The RPK 43-4 and 4210A100 Meters, when combined with appropriate 7/8" line section, QC connectors and elements, enable you to assemble custom rack mount or benchtop wattmeters. The RPK 43-4 is the same 3-1/2" diameter unit used in the Bird model 43 wattmeter. The 4210A100 is 3-1/4" square meter premounted in an aluminum case.
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