Description
The Nissei RX-103 SWR Power Meter (1.6–60MHz, 2KW) – RF Wattmeter is a professional high-power RF measurement instrument designed for accurate monitoring of Standing Wave Ratio (SWR), Forward Power, and Reflected Power across HF communication systems. Engineered for radio operators, communication professionals, and RF testing environments, this wattmeter helps optimize antenna performance and maintain efficient transmission.
Supporting a frequency range of 1.6–60 MHz, the RX-103 covers all HF bands including the 6-meter band, making it suitable for a wide range of amateur radio and communication applications. Designed with three selectable power ranges (20W / 200W / 2KW), the meter provides flexible measurement capability for both low-power and high-power RF systems.
One of its standout features is the cross-needle meter design, allowing users to simultaneously view Forward Power, Reflected Power, and SWR without requiring manual calibration. This enables faster and more efficient antenna adjustment and RF performance analysis.
The RX-103 also supports switchable Average Power and PEP (Peak Envelope Power) modes, making it suitable for both SSB and AM communication measurements. Whether monitoring continuous transmission or peak signal performance, the meter provides dependable results.
Built with low insertion loss technology, the RX-103 can remain permanently installed inline within the RF system without causing noticeable signal reduction. For enhanced visibility during operation, the device includes an illuminated display with a 13.8V DC cable, allowing clear readings in various lighting conditions.
This RF wattmeter is designed to help reduce reflected power, improve antenna matching, and maximize communication efficiency across demanding RF environments.
Technical Specifications
- Model: Nissei RX-103
- Frequency Range: 1.6–60 MHz (Covers all HF Bands + 6 Meters)
- Power Scales: 20W / 200W / 2KW (Selectable)
- Maximum Power Handling: 2KW
- Measurement Functions: Forward Power / Reflected Power / SWR
- Meter Type: Cross-Needle Analog Display
- Power Modes: Average Power / PEP (Peak Envelope Power)
- Display Lighting: Illuminated display with 13.8V DC cable
- Insertion Loss: Low insertion loss design for permanent inline installation
Key Features
- Wide 1.6–60 MHz HF frequency coverage
- Three selectable power ranges: 20W, 200W, and 2KW
- Cross-needle display for simultaneous measurement
- Supports SSB and AM power monitoring
- Average and PEP measurement modes
- Low insertion loss for efficient RF performance
- Backlit illuminated display for improved readability
- Ideal for antenna tuning and communication testing
Applications
- HF communication systems
- Amateur (Ham) radio operation
- Antenna tuning and SWR monitoring
- High-power RF transmission testing
- Communication equipment setup and maintenance
- RF performance analysis and optimization
- Forward and reflected power measurement
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