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Thruline® RF Directional Wattmeters

MODEL 43

Portable Wattmeter

Power Range 100 mW to 10 kW using Bird Plug-in Elements.*
Frequency Range 450 kHz to 2.7 GHz (depending on element)
Insertion VSWR with N Connectors 1.05 max. to 1000 MHz
Accuracy ±5% of full scale
Connectors QC Type (Female N normally supplied)
Finish Light Gray powder coat
Nominal Size 6 7/8" H x 5 1/8" W x 3 5/8" D, (includes connectors) (175mm x 130mm x 92mm)
Weight 3 lbs. (1.4 kg)
Elements Tables 1, 2, 3, 3A, 4, 6.

Power Range 100 mW to 10 kW using Bird Plug-in Elements. *
Frequency Range 450 kHz to 2.7 GHz (depending on element)
Accuracy CW Mode: ±5% full scale, Peak mode: ±8% full scale
Modulation Normal voice audio; or (Peak Mode) Rectangular Pulses Duty cycle: 2% (min), Repetition rate: 100 pps (min), Pulse width: 200 µs (min)
Battery Life 48 hours typical
Weight Adds 1 lb. to Model 43

VARIABLE RF TAP 4431
Portable Wattmeter

Power and 5 kW max. 2 to 30 MHz.
Frequency Range 1 kW max. 30 to 1000 MHz** using Bird Plug-in Elements*
Insertion VSWR with N Connectors 1.07 max.** to 1000 MHz.
Accuracy ±5% of full scale
Insertion Loss 0.1 dB max (2-512 MHz), 0.2 dB max (512-1000 MHz)*.
RF Sample Output Variable – 15 to – 70 dB from BNC (Female) port.
Connectors QC Type (Female N normally supplied).
Finish Gray powder coat.
Nominal Size 6 7/8" H x 5 1/8" W x 3 5/8" D, (includes connectors) (175 mm x 130 mm x 92 mm).
Weight 3 1/2 lbs. (1.6 kg).
Elements Tables 1, 2, 3, 3A, 4, 6 (page 33-34)
(within power/frequency range limits stated above).
Accessories Case

Portable Wattmeter
 

Power Range 100 mW to 10 kW using Bird Plug-in Elements. *
Frequency Range 450 kHz to 2.7 GHz (depending on element).
Insertion VSWR with N Connectors 1.05 max. to 1000 MHz.
Accuracy ±5% of full scale CW, ±8% PEP.
Pulse Parameters (min.) Pulse width 0.4 µs (100-300 MHz), 1.5 µs (26-99 MHz) and 15 µs (2-25 MHz); repetition rate 30 pps and duty factor 1 x 10¯4 min.
Battery Two 9-Volt alkaline transistor batteries.
Connectors QC Type (Female N normally supplied).
Finish Light Gray powder coat.
Nominal Size 6 7/8" H x 5 1/8" W x 3 5/8" D, (includes connectors) (175mm x 130mm x 92mm).
Weight 3 lbs. (1.4 kg).
Elements Tables 1, 2, 3, 3A, 4, 5, 6.
Accessories Case (page 39), spare batteries extra QC connectors.

HIGH-POWER WATTMETER 4305A — Portable Wattmeter

Power Range 50 W to 25 kW 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 Gray powder coat.
Nominal Size 6 5/16" H x 5 1/8" W x 4 1/4" D, (includes connectors) (161 mm x 131 mm x 108 mm).
Weight 3 1/4 lbs. (1.5 kg).
Elements 4305A and 1 5/8AA .
Accessories Case

MODEL 4304A FIXED 25-1000 MHz

Power Ranges 5, 15, 50, 150, 500 W, with no scale limitations except power limited to 150 W from 800–1000 MHz.
Frequency Range 25 MHz to 1.0 GHz.
Insertion VSWR 25–521 MHz, 1.05 max. (with UHF female conn.), 512–1000 MHz, 1.07 max.
Insertion Loss 25–512 MHz, 0.10 dB max with UHF female conn., 512–1000 MHz range, 0.13 dB max.
Accuracy 25–100 MHz, ±7% of full scale, using correction charts. 100–512 MHz, ±6 of full scale, no correction needed. 512–1000 MHz, ±7% of full scale, no correction needed.
Connectors QC Type (Female N normally supplied).
Finish Light Gray powder coat.
Nominal Size 6 7/8" H x 5 1/8" W x 3 5/8" D, (includes connectors) (175 mm x 130 mm x 92 mm).
Weight 3 lbs. (1.36 kg).
Accessories Case.

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