改装置由数台标准传感器（四涡街两涡轮）并联组成；为方便核查标准表的准确性，标准表处留有备用接口，以便用高精度的气体流量计来随时核查标准传感器的准确度以及校检小口径涡街传感器使用。该装置采用的是37kw高压离风机，为了稳定气源的流量和压力，该风机由一台变频器控制风机的转速，最大测量流量为5000m3/h。标准表前后直管段均采用前25D后10D的设计，满足了国家标准JB/T9294及检定规程JJG643的要求

   技术参数

 FLVJ-1.6-DN32,FLVJ-1.6-DN40
FLVJ-1.6-DN50,FLVJ-1.6-DN65,FLVJ-1.6-DN80,FLVJ-1.6-DN100,FLVJ-1.6-DN125
FLVJ-1.6-DN150,FLVJ-1.6-DN200,FLVJ-1.6-DN250,FLVJ-1.6-DN300,FLVJ-1.6-DN350
FLVJ-1.6-DN400,FLVJ-1.6-DN450,FLVJ-1.6-DN500,FLVJ-1.6-DN600
FLVJ-2.0-DN15,FLVJ-2.0-DN20,FLVJ-2.0-DN25,FLVJ-2.0-DN32,FLVJ-2.0-DN40
FLVJ-2.0-DN50,FLVJ-2.0-DN65,FLVJ-2.0-DN80,FLVJ-2.0-DN100,FLVJ-2.0-DN125
FLVJ-2.0-DN150,FLVJ-2.0-DN200,FLVJ-2.0-DN250,FLVJ-2.0-DN300,FLVJ-2.0-DN350
FLVJ-2.0-DN400,FLVJ-2.0-DN450,FLVJ-2.0-DN500,FLVJ-2.0-DN600
FLVJ-2.5-DN15,FLVJ-2.5-DN20,FLVJ-2.5-DN25,FLVJ-2.5-DN32,FLVJ-2.5-DN40
FLVJ-2.5-DN50,FLVJ-2.5-DN65,FLVJ-2.5-DN80,FLVJ-2.5-DN100,FLVJ-2.5-DN125
FLVJ-2.5-DN150,FLVJ-2.5-DN200,FLVJ-2.5-DN250,FLVJ-2.5-DN300,FLVJ-2.5-DN350
FLVJ-2.5-DN400,FLVJ-2.5-DN450,FLVJ-2.5-DN500,FLVJ-2.5-DN600
FLVJ-4.0-DN15,FLVJ-4.0-DN20,FLVJ-4.0-DN25,FLVJ-4.0-DN32,FLVJ-4.0-DN40
FLVJ-4.0-DN50,FLVJ-4.0-DN65,FLVJ-4.0-DN80,FLVJ-4.0-DN100,FLVJ-4.0-DN125
FLVJ-4.0-DN150,FLVJ-4.0-DN200,FLVJ-4.0-DN250,FLVJ-4.0-DN300,FLVJ-4.0-DN350
FLVJ-4.0-DN400,FLVJ-4.0-DN450,FLVJ-4.0-DN500,FLVJ-4.0-DN600
FLVJ-5.0-DN15,FLVJ-5.0-DN20,FLVJ-5.0-DN25,FLVJ-5.0-DN32,FLVJ-5.0-DN40
FLVJ-5.0-DN50,FLVJ-5.0-DN65,FLVJ-5.0-DN80,FLVJ-5.0-DN100,FLVJ-5.0-DN125
FLVJ-5.0-DN150,FLVJ-5.0-DN200,FLVJ-5.0-DN250,FLVJ-5.0-DN300,FLVJ-5.0-DN350
FLVJ-5.0-DN400,FLVJ-5.0-DN450,FLVJ-5.0-DN500,FLVJ-5.0-DN600
FLVJ-6.3-DN15,FLVJ-6.3-DN20,FLVJ-6.3-DN25,FLVJ-6.3-DN32,FLVJ-6.3-DN40
FLVJ-6.3-DN50,FLVJ-6.3-DN65,FLVJ-6.3-DN80,FLVJ-6.3-DN100,FLVJ-6.3-DN125
FLVJ-6.3-DN150,FLVJ-6.3-DN200,FLVJ-6.3-DN250,FLVJ-6.3-DN300,FLVJ-6.3-DN350
FLVJ-6.3-DN400,FLVJ-6.3-DN450,FLVJ-6.3-DN500,FLVJ-6.3-DN600
FLVJ-10.0-DN15,FLVJ-10.0-DN20,FLVJ-10.0-DN25,FLVJ-10.0-DN32,FLVJ-10.0-DN40
FLVJ-10.0-DN50,FLVJ-10.0-DN65,FLVJ-10.0-DN80,FLVJ-10.0-DN100,FLVJ-10.0-DN125
FLVJ-10.0-DN150,FLVJ-10.0-DN200,FLVJ-10.0-DN250,FLVJ-10.0-DN300,FLVJ-10.0-DN350
FLVJ-10.0-DN400,FLVJ-10.0-DN450,FLVJ-10.0-DN500,FLVJ-10.0-DN600