Professional HCHO/TVOC Tester formaldehyde With tri-color Indicator light Air Quality Monitor Gas Detector Analyzer | Инструменты

Professional HCHO/TVOC Tester formaldehyde Tester With tri-color Indicator light  Air Quality Monitor Gas Detector Gas Analyzer

This product is mainly used to detect formaldehyde, benzene, etc.; thousands of digits, more accurate detection; with LCD screen, easy to read; three-color indicator with alarm function, can be used for accurate industrial testing, but also for the family Daily life.   Instructions: 1. Turn on the switch: the machine starts to warm up, and the LCD screen displays a countdown of 200 seconds; 2. Calibration: After the countdown is over, the instrument is calibrated. Move to the place where the outdoor air is fresh and let it stand for 8 minutes. Press and hold the key. When the green light flashes, immediately release the button, indicating that the calibration is completed, and then directly take it indoors. 3. Start detection: there is a 200 second countdown after power on, which means the detector is in the ready state; 4. End of testing: Shut down, put away the instrument and keep it in a safe place.  

Instructions for Use

 Green light is on Indicates good air quality;  Yellow light is on Indicates that the detected gas exceeds the standard, and it is recommended to open the window for ventilation;  Red light is on  Indicates that the detected gas is seriously exceeding the standard, and it is recommended to carry out comprehensive air treatment indoors;  Red light is flashing      Indicates that the detected gas has exceeded the detection range and it is recommended to leave the environment immediately.    TVOC concentration <0.1mg/m³;  Green light is on  TVOC concentration ≥0.1mg/m³ and <0.3mg/m³,  Yellow light is on  TVOC concentration ≥0.3mg/m³ and <3.888mg/m³,  Red light is on  TVOC concentration ≥3.888mg/m³  Red light is flashing    Formaldehyde concentration <0.1mg/m³;  Green light is on  Formaldehyde concentration ≥0.1mg/m³ and <0.3mg/m³,  Yellow light is on  Formaldehyde concentration ≥0.3mg/m³ and <2.0mg/m³,  Red light is on  Formaldehyde concentration ≥2.0mg/m³  Red light is flashing Name: Portable formaldehyde Detector Display mode: LCD liquid crystal backlight display Sampling method: diffusion acquisition Detection temperature: -10~40°C Storage temperature: -20~50°C Battery: 2xAA (2pcs alkaline battery) (not included) Working voltage: 2.4~3.2V Dimensions: 190*24.5mm Weight: 40g (without battery) Model: B03 Testing item: Formaldehyde / TVOC Detection principle: principle of semiconductor gas sensor Detection range: 0~3.888mg/m3 Resolution: Thousands of bits display