Multifunctional Air Detector
User Manual
Be sure to carefully read this user manual regarding use and keep it for
future reference.
Page 1: ...Multifunctional Air Detector User Manual Be sure to carefully read this user manual regarding use and keep it for future reference...
Page 2: ...or technology with a built in fan to allow real time monitoring of formaldehyde HCHO total volatile organic compounds TVOC and PM2 5 on its digital LCD display Features 2 8 color liquid crystal displa...
Page 3: ......
Page 4: ...MEASURE AIR QUALITY 1 Charge device on receipt until battery level is at least half full before initial use Power on device to determine battery level Place device in a well ventilated area for 20 60...
Page 5: ...ration by referring to CALIBRATION procedure CALIBRATION Like all scientific instruments you can calibrate it initially or after long storage for greatest reproducibility and accuracy of results Calib...
Page 6: ...ng the device outside longer may be even better Place the device outside before proceeding further Generally outdoors is a clean environment with negligible formaldehyde and TVOC Do this procedure awa...
Page 7: ...r air which generally has negligible or near zero HCHO and TVOC One can think of calibration as zeroing a weight scale HCHO and TVOC are most commonly emitted by synthetic materials and accumulate ind...
Page 8: ...eadings can vary by magnitude of 10 or more on different days Anything from cooking to perfume to body odor near the device can cause large variations in the TVOC readings Think of the device as a ver...
Page 9: ...lead to higher TVOC concentrations and an elevated or 9 999 mg m3 reading as the device is sensitive and the human nose is often exposed to TVOC concentrations far greater than 10 mg m3 Do not be ala...
Page 10: ...borderline condition not qualified as Fresh but not meeting criteria for hazardous pollution 3 When formaldehyde HCHO density is greater than 0 300 mg m3 or PM2 5 is greater than 250 mcg m3 LCD screen...
Page 11: ...culate matter measuring 2 5 micrometers or less considered healthy unhealthy GOOD 0 0 12 0 g m3 MODERATE 12 1 35 4 UNHEALTHY FOR SENSITIVE GROUPS 35 5 55 4 UNHEALTHY 55 5 150 4 VERY UNHEALTHY 150 5 25...
Page 12: ...recommended level No absolute numbers can be attributed to certain hazard as they vary with each organic compound Even one s breath can cause a spike in TVOC levels but is not considered harmful Howe...
Page 13: ...me how to convert mg m3 to ppm for formaldehyde For formaldehyde At 760 mmHg and 20 C 1 ppm 1 249 mg m3 and 1 mg m3 0 801 ppm At 25 C 1 ppm 1 228 mg m3 and 1 mg m3 0 814 ppm Conversion factor from mg...
Page 14: ...O concentration Total Volatile Organic Compound TVOC and PM2 5 10 concentrations are displayed To access the Menu Interface press the center button labelled Pressing the center button again allows dow...
Page 15: ...toff Version for interface style Factory Settings to reset device and Time Setting to set the time and date Alarm Settings Default alarm threshold when alarm sounds is 0 10 mg m3 However the user can...
Page 16: ...o Menu Interface and Back to Overall Monitoring Interface HCHO TVOC PM2 5 Records You can view HCHO TVOC PM2 5 current record chart is for minutes and is for seconds elapsed IV HOW TO CHARGE This prod...
Page 17: ...ing can be achieved by charging device with micro USB cable while monitoring and setting OFF time for time period of 2 days found under System Settings within Menu interface Caution Do not disassemble...
Page 18: ...g Battery Capacity 2200mAh Lithium Battery Input 5 0V 800mA Charging Temperature 10 C 45 C Operation Environment Atmospheric Pressure 86Kpa 106Kpa Humidity Range 20 85 Working Temperature 10 C 45 C S...
Page 19: ...est Range 0 000 9 999 mg m3 Sampling Method Diffusion Type Concentration Unit mg m3 Sensor type electrochemical semiconductor sensor PM2 5 PM10 Tested particle diameter PM2 5 or 2 5 micrometer particl...
