New clothes builds fine house, detect formaldehyde.
The bedroom is sealed 12 hours, begin a test next.
In the test, time 3 minutes.
Check eventuate bedroom HCHO: 0.11mg/m3
Sequel detected again, sitting room and chest.
Ask: I see reality 4 screen, can you measure what?
Answer: Basically be formaldehyde, PM2.5
Ask: Allow to forbid?
Answer: Use professional and optical deferent response, laser is deferent detect.
The method with useful article
Precision is opposite at " normal lab detects " a few lower, it is OK that the family detects level of judgement formaldehyde chroma.
Official data: Formaldehyde measures range: 0-3.0mg/m3, resolution: 0.01mg/m3, precision: ± 5% .
For example: The formaldehyde of the bedroom is true chroma is the data that 0.5mg/m3, use Bolangtong checks is 0.475mg/m3 -- between 0.525mg/m3.
Ask: The detail that what notices is there when detecting?
Answer: Ahead of schedule 12 hours close door window.
Detect when formaldehyde, switch on the mobile phone below condition, long in environment of the good air outdoor by " start / stop " key 10 seconds, the detector undertakes formaldehyde automatically corrective at 0 o'clock. Beginning to detect next.
Left bolts to switch on the mobile phone
Long press on the right side of 10-15 second
After the voice that hears a drop, HCHO position shows calibration is medium, 3 minutes.
For example: I should check A/B/C 3 rooms, need the move that make.
Switch on the mobile phone (left) , long by 10-15 second (right) corrective, close machine (long by left) , switch on the mobile phone (left) , test room A
Switch on the mobile phone (left) , long by 10-15 second (right) corrective, close machine (long by left) , switch on the mobile phone (left) , test room B
Switch on the mobile phone (left) , long by 10-15 second (right) corrective, close machine (long by left) , switch on the mobile phone (left) , test room C
Ask: How do I judge a house as a result according to detecting whether does formaldehyde exceed bid?
Answer: Standard of indoor air quality (GB/T18883 - 2002) , formaldehyde HCHO is qualification for 0.10mg/m3.
Standard of indoor air quality (GB50325-2001) formaldehyde HCHO is Ⅰ kind 0.08mg/m3, Ⅱ kind 0.12mg/m3.
If be a family,detect, standard of quality of referenced and indoor air (GB/T18883 - 2002) , ahead of schedule 12 hours close door window. (the time that we stay on average in the home everyday is almost 12 hours)
The main harm of formaldehyde behaves the stimulative effect that is pair of skin mucous membrane, when formaldehyde reachs certain consistency indoors, the person has unwell feeling.
The formaldehyde chroma that is more than 0.08mg/m3 can cause jealous, eye guttural and urticant, unwell or ache, cracked, sneeze, bosom frowsty, asthma, dermatitis. The room formaldehyde content that new clothes repairs is higher, it is the main inducement of numerous disease.
If have not clear problem, can pay close attention to me, illicit letter leaves a message.
Recommend read a kitchen compositive catchment, a canal is done decide dishwasher, clean water implement, small hutch treasure, before buy filter
