight: 4.5 lbs. (CC-3 case shown.)
Bird 43 Accessories:
Bird 43 Elements
7/8" Standard Elements
Cases
Quick-Change Connectors
Peak Power Modification Kit
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| Model Number |
Description |
Price Ea. |
Bird 43 UHF |
Bird Model 43 with SO-239 UHF Female Connectors. |
$348.00 |
Bird 43 N |
Bird Model 43 with Type N Female Connector. |
$348.00 |
Bird 43P–N |
Bird Model 43 CW / Peak Wattmeter with Type N Connector. |
$573.00 |
Bird 43P–UHF |
Bird Model 43 with additional CW/P.E.P. capabilty, type SO-239 connector. |
$573.00 |
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BIRD 4304A Wattmeter
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Covers all power ranges required for measurement of all two-way communications systems.
25-1000 MHz, with one broadband, locked-in-place element calibrated to the instrument. 5-500 watt, selectable scales: 4, 15, 50, 150, 500w (150w max, 800-1000 MHz).
Similar to Model 43, with UHF connectors. Other connectors available using Bird Quick Change or Unidapt system.
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| Model Number |
Description |
Price Ea. |
Bird 4304A |
25-1000 MHz, with one element (included) 5-500 watts, selectable scales 5, 15, 50, 150, 500w (150w max, 800-1000 MHz). Similar to Model 43, with SO-239 or Type N connectors (please specify). |
$647.00 |
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BIRD 4308 Wattmeter
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Dedicated UHF/Cellular/Trunking Wattmeter
440-960 MHz, two-way / trunking / cellular.
1.5-50 watts, selectable scales 1.5, 5, 15, 50 watts included.
Connectors: TNC female. Other connectors available using Bird Quick Change or Unidapt system. |
| Model Number |
Description |
Price Ea. |
Model 4308 |
440-960 MHz, two-way/trunking/cellular. 1.5-50 watts, selectable scales 1.5, 5, 15, 50 watts included. Connectors; TNC female. Other connectors available using Bird Quick Change or Unidapt system. |
$781.00 |
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BIRD 4305A High Power Wattmeter
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In order to maintain rated accuracy, High Power Broadcast/Communications Wattmeters should be ordered with all desired elements at the same time. Elements must be calibrated to the individual meter. RF Parts can provide custom meter/element combinations on special order. Contact us for further information.
| Power Range: |
50W to 25kW using Bird Plug-in Elements** |
| Frequency Range: |
450 kHz to 2.3 GHz (depending on element) |
| Insertion VSWR: |
with N connectors 1.05 max. |
| Accuracy: |
±5% of full scale. |
| Connectors: |
QC Type (Female N normally supplied) |
| Finish: |
Light Navy gray baked enamel (MIL-E-15090) |
| Nominal Size: |
(includes connectors) 6-13/16"H x 5"W x 4-9/32"D |
| Weight: |
4.5 lbs. |
| Recommended Accessories: |
Case, extra QC connectors |
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Use elements from table below only. Elements Sold Separately. Elements for Bird 43 are not compatible.
Part Number: 4305A • Special Order • $940.00
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| Standard Elements for Bird 4305A Meter |
| Frequency Bands (MHz) |
Power
Range |
2-30 |
25-60 |
50-125 |
100-250 |
200-500 |
400-1000 |
| 100 W |
— |
100A12 |
100B12 |
100C12 |
100D12 |
100E12 |
| 250 W |
— |
250A12 |
250B12 |
250C12 |
250D12 |
250E12 |
| 500 W |
500H12 |
500A12 |
500B12 |
500C12 |
500D12 |
500E12 |
| 1000 W |
1000H12 |
1000A12 |
1000B12 |
1000C12 |
1000D12 |
1000E12 |
| 2500 W |
2500H12 |
2500A12 |
2500B12 |
2500C12 |
2500D12 |
2500E12 |
| 5000 W |
5000H12 |
5000A12 |
5000B12 |
5000C12 |
5000D12 |
5000E12 |
| 10 kW |
10KH12 |
10KA12 |
10KB12 |
10KC12 |
— |
— |
| 25 kW |
25KH12 |
25KA12 |
25KB12 |
— |
— |
— |
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Bird 4391A RF Directional Wattmeter
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The ruggedly built, multifunction Model 4391A RF Power Analyst features a digital display, microprocessor-based operation, and simplified, push-button control. This wattmeter is well suited to C3, telemetry, two-way communications, avionics and radar, as well as standard radio and television applications.
• Frequency: 0.45 to 2700 MHz.
• Power: 100 mW to 10 kW with 20% over-range.
• Reads forward and reflected CW or FM power in watts or dBm, Peak Envelope Power or SSB/DSB and symmetrical AM in watts, and peak power for pulses as narrow as 0.8 .
• Calculates SWR, return loss in dB and % modulation.
• Stores peak and multi readings to facilitate adjustment of maximum and minimum signal levels.
• Shock-resistant keyboard and range switches. RFI protection. Built-in international power supply/charger.
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| Power Range: |
100mW to 10kW using Bird Plug-in Elements |
| Frequency Range: |
450 kHz to 2.7 GHz |
| Insertion VSWR: |
with N connectors 1.05 max to 1000 MHz |
| Accuracy: |
Power Readings: |
±5% of full scale CW ±8% PEP; |
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VSWR: |
10% of reading |
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Modulation: |
(CW power 1/3 or more of full scale) ±5% (0-90%) ±10% (90-100%) |
| Usable Over-range: |
to 120% of scale (CW, PEP, SWR and Return Loss) |
| Sampling Rate: |
2 to 3 readings per second |
| Display: |
3 1/2 digit, 0.3" LED strobed |
| Modulation Frequency: |
25 to 10,000 Hz (audio) |
| Pulse Parameters: |
(min.) Pulse width 0.8 s (100-2700 MHz) |
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1.5 s (26-99 MHz) |
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15 s (2-25 MHz) |
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Repetition Rate 25 PPS, and Duty Factor 1 x 10-4 min. |
| Return Loss: |
±3% dB to correspnding SWR value |
| Battery Life: |
±8 hours (rechargeable) |
| AC Power: |
100-130/200-260 V, 50/60 Hz, 6 W |
| Connectors: |
QC Type (Female N normally supplied) |
| Nominal Size: |
(includes connectors) 9 9/16"L x 5 7/32"W x 4 5/16"H |
| Weight: |
5 3/4 lbs. |
Part Number: 4391A • $1760.00 ea.
Elements Sold Separately
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Bird 4410 Multipower Wattmeter
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BIRD 4410A Multipower Meter The 4410A high-sensitivity wattmeter is a solid choice for field-service applications where the greater dynamic range of the plug-in elements substantially reduce the number of elements needed to cover multiple power and frequency ranges. It is also well-suited to laboratory work where power levels as low as 2 milliwatts must be measured with high accuracy.
Each 4410A wattmeter plug-in element is capable of reading seven different power ranges cover 0.002 to 10,000 watts. The power ranges of the different elements overlap and include: 0.002–10 W, 0.02–100 W, 0.2–1000 W and 2–10,000 W. All ranges are in frequency bands from 200 KHz to 2300 MHz. Any one of the seven power ranges is selected by a rotary switch located on the front of the wattmeter. Forward and reflected power measurements are accomplished by rotating the element.
Exceptional ±5% of reading accuracy is achieved via a built-in temperature compensation circuit. This stated accuracy applies from 100% of full scale down to 20% of full scale across all seven ranges.
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| Power Range: |
2mW to 10 W, 20mW to 100 W, 200 mW to 1 kW or 2 W to 10 kW full scale in one single Plug-in Element. Any Bird series 4410 Element may be used. |
| Frequency Range: |
200 kHz to 2.3 GHz CW or FM |
| Insertion VSWR: |
with N connectors 1.25 max to 2300 MHz |
| Accuracy: |
±5% of reading for any reading above 20% of the Power Range selected for FM or CW signals without AM. This accuracy is maintained for a full 37 dB dynamic range with each 4410 Element (except # 4410-1 200 KHz–535 kHz which is accurage to ±10% of reading, and 4410-15 1.0–1.8 GHz and 4410-16 1.8–2.3 GHz which are accurate to ±8% of reading). |
| Ambient Temperature Range: |
Elements 4410-1 through -8, and -10 through -16 are temperature compensated for rated accuracy from 0°C to 50°C (32° to 122°F), and 4410-20 through 27 from 20°C to 30°C (68° to 86°F). |
| Over-Range Protection: |
To 120% of nominal full scale (i.e. 12 W, 120 W, 1,000 W, or 12,000 W). No damage or degradation to the unit will result, regardless of the Range Selector Switch position. |
| Battery Life: |
24 hours min. with standard 9V Alkaline “transistor” battery (NEDA No. 1604A supplied) |
| Connectors: |
QC Type (Female N normally supplied) |
| Nominal Size: |
(includes connectors) 6 7/8” H x 5 1/8” W x 3 5/8” D |
| Weight: |
3 lbs. |
Part Number: 4410A • $805.00 ea.
Elements Sold Separately
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| Standard Elements for Bird 4410 Meter |
Table 9 — Full-Scale Power and Frequency Ranges 0-100, 300 Milliwatts / 1, 3, 10, 30 Watts |
| MHz |
30-50 |
50-88 |
88-108 |
100-152 |
150-250 |
225-400 |
400-800 |
800-900 |
900-1000 |
Model
Price |
4410-20
$205.00 |
4410-21
$205.00 |
4410-27
$205.00 |
4410-22
$205.00 |
4410-23
$205.00 |
4410-24
$205.00 |
4410-25
$205.00 |
4410-26
$205.00 |
4410-28
$205.00 |
Table 9A — Full-Scale Power and Frequency Ranges 0-100, 300 Milliwatts / 1, 3, 10, 30 Watts |
| MHz |
864-868 |
917-970 |
Model
Price |
4410-38
$205.00 |
4410-29
$205.00 |
| Accuracy |
±10% of reading accuracy on 100 mW,
300mW and 1 W, ±5% on all other scales |
±5% 10 mW to 1 W only |
Table 10 — Full-Scale Power and Frequency Ranges 0-100, 300 Milliwatts / 1, 3, 10, 30 Watts |
| MHz |
25-80 |
50-125 |
100-250 |
200-500 |
400-1000 |
1000-1800 |
1800-2300 |
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Model
Price |
4410-10
$205.00 |
4410-11
$205.00 |
4410-12
$205.00 |
4410-13
$205.00 |
4410-14
$205.00 |
4410-15*
$287.00 |
4410-16*
$287.00 |
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Table 11 — Full-Scale Power and Frequency Ranges 0-1, 3, 10, 30, 100, 300, 1000 Watts |
| MHz |
2-30 |
25-80 |
50-200 |
144-520 |
200-1000 |
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Model
Price |
4410-3
$287.00 |
4410-5
$205.00 |
4410-6
$205.00 |
4410-7
$205.00 |
4410-8
$205.00 |
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Table 12 — Full-Scale Power and Frequency Ranges 0-10, 30, 100, 300, 1000, 3000, 10,000 Watts |
| MHz |
0.2-0.535 |
0.45-2.5 |
2-30 |
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Model
Price |
4410-1
$287.00 |
4410-2
$287.00 |
4410-4
$287.00 |
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*Accuracy is ±8% of reading |
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