AL3200 

ALCOSCAN AL3200 has a fast mode and normal mode.
People are tested by Fast mode first, then people who have a specific alcohol level or fail to pass a fast mode have to be tested by normal mode.
When fail to pass a fast mode, flashing light is working and people must test a normal mode by blowing into a device with a straw.
Also test result can be printed out so that Manager check out worker’s alcohol concentration.
It's been usually used in the Japanese transportation companies.