Bird 4391
| Attribute | Value |
|---|---|
| Frequency Range | 400 MHz - 1000 MHz |
| Power Range | 25 - 500 Watts |
| Connector Type | N-Type |
| Impedance | 50 Ohms |
| VSWR | 1.05:1 Maximum |
| Insertion Loss | 0.1 dB Maximum |
| Average Power | 500 Watts |
| Element Compatibility | Bird Thruline Elements |
| Operating Temperature | -65°F to +185°F (-54°C to +85°C) |
| Body Material | Aluminum |
| Model | 4391 |
|---|
The Bird 4391 is a precision RF wattmeter element designed for highly accurate power measurement across a wide frequency range. Built with durable and rugged materials, it delivers stable and repeatable performance in laboratory and demanding field environments. As part of Bird’s interchangeable system, it ensures seamless integration into compatible wattmeter housings.
With its precision and versatility, the Bird 4391 supports applications in telecommunications, aerospace, and broadcasting industries. Its robust build guarantees reliable results, even under continuous operation in challenging conditions.
Testwall can supply the used Bird 4391, 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 4391.
