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Meters > RF Power Meters > 4391A THRULINE® RF Directional Wattmeter Multifunction R by Bird

4391A THRULINE® RF Directional Wattmeter Multifunction R

Sale Price: $995.00
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Product Description & Specs

Bird 4391A THRULINE<sup>(R)</sup> RF Directional Wattmeter Multifunction RF Power Analyst

The ruggedly built, multifunction Bird 4391A RF POWER ANALYST<sup>(R)</sup> 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 of SSB/DSB and symmetrical AM in watts, and peak power for pulses as narrow as 0.8 ?s.

Calculates SWR, return loss in dB and % modulation

Stores peak and null readings to facilitate adjustment of maximum and minimum signal levels.

Shock-resistant keyboard and range switches. RFI protection.

Built-in international power supply/charger.


Power Range: 100 mW to 10 kW 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 Reading: ?5% of full scale CW, ?8% PEP; VSWR: ?10% of reading %

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: 31/2 digit, 0.3" LED strobed

Modulation Frequency: 25 to 10,000 Hz (Audio)

Pulse Parameters: (min.) Pulse width 0.8 ?s (100-2700 MHz), 1.5 ?s (26-99 MHz) and 15 ?s (2-25 MHz); Repetition Rate 25 PPS, and Duty Factor 1 x 10-4 min.

Return Loss: ?0.3 dB to corresponding SWR value

E-mail or call us at 800-582-8378 for more information.

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