Bird

Bird 4391A

25 MHz to 1000 MHz Frequency Range
100 mW to 1000 W Power Range
Forward and Reflected Power Directional Power Measurement
Yes, calculated from forward and reflected power VSWR Measurement
Yes Return Loss Measurement
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Attribute Value
Frequency Range 25 MHz to 1000 MHz
Power Range 100 mW to 1000 W
Directional Power Measurement Forward and Reflected Power
VSWR Measurement Yes, calculated from forward and reflected power
Return Loss Measurement Yes
Connector Type Type N Female
Impedance 50 Ohms
Maximum Input Power 1000 W Continuous
Display Digital LCD Display
Power Requirements 9V Battery or External DC Power
Bird 4391A Options:
  • 4391A - 4380A-488 - IEEE-488 Bus Interface Unit
  • 4391A - 4380A-232 - RS-232 Bus Interface Unit
Calibration Form Bird 4391A

Repair Form Bird 4391A
Maximum file size: 40MB

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Model4391A

The Bird 4391A RF Wattmeter is a digital instrument engineered for precise RF power measurement, offering both forward and reflected power readings. Featuring a clear digital display and Bird’s renowned rugged design, it provides accurate real-time results across various applications. Its durable build ensures reliability in both laboratory and field environments, making it an essential tool for RF professionals.

Designed for versatile use, the Bird 4391A is ideal for bench testing as well as field measurements. Its intuitive interface allows fast and reliable operation, ensuring dependable performance in demanding conditions.

Testwall can supply the used Bird 4391A RF Wattmeter, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Bird 4391A RF Wattmeter.

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