DigiTech QM-7300 User Manual

User Manual for QM-7300 Fuel Cell Digital Alcohol Analyzer

Thanks for purchasing our QM-7300 Breath Analyzer, a hand held High precision Fuel Cell Digital Alcohol Computer.
QM-7300 gives you a digital indication of your breath alcohol content and thus your possible concentration of intoxication.

Operation instructions

1) nstall the battery into the battery compartment. All segments turn on and then go to Alcohol mode (DAC). I
2 ) To begin, wash your mouth with water before using the unit. Abstain from sm oking or drinking for at least 20 minutes.

3) ress
4 ) Press

5) Press ▲ to activate REVIEW mode to browse the last 25 memories of alcohol result. ▲
6 ) Insert the provided blowing tube into the gas inlet.

7) Press the OK Key for approximately 2 seconds to activate sensor-warm-up pr ocess. “PH” flashes for few seconds and
then “READY” & ”BLOW” flash alternatively for about 60 seconds. User is required to perform the alcohol test within this

8) Blow continuously through the blow tube for approximately 5 seconds. Auto detect your breath sample (or press OK key
once) and stop blowing after you hear a ‘beep’ tone. ”DAC” flashes when analyzing the breath sample. Then an
increasing reading shows on the display. The final result will be shown together with three blinking “DAC”.

Hold

9) Memory readings: press ▲ key to recall the last 25 memories. If memories full, “MEMORY” flashes. Press and hold ▲
key for 1 sec and clear all memories. The “MEMORY” and “Clr” will flash. “----“shown on display means all memories are
being erased.

Enhanced feature instructions

10) In DAC mode, press

11) The analyzer will turn off automatically after 2 minutes.

▶ key once to change the unit of the alcohol concentration in Memory mode or REVIEW mode. P

◀ key for one second can turn on analyzer and press ◀ key for two seconds will turn off analyzer.

eriod. p

i. A measurement of less th an 0.005
ii. A measurement between 0.005%& 0.4%BAC will show its digital reading.
iii. A measurement above 0.4 % BAC, “HI” will show on the display.

Hold ▲▲ key for 1 sec to clear the memory readings in DAC mode.

key and OK key while install the battery into the battery compartment to change al cohol unit (‰ BAC,

▼▼

mg/L, % BAC. Press

▲ ▲

▲▲

oorr

▲▲

ttoo aaccttiivvaattee mmeemmoorryy RREEVVIIEEWW mmooddee.

key to scroll forward or backward the 25 memory readings

▼▼

%BAC will show “LO”

.

Page 1 FiT239-LC-09Y03555 (2009-08-03)

User Manual for QM-7300 Fuel Cell Digital Alcohol Analyzer

Alert Signals

QM-7300 is designed to alert user as following:
I) Low Level – “LO” will be shown on display if the concentration detected is less than 0.005%BAC.

II) Safety Level – For measurements between 0.005%BAC and Alert Level, the alcohol concentration level shows on

the display with backlight turn on.

IV) Alert Level – The analyzer beeps 30 times together with “HI” flashes alternatively. Red backlight flashes alternatively.

The LCD will keep the RED backlight.

DON’T DRIVE: You exceed the alert level

V) Exceed Level – For measurements higher than the alert concentration level, the analyzer beeps together with RED

backlight flashes for 20 seconds. The digital alcohol concentration reading displays on the screen. If
reading greater than 0.4%BAC, “HI” flashes together with RED backlight. Press any key can stop the
alert sound.

YOU ARE PROHIBITED TO DRIVE since you already exceed the alert level.

Note:

1) fter any 5 consecutive tests, allow the device to rest for 2 minutes.

A

2 )

When the product is unused, please store in a dry environment.

3 ) When battery energy not enough to do the alcohol testing, Please replace the batteries immediately.

) If the difference between two successive reading >0.01%BAC, user should test again. 4

5 ) During the breath sampling, user should NOT block the gas outlet. Otherwise, t he reading will be affected.

6) Recalibration: According to the international standard (e.g. DIN31051), all measurement instrument sho uld be

recalibrated every 6 months.

Battery Charge:

Step1. Please connect the USB cable to the socket of FiT239-LC, press the ◀ key for 3 seconds to turn on the machine and

activate battery charging.

Step2. When chargin g, the

It will take 4-5 hours to charge full. After charge full, the

will flashes.

Product Specifications:

1. Display Range:

2. Memory: 25 memories

3. Power Input: 3.7V Li-batteries

4. Display: Digital display with Bi-color backlighting

5. Power save: Auto OFF, 2 minutes after any key in

6. Breath sampling: About 5 seconds continuous breath sample

7. Cycle time: ~30 seconds

8. Dimensions: 125.7*63.2*27.8 mm

9. Weight: 85g (without batteries)

10. Alert level calibrated: 0.05%BAC

11. Agency Approval: CE

12. Accessories: 2 pcs blowing tubes

13. Operating temperature: -0℃ to +40℃

Low,0.005 ~ 0.4% BAC, Hi

The QM-7300 Digital Alcohol Computer should be used as a general guide to the level of alcohol in your body.

Many factors (e.g. environment gas residue, smoke & various smell in human mouth, etc…)
may affect the BAC level, so the Readings are For Reference Only.
Neither the reseller nor manufacturer accept any liability arising from the use of this unit

DDOO NNOOTT ddrriinnkk bbeeffoorree yyoouu ddrriivvee!

!

not flashes.

Specifications are subje ct to cha nge without notice

Made in China

Page 2 FiT239-LC-09Y03555 (2009-08-03)