Detection principle of alcohol detector: When a conductive oxide is exposed to the atmosphere, the number of electrons inside it will be reduced due to the adsorption of oxygen and its resistance will increase. Later, if there is a specific reducing gas in the atmosphere, it will react with the adsorbed oxygen, thereby increasing the number of electrons in the oxide, causing the resistance of the oxide to decrease. Semiconductor-oxide sensors analyze gas concentration through changes in resistance.
It is a highly reliable, high-precision, breath alcohol detector. Its core component uses a new high-tech micro-variable oxide semiconductor, which can accurately detect the alcohol content of gases and is not interfered by non-alcoholic gases such as cigarette smoke, cola, and coffee. Small, lightweight and easy to operate, it is the best choice for portable applications.
Technical indicators:
Sensor: Highly selective oxide semiconductor alcohol sensor
Dimensions
Weight in grams
Shell: Shockproof injection molded shell
Response time: seconds< br/>Warm-up time: seconds
Battery life: can be measured more than 3 times
Battery alkaline battery
External power supply: adapter
Accuracy:.
Detection range: . ~ .
Calibration: B analog device (Type 3/American laboratory)
Result display: digit display, blood alcohol concentration
Warranty period: one year (or 3 times)
Origin: South Korea
Standard configuration:
Host
Alkaline battery
Adapter
A mouthpiece
Instruction manual
Rainproof carrying case/ Hand strap/shockproof injection molding box
How to operate the alcohol detector:
Press the power switch, the instrument will perform internal self-test and preheating, and display a countdown from to in seconds.
. When the timing is over, a sound prompt will sound, and the green light will turn on. At the same time, the yellow light in the middle will flash, indicating that the instrument is normal and testing can begin. , Aim the tube at the air inlet and blow for seconds. If alcohol is detected, the buzzer will alarm and the red and green lights will flash at the same time. After another second, the concentration data is displayed. If the concentration is between. and., only the green light flashes. If it is greater than or equal to., only the red light flashes, accompanied by a rapid sound alarm. The instrument display changes after the concentration data is maintained for seconds. (Note: Since the sensitivity is extremely high in this display mode, if there is a little bit of residual alcohol gas in the instrument, a tiny number will be displayed)
, If no alcohol is detected from the blowing or after 3 seconds of power on No detection is performed within the period, and the instrument display changes from .
When the instrument displays, the measurement needs to be restarted.
Notes:
It is prohibited to blow smoke into the air holes. Do not allow liquid to enter the air holes. Do not block the air holes.
. The yellow light on indicates that the power supply voltage is low and the battery needs to be replaced.
Usage Suggestions:
It is recommended that the test be done minutes after drinking. This is because it takes about minutes for alcohol to be absorbed into the blood through the digestive system, and it also takes about this long for the remaining alcohol in the mouth to dissipate.
Avoid testing in a windy environment or in a closed room with dirty air.
When the (low battery) light is on, it means that an alkaline battery needs to be replaced.
Do not blow cigarette smoke into the instrument, as this will damage the sensor. Please wait minutes after smoking before taking the test.
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Beijing Detaiyuan Safety Protection Technology Co., Ltd.
Wang Youcai
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CA2000 alcohol content detector