Description
The NISSEI SWR Power Meter RS-402 125–525 MHz 200W is a professional RF wattmeter engineered for accurate monitoring of Standing Wave Ratio (SWR), Forward Power, Reverse Power, and Peak Envelope Power (PEP) across VHF and UHF communication systems. Designed for communication professionals, antenna setup applications, and RF testing environments, this meter helps improve transmission efficiency and maintain stable signal performance.
Operating across a frequency range of 125–525 MHz, the RS-402 supports a wide range of VHF and UHF applications, making it suitable for radio communication systems, antenna tuning, repeater testing, and RF performance evaluation.
The meter supports a power measurement range of 0–200W and includes three selectable power scales (5W / 20W / 200W), allowing flexible and accurate monitoring for both low-power and higher-power communication equipment.
With an accuracy class of ±5%, the RS-402 provides dependable RF measurement performance. The integrated backlit analogue display offers clear readability in different operating environments, making power and SWR monitoring convenient and efficient.
Powered using DC 13.8V, the instrument is designed for stable operation and continuous RF monitoring. It measures Forward Power (FWD), Reverse Power (REV), Peak Envelope Power (PEP), and SWR, enabling users to evaluate transmission quality and optimize antenna matching.
Built with a standard 50 Ohm impedance, the RS-402 ensures compatibility with common RF communication and antenna systems. Its robust desktop form factor with dimensions of 190 × 85 × 135 mm makes it suitable for professional bench-top operation and routine RF measurement applications.
Specifications
- Model: NISSEI RS-402
- Frequency Range: 125–525 MHz
- Accuracy Class: ±5%
- Power Range: 0–200W
- Power Scale: 5W / 20W / 200W
- Display Type: Backlight Analogue Display
- Functions: Forward Power / Reverse Power / PEP / SWR
- Measuring Voltage: DC 13.8V
- Impedance: 50 Ohm
- Dimensions: 190 × 85 × 135 mm
Key Features
- Wide 125–525 MHz VHF/UHF frequency coverage
- 0–200W measurable power range
- Selectable power scales: 5W / 20W / 200W
- Measures Forward Power, Reverse Power, PEP & SWR
- Backlit analogue display for improved visibility
- ±5% measurement accuracy
- Operates on DC 13.8V
- Standard 50 Ohm RF compatibility
- Designed for antenna tuning and RF testing
Applications
- VHF and UHF communication systems
- Antenna tuning and SWR monitoring
- RF communication testing
- Base station setup and maintenance
- Signal transmission analysis
- Communication equipment testing
- Antenna and RF performance optimization
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