Ace X Operating Manual Download Page 2

This way you receive results that are as accurate 

as possible:

a)  Wait at least 15 minutes after your last sip of alcohol. 

Do not eat, drink or smoke during that time.

b)  Do not open the casing.

c)   Do not keep the breathalyzer in cold, hot, moist or 

badly ventilated places.

d) Keep the breathalyzer out of the reach of children.

e)  Conduct three inlet tests after long storage before 

conducting the actual alcohol test.

f)   Do not drop the breathalyzer.

g)  Change the battery if it is depleted. Diminished 

battery capacity leads to incorrect test results.

h)  Do not conduct tests in loud (sound waves disrupt 

the sensor), drafty or poorly ventilated places.

i)   After a test result of 0.100% BAC (% BAC = basic 

setting) or higher the sensor needs rest time. In this 

case wait at least three minutes before the next test.

j)   Do not conduct tests in very cold, very hot or an 

unventilated, smoky ambience.

k)  Store the breathalyzer in a way to avoid penetration 

by dust or liquids.

l)   Blowing too hard may cause damage to the sensor 

as saliva flows into it.

ACE 

Breathalyzer

Operating Manual

Thank you for purchasing our ACE X Breathalyzer. 

It measures the alcohol concentration in human 

breath using a digital fuel cell sensor and calculates 

the blood alcohol level. The device must only be used 

pursuant to the instructions mentioned in this manual. 

In case of any questions you may contact the distribu-

tor (ACE) by email to [email protected],

www.ace-instruments.net

Short description:

The ACE X Breathalyzer is a fuel cell alcohol testing 

device, which can be operated by only one button and 

shows reliable test results in % BAC (default setting). 

The legal limit in the USA is 0.08% BAC (status: Oct 

2016). You can interprete the test result this way: e.g. 

the display shows 0.03 = 0.030% BAC. Tests can be 

done in an active and a passive mode (see chapter 

“Conducting the measurement”). 

To maintain the measurement accuracy of this  

breathalyzer it should be calibrated regularely.  

For a calibration service you can send the device  

to ACE Instruments (see www.ace-instruments.net). 

For each breath test a new mouthpiece is required. 

Mouthpiece slot

Flexible numeric display
Power button

Sliding battery cover on the 

back (to open the cover first 

push it up and then sideways) 

Air outlet (always keep this 

part unblocked)

Label of individual components: 

Scope of delivery:

  1 Digital fuel cell ACE X Breathalyzer 

(3 decimals after white dot on the display)

  1 Soft case

  5 mouthpieces

   2 pieces AAA batteries  

(1.5V, LR03, Alkaline), already inside the device

  1 Operating Manual

  1 Quick Start Guide

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