MR997

General Introduction

MR997 breath alcohol tester is kind of tester designed to measure concentration result of the breathed alcohol in the human body. This device adopts advanced flat surfaced alcohol sensor which has excellent sensitivity and reproducibilitysfashional and portable design make it more convenient for personal use. When the alcohol content exceeds the preset limited level, this device would send an audio and video warming to remind your safety.

Usage method
Function definition

• When using for the first time, please prepare three 1.5V (AAA) dry batteries, remove the battery cover, install the battery cover, and then use the battery cover.
• Press the power button.
• “Preheat” 1-10 seconds, boot into the preheat countdown
  10 seconds, please wait for the preheat time.
• After the preheating is completed, it automatically enters the blow detection countdown for 6 seconds. Wait for test results to be displayed.
• Set display unit: After completing operation 2.3.4, if the display result appears within 5 seconds, double-click the button to switch to the next measurement display unit (such as% BAC – US g/1- European mg/l BrAC – Japanese mg/100ml China).
• Laser light switch: In the “preheating” stage of the startup state, press and hold the button for 3 seconds, and the voice prompt will be “Laser light on”,
  *, then click the button
  to turn off the laser light
  Look out
  The first time the breathalyzer is taken out of the package, or when it is not used for a long time, a large amount of gas and other impurities can attach to the sensor. In this case, you need to press the power button several times to clean the breathalyzer by preheating it.
  

Measure Measuring method: preheat

• Press and hold the power button for 2 seconds. After the drip* sound, the tester display will start.
• “Preheat” digital display, the screen countdown 10 seconds to start, countdown 0 preheat completed.