RF Power Sensors
±2% Accuracy
CW

For over three decades, Bird’s 4028 RF Power Sensor families have set the benchmark for precision and reliability in the LCD, TFT, Solar and semiconductor industry.

Supporting continuous wave (CW) signals, the 4028 Series achieves ±2% accuracy at calibrated frequencies and power levels, ensuring precise measurements for high-power applications up to 50 kW.

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Long-Term Reliability

With a 30-year legacy as the industry standard for plasma-enhanced etching and deposition, these sensors offer dependable performance, minimizing downtime and maintenance costs.

NIST-Traceable Confidence

Calibration traceable to the National Institute of Standards and Technology (NIST) provides assurance in measurement integrity for calibrating RF generators in semiconductor tools—ensuring tight process control and repeatable results across production lines.

Built to Withstand Fab Environments

Rugged and reliable, these sensors are made to endure daily use in cleanroom and production environments without compromising accuracy—delivering lab-grade performance on the fab floor.

Three Decades of Precision

For over three decades, Bird’s 4028 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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±2.0% Accuracy at Calibrated Frequency and Power Level

Engineered for precision, the 4028 Series delivers ±2.0% accuracy of CW signals—giving engineers the confidence to qualify, verify, and monitor RF sources with traceable, repeatable results.

No Field Calibration Required

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

Compatible with Bird's 4421A Series Power Meters

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

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.

Comparing the 4028 Series

xx = input connector type, yy = output connector type.

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Model Number

4028A250K-xxyy Get Quote

250 kHz to 400 kHz

1 kW to 20 kW