The Alcoscan ACE-5000 is an alcohol tester that's very similar to the Alco-Control-CA-2000. They are both equal in terms of accuracy.
The device measures results in the European standard (per thousand), making it different from the CA2000 that measures in percentage.
When compared to the ACE-3000/6000, the ACE-5000 is more accurate and equipped with more accessories (car adapter, etc.).
ACE recommendation: We recommend the Alcoscan ACE-5000 for SELF TEST PURPOSES and private use, and the ACE-3000/6000 for use at organizations or establishments.
The Alcoscan ACE-5000 includes mouthpieces and has aan accuracy of about +/- 10% at 1.00 per thousand.