The ACE since 7100 is equipped with an electrochemical sensor, as it is integrated in Polizeivortestgeraten. This sensor provides very precise test results with a maximum tolerance of ±0.05 per mille. The ACE since 7100, the authorities used alcohol test devices in any way. It can be taken at any time and to any place easily, since it into any shirt and trouser pocket. The surface is smooth, but still a sufficient grip and hold. The design of the ACE since 7100 is kept simple, on waste is avoided. It is easy, straightforward and clear. The use of the ACE since 7100 is due to the one-button operation is very easy. The alcohol tester can be used equally well from the right and link handed people can be controlled, because the start button is located on the front side and is easily accessible from both sides with the thumb. The size and brightly illuminated display allows you to test even with dark conditions.This text is machine translated.