RFWattmeter™
The RFWattmeter™ will operate from 100 kHz to 10 MHz up to 2,000 Watts full scale. The RFWattmeter™ comes in a small plastic enclosure with RF input and output connectors, a DC power connector, USB connector, and three analog output connectors for direct access to measurement signals.
RFWattmeter Selection Matrix
| Model | USB Interface | Power Scale ( Watts ) |
Resolution ( Watts ) |
Calibration Point ( Watts ) |
|---|---|---|---|---|
| 21B | 0-200 | 0.025 | 20 | |
| 22B | 0-2,000 | 0.25 | 200 | |
| 23B | ✔ | 0-200 | 0.025 | 20 |
| 24B | ✔ | 0-2,000 | 0.25 | 200 |
Universal Technical Specifications
- Analog signal output: Average power, voltage and current
- Screen output data: Average power (P), voltage (V), current (I), impedance magnitude (Z) and phase angle (A)
- Sample rate: 8-64 Samples/second (up to 800 Samples/second with custom software)
- Loss through meter: <0.01 dB at 50 Ω
- Calibration point: 20 Watts into 50 Ω at 2.5 MHz on 200 W Range; 200 Watts into 50 Ω at 2.5 MHz on 2,000 W Range
- RF connectors: BNC(f) Input and Output
- Load impedance: 50 Ω (nom.), 10 – 250 Ω OK
- Power supply: Wall Wart AC adapter, 100-240 VAC 50-60 Hz input, 6 VDC output (supplied with meter)
- Frequency: 100 kHz to 10 MHz (other frequencies available upon request)
- *Battery powered optional
Optional Advanced & Detailed Calibration
Calibration is performed using an absorptive power meter as a reference standard. The provided test report will include plots of the RFWattmeter’s frequency response and power linearity.
Reference meter
Agilent/HP EPM-441A RF Power Meter
Agilent/HP 8482H RF power sensor, calibrated 0.1 MHz – 4.2 GHz
Bird model 8322 RF attenuator 200 Watts continuous, 30 dB, 50 Ω