Bird® Model 43 RF Wattmeter

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Bird® Model 43 RF Wattmeter - The Industry Standard

The 43 Wattmeter is a field-proven portable, insertion-type instrument designed to measure both forward and reflected CW power in coaxial transmission lines under any load condition. With a full-scale accuracy of ± 5%, it accurately measures RF power with low added VSWR and insertion loss. QC (quick change) type connectors and a full range of plug-in elements provide a wide choice of frequency ranges and power levels giving the Model 43 amazing flexibility. Two extra elements can be stored in the housing, one on each side.

  • Accurate CW field power measurement over 450 kHz to 2.7 GHz and 100 mW to 10 kW
  • Uses industry standard Bird elements with space to store 2 additional within the meter housing
  • Rugged metal housing for the most demanding environments
  • Quick Change (QC) connectors to minimize the need for adapters when making critical measurements


  • Item No: 43
  • Item Name: General Purpose Wattmeter
  • Power Range: 100 mW to 10 kW (using Bird® Plug-in Elements)
  • Frequency Range: 450 kHz to 2.7 GHz (depending on element)
  • Insertion VSWR: 1.05 max. to 1000 MHz (with N Connectors)
  • Accuracy: ± 5% of full scale
  • Connectors: QC Type (Female N normally supplied)
  • Finish: Light Gray Powder Coat
  • Dimensions: (H x W x D) 6.88 in x 5.13 in x 3.63 in
  • Weight: 3 lbs. (1.4 kg)