Coaxial Dynamics 81000-A

Directional RF Wattmeter

The Coaxial Dynamics 81000-A wattmeter … now you can measure RF Power in 50-Ohm coaxial cable and transmission lines.

SKU: 102938



The Coaxial Dynamics Model 81000-A Wattmeter provides a reliable solution for measuring RF Power in 50-Ohm coaxial cable and transmission lines. With the ability to accept plug-in elements in the range of 100 mW to 10 kW full scale, and operating within the frequency range of 0.45 to 2300 MHz, the 81000-A offers versatile power measurement capabilities.

  • Shock Mounted “Taut Band” Meter:
    • Features a shock-mounted meter with superior taut band technology for reliable and accurate readings.
  • 4-1/2″ Mirrored Scale:
    • Utilizes a 4-1/2″ triple scale meter with a mirrored scale for easy and precise power measurements.
  • Quick Match Connectors:
    • Equipped with Quick Match RF connectors for efficient and reliable connections.
  • Internal 7/8″ Line Section:
    • Includes a built-in line section, enhancing convenience and speed in power measurement.
  • Uses Standard Gold Plated Plug-In Elements:
    • Accepts standard gold-plated plug-in elements for accurate power detection.
  • Two Year Limited Warranty:
    • Your confidence in the quality and dependability of the Model 81000-A Wattmeter is assured with the Coaxial Dynamics Two Year Limited Warranty.

The 81000-A is user-friendly; simply connect the wattmeter between the power source and antenna or dummy load, plug in the appropriate measuring element, and select forward or reflected direction. The RF power is then directly displayed on the 4-1/2″ triple scale meter.

Versatile and robust, the Model 81000-A can be used with accessory cables up to 200 feet from the meter and is protected by a rugged, virtually indestructible shock-proof housing. Two sockets on the back of the unit allow for the storage of additional elements.

The use of a rugged shock-mounted meter with a mirror-backed scale, along with superior taut band technology, provides reliable and accurate readings. It also satisfies both the US Navy and Canadian standards for bounce and vibration, ensuring complete accuracy.


  • Power Range: 100 mW to 10 kW
  • Frequency Range: 0.45 MHz to 2300 MHz
  • VSWR: 1.05:1 max. (with Type N connectors)
  • Accuracy: ±5% of full scale
  • Impedance: 50-Ohms
  • RF Connectors: Type N Female standard (Other Quick Match Connectors available)
  • Dimensions (H x W x D): 7.3 in. x 5 in. x 4 in.
  • Weight: 3.6 lbs.
  • Case Finish: Textured Blue Polyurethane Enamel

Note: Other Quick Match Connectors are available.