AT300シリーズ  
符号 AT353 AT343 AT343A AT303 AT303A
有効測定長 100 100 100 100 100
(単位:o) 150 150 150 150 150
  200 200 200 200 200
  250 250 250 250 250
  300 300 300 300 300
  350 350 350 350 350
  400 400 400 400 400
  450 450 450 450 450
  500 500 500 500 500
  600 600 600 600 600
  700 700 700 700 700
  750 750 750 750 750
  800 800 800 800 800
  900 900 900 900 900
  1,000 1,000 1,000 1,000 1,000
  1,100 1,100 1,100 1,100 1,100
  1,200 1,200 1,200 1,200 1,200
  1,300 1,300 1,300 1,300 1,300
  1,400 1,400 1,400 1,400 1,400
  1,500 1,500 1,500 1,500 1,500
  1,600 1,600 1,600 1,600 1,600
  1,700 1,700 1,700 1,700 1,700
  1,800 1,800 1,800 1,800 1,800
  2,000 2,000 2,000 2,000 2,000
  2,200 2,200 2,200 2,200 2,200
  2,400 2,400 2,400 2,400 2,400
  2,500 2,500 2,500 2,500 2,500
  2,600 2,600 2,600 2,600 2,600
  2,800 2,800 2,800 2,800 2,800
  3,000 3,000 3,000 3,000 3,000