The SIGNALCRAFTER 30 Automatic Computing SWR Power Meter is an advanced instrument designed for amateur radio enthusiasts and radio technicians to perform precise measurements of Standing Wave Ratio (SWR) and transmit power for their radio systems. This device, with its automated computing capabilities, provides an efficient and user-friendly solution for tuning and optimizing antennas.

Key Features:

  1. Automatic Calculations: The SIGNALCRAFTER 30 is equipped with advanced computing algorithms, allowing it to automatically perform SWR and transmit power measurements. This saves time and reduces the likelihood of human errors, enabling users to quickly and accurately tune their radio systems.
  2. Clear Display: The bright and easily readable display shows real-time SWR values and transmit power. This provides immediate feedback, allowing users to see the impact of adjustments to their antennas or transmitting equipment.
  3. Frequency Range: The SIGNALCRAFTER 30 supports a broad frequency range, making it suitable for various amateur radio bands and communication protocols. This versatility makes it a valuable tool for different applications.
  4. Compact and Portable: With its compact design, the SIGNALCRAFTER 30 is easily portable, making it ideal for both fieldwork and use in the shack. The robust design ensures durability in various environments and situations.
  5. Simple Operation: The SIGNALCRAFTER 30 is designed for ease of use. With intuitive control buttons and a streamlined user interface, the instrument is accessible for both novice and experienced users.

This SWR Power Meter device is more than just a measuring tool; it is a valuable asset that enables amateur radio enthusiasts and radio technicians to optimize their radio systems for maximum efficiency and performance. The automatic computing functionality and user-friendly interface make the SIGNALCRAFTER 30 a reliable companion for anyone serious about amateur radio or radio communication.

Picture 3 illustrates the various ways in which the Model 30 can be connected into your coaxial transmission line. The line impedance can be 50-52 ohms or 75 ohms, depending upon the plug-in directional coupler selected. The frequency range and the power handling capability also are dependent upon the coupler selected. For example: The Model 30 equipped with the Model HF-231 Directional Coupler measures RF power up to 2000 watts on 52 ohm coax lines and covers the frequency range of 1.8 to 30 MHz. For 75 ohm lines, you would need the Model HF-231A Directional Coupler. If you have need for VHF as well as HF capability,  or more sensitivity in the HF range for QRP operation, please refer to the Signalcrafters catalog brochure covering the full line of Directional Couplers available for use with the Model 30. The Directional Coupler is not supplied with the Model 30 SWR/Power Meter because of the wide range of impedances, power ratings, and frequency of operation avaiable for your selection. Appropriate Directional Coupler should be selected at time of ordering from the Signalcrafters catalog of acessories.
One RF Directional Coupler may be plugged directly into the rear of the Model 30, or remote mounted if that is more convenient. Hi-Fi extension cables (not supplied) are widely available and are recommended for the remote mounting interconnections. The extension cables, of course, carry no RF power. With this arrangement it is a simple matter to set up an outboard switching system to obtain power readings using two or more Directional Couplers permanently installed in your various antenna coaxial lines, even if they are not all of the same impedance.
Always make certain that the transmitter and antenna coaxial lines are connected to the proper ends of the Directional Coupler and that any inter-connecting cables are
properly oriented. Otherwise the I Model 30 meter readings will be meaningless.