def meter_table(meters, range)
      content_tag(:table, border: 1) do
        concat meter_header(range)
        meters.keys.sort.each do |name|
          concat meter_row(meters, range, name)
        end
      end
    end
def meter_table(meters, range)
      content_tag(:table, border: 1) do
        concat meter_header(range)
        meters.keys.sort.each do |name|
          concat meter_row(meters, range, name)
        end
      end
    end
Returns an HTML table