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RF Power Sensors
±3% Accuracy
CW

For over three decades, Bird’s 4020 RF Power Sensor families have set the benchmark for practical reliability and everyday RF power measurement.

Supporting continuous wave (CW) signals, the 4020 Series achieves ±3% of reading accuracy  ensuring reliable, cost-effective RF power measurements—ideal for routine checks, field service, and general-purpose monitoring in semiconductor fabs and RF systems.

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Three Decades of Precision

For over three decades, Bird’s 4027 RF Power Sensor families have been the cornerstone of precision and reliability across multiple industries, including semiconductor, metrology, military, and plasma-enhanced applications.

Engineered for laboratory and high-stakes processing applications, these sensors provide the RF data you need—reliably, repeatably, and with confidence.

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No Field Calibration Required

Saves time and reduces operational complexity, allowing engineers to focus on core tasks.

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±3% Accuracy of Reading

With ±3% accuracy, these sensors offer reliable performance for routine measurements and applications that do not require ultra-high precision.

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Compatible with Bird's 4421A Series Power Meters

Enables advanced graphing capabilities to visualize RF power measurements, simplifying data analysis and trend monitoring.

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NIST-Traceable Calibration

Each sensor is calibrated with full NIST traceability, ensuring measurement integrity and compliance for high-reliability applications in both R&D and production environments.

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Comparing the 4020 Series

Explore the key differences in Bird’s 4020 sensors to find the perfect fit for your continuous wave RF measurement needs.

Model Number
Frequency Range
Power Range
Accuracy
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1.8 MHz to 32 MHz
300 mW to 1 kW
±3.0% of reading
25 MHz to 1000 MHz
300 mW to 1 kW
±3.0% of reading
4023A3G Get Quote
800 MHz to 3 GHz
300 mW to 200 W
±3.0% of reading
1.5 MHz to 32 MHz
3 W to 10 kW
±3.0% of reading
100 kHz to 2.5 MHz
3 W to 10 kW
±3.0% of reading
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What’s at Stake?

Small measurement gaps can lead to big operational setbacks.

In RF systems, even routine measurements play a critical role in maintaining system uptime, process consistency, and equipment health. Without reliable RF data, it’s easy to miss early signs of drift, component failure, or misalignment—issues that can disrupt production, compromise quality, or require costly rework.

Bird’s 4020 Series sensors provide the confidence to catch problems early, perform fast, effective maintenance, and keep your tools running smoothly. Because in high-demand environments, dependable measurement isn't a luxury—it’s a safeguard.

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Precision RF Sensor FAQs

Have more questions? Get Expert Help>

What's the real difference between accuracy levels in my RF sensors?

How often should I calibrate my RF sensors?

Why is traceability important in RF power measurement?

Need a Recalibration?
We've Got You Covered.

Keeping your RF sensors accurate is simple with the Bird Service Center. Just use the link below - quick, simple, and handled by the experts who know your products the best. We'll get your sensor back in action fast, with the confidence you can count on.

In a hurry? Ask about our Expedited services.

 

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