Bird
Bird 4027A
350 MHz - 4 GHz Frequency Range
25 W - 500 W Power Range
50 Ohms Impedance
Type N Female Connector Type
1.2:1 VSWR Maximum

| Attribute | Value |
|---|---|
| Frequency Range | 350 MHz - 4 GHz |
| Power Range | 25 W - 500 W |
| Impedance | 50 Ohms |
| Connector Type | Type N Female |
| VSWR Maximum | 1.2:1 |
| Insertion Loss | 0.1 dB Maximum |
| Directivity | 27 dB Minimum |
| Coupling Factor | 40 dB Nominal |
| Operating Temperature | -30°C to +85°C |
| Power Sensor Compatibility | Compatible with Bird 5000-EX Series Power Sensors |
Bird 4027A Options:
- 4027A - 4027A250K - Frequency Range: 250 – 400 kHz, RF Power Range: 3 W – 10 kW
- 4027A - 4027A400K - Frequency Range: 400 – 550 kHz, RF Power Range: 3 W – 10 kW
- 4027A - 4027A800K - Frequency Range: 800 – 950 kHz, RF Power Range: 3 W – 10 kW
- 4027A - 4027A2M - Frequency Range: 1.5 – 2.5 MHz, RF Power Range: 3 W – 10 kW
- 4027A - 4027A4M - Frequency Range: 3 – 5 MHz, RF Power Range: 3 W – 10 kW
- 4027A - 4027A10M - Frequency Range: 10 – 15 MHz, RF Power Range: 3 W – 10 kW
- 4027A - 4027A12M - Frequency Range: 10 – 15 MHz, RF Power Range: 300 mW – 1 kW
- 4027A - 4027A25M - Frequency Range: 25 – 30 MHz, RF Power Range: 3 W – 9 kW
- 4027A - 4027A35M - Frequency Range: 35 – 45 MHz, RF Power Range: 3 W – 7.5 kW
- 4027A - 4027A60M - Frequency Range: 45 – 65 MHz, RF Power Range: 3 W – 6 kW
- 4027A - 4027A100M - Frequency Range: 95 – 105 MHz, RF Power Range: 3 W – 5 kW
- 4027A - 4027A150M - Frequency Range: 150 – 170 MHz, RF Power Range: 3 W – 4 kW
| Model | 4027A |
|---|
The Bird 4027A RF Power Sensor offers precise average and peak power measurement, ideal for laboratory and industrial use. Its wide dynamic range supports versatile RF applications, while the USB interface ensures seamless integration into modern test systems.
This sensor delivers laboratory-grade accuracy, ensuring consistent and reliable results across a variety of frequency bands. It is engineered to handle demanding RF measurement requirements with ease and precision.
Testwall can supply the used Bird 4027A, 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 4027A.




