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A203B/UY/S530-A3 LED Array Lamp Datasheet - Yellow Diffused - 20mA - 2.0V - Takardar Fasaha ta Hausa

Cikakkiyar takardar bayanan fasaha don fitilar LED array A203B/UY/S530-A3. Ta ƙunshi siffofi, mafi girman ƙimar ƙididdiga, halayen lantarki da na gani, girmen fakitin, da jagororin sarrafawa.
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Murfin Takardar PDF - A203B/UY/S530-A3 LED Array Lamp Datasheet - Yellow Diffused - 20mA - 2.0V - Takardar Fasaha ta Hausa

1. Bayanin Samfur

A203B/UY/S530-A3 fitilar LED array ce mai ƙarancin wutar lantarki da ingantacciyar aiki, wadda aka ƙera da farko don amfani azaman nuna matsayi ko aiki a cikin kayan aikin lantarki da na'urori. Tsarin tsarinta ya ta'allaka ne akan samar da ingantaccen bayani na gani tare da ƙarancin amfani da wutar lantarki da kuma mafi girman sassauci ga injiniyoyi.

An gina samfurin azaman array, wanda ya haɗa fitilolin LED guda da yawa a cikin maɗaurin filastik ɗaya. Wannan hanya ta haɗaɗɗiyar tana sauƙaƙa aikin hawa akan allunan da'ira (PCBs) ko bangon waya, yana ba da damar ƙirƙirar tsarin nuna alama mai maki da yawa daga kayan aiki ɗaya. An ƙera array ɗin don yin stacking a tsaye da a kwance, yana ba da damar ƙirƙirar ƙananan gungu na alamomi ko siffofi na musamman don dacewa da buƙatun aikace-aikace na musamman.

Mahimman fa'idodi sun haɗa da bin ƙa'idodin muhalli da aminci na zamani. Samfurin ba shi da gubar (Pb-free), yana bin umarnin RoHS (Ƙuntata Abubuwa Masu Hatsari), yana bin ƙa'idodin EU REACH, kuma ya cika buƙatun rashin halogen tare da ƙayyadaddun iyaka akan abun ciki na Bromine (Br) da Chlorine (Cl) (Br<900 ppm, Cl<900 ppm, Br+Cl<1500 ppm). Wannan yana sa ya dace da amfani a cikin kasuwanni da yawa masu ƙa'idodin muhalli masu tsauri.

2. Sigogi da Ƙayyadaddun Fasaha

2.1 Zaɓin Na'ura da Tantancewa

Takamaiman lambar sashi da aka yi cikakken bayani a cikin wannan takarda ita ce 333-2UYD/S530-A3-L. Tana amfani da kayan guntu na AlGaInP (Aluminum Gallium Indium Phosphide) don samar da launin rawaya mai haske. Resin na waje shine Yellow Diffused, wanda ke taimakawa wajen faɗaɗa kusurwar kallo da kuma lafazin fitar da haske don ingantaccen gani.

2.2 Mafi Girman Ƙimar Ƙididdiga

Waɗannan ƙididdiga suna ayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan yanayin ba kuma ya kamata a guji su don ingantaccen aiki na dogon lokaci. Duk ƙididdiga an ƙayyade su a yanayin zafin muhalli (Ta) na 25°C.

2.3 Halayen Lantarki da Na Gani

Waɗannan su ne sigogin aiki na yau da kullun da aka auna a ƙarƙashin daidaitattun yanayin gwaji (Ta=25°C, IF=20mA sai dai idan an faɗi daban). Suna wakiltar aikin da ake tsammani na na'urar.

3. Bincike na Lanƙwasa Aiki

Takardar bayanan tana ba da lanƙwasa halaye da yawa waɗanda ke nuna halayen na'urar a ƙarƙashin yanayi daban-daban. Waɗannan suna da mahimmanci ga ƙirar da'ira da sarrafa zafi.

3.1 Dangantakar Ƙarfi da Tsawon Tsawon

Wannan lanƙwasa tana nuna rarraba bakan na hasken da aka fitar, wanda ya ta'allaka a kusa da madaidaicin tsawon tsawon kololuwar 591 nm tare da faɗin bakan 15 nm, yana tabbatar da fitarwar launin rawaya.

3.2 Tsarin Jagora

Wannan zane yana kwatanta rarraba haske a sarari, yana nuna madaidaicin kusurwar dubawa na digiri 30 inda ƙarfin ya faɗi zuwa 50% na ƙimar sa akan-axis.

3.3 Gaba da Halin Yanzu da Gaba da Ƙarfin Ƙarfi (Lanƙwasa I-V)

Wannan lanƙwasa ta asali tana nuna alaƙar haɓaka tsakanin halin yanzu da ƙarfin lantarki don diode. Ga wannan LED, a madaidaicin halin yanzu na aiki na 20 mA, ƙarfin lantarki na gaba yana kusan 2.0V. Lanƙwasa tana da mahimmanci ga ƙirar da'irar iyakance halin yanzu.

3.4 Dangantakar Ƙarfi da Gaba da Halin Yanzu

Wannan lanƙwasa tana nuna cewa fitarwar haske (ƙarfin haske) yana ƙaruwa tare da halin yanzu na gaba, amma dangantakar ba ta da cikakkiyar layi, musamman a manyan halayen yanzu. Tana ba da bayani game da yanke shawara kan halin yanzu na tuƙi don matakan haske da ake so.

3.5 Lanƙwasa Dogaro da Zazzabi

Lanƙwasa biyu masu mahimmanci suna nuna tasirin yanayin zafin muhalli (Ta):
Dangantakar Ƙarfi da Yanayin Zafin Muhalli:Yana nuna cewa ƙarfin haske yakan ragu yayin da yanayin zafin muhalli ya ƙaru. Wannan wani muhimmin al'amari ne ga aikace-aikace a cikin yanayi mai zafi.
Gaba da Halin Yanzu da Yanayin Zafin Muhalli:Ana iya amfani da shi don fahimtar yadda halayen I-V ke canzawa tare da zafin jiki, wanda ke da mahimmanci ga ƙirar direban halin yanzu na akai-akai.

4. Bayanin Injiniya da Fakitin

4.1 Girmen Fakitin

Takardar bayanan ta haɗa da cikakken zanen girma na LED array A203B/UY/S530-A3. Muhimman ƙayyadaddun bayanai daga bayanan zanen sun haɗa da: duk girmen suna cikin millimeters (mm), tare da juzu'i na gabaɗaya na ±0.25 mm sai dai idan an ƙayyade daban. Ana auna tazarar jagora a wurin da jagororin suka fito daga jikin fakitin. Madaidaicin girma yana da mahimmanci ga ƙirar sawun PCB da kuma tabbatar da dacewa yayin haɗawa.

5. Jagororin Solder da Haɗawa

Sarrafa daidai yana da mahimmanci don kiyaye amincin na'ura da aiki.

5.1 Siffantar Jagora

5.2 Ajiya

5.3 Tsarin Solder

Dole ne a kiyaye mafi ƙarancin nisa na 3 mm tsakanin haɗin solder da kwan fitilar epoxy.

Solder na Hannu:Matsakaicin zafin ƙarshen ƙarfe 300°C (don ƙarfe 30W matsakaici). Matsakaicin lokacin solder kowane jagora shine dakika 3.
Tsoma (Wave) Solder:Matsakaicin zafin jiki na riga-kafi 100°C (na matsakaicin dakika 60). Matsakaicin zafin jiki na wanka na solder 260°C na matsakaicin dakika 5.
An ba da shawarar bayanin martabar zafin jiki na solder, yana mai da hankali kan mahimmancin sarrafa yawan dumama da sanyaya. Guji saurin sanyaya. Kada a yi solder (tsoma ko hannu) fiye da sau ɗaya. Guji damuwa ko girgiza a kan LED har sai ya dawo yanayin daki bayan solder.

5.4 Tsaftacewa

Idan tsaftacewa ya zama dole, yi amfani da barasa na isopropyl a yanayin daki ba fiye da minti ɗaya ba, sannan a bushe da iska. Ba a ba da shawarar tsaftacewa ta Ultrasonic kuma dole ne a riga an cancanta idan ya zama dole sosai, saboda yana iya lalata LED dangane da wutar lantarki da yanayin haɗawa.

5.5 Sarrafa Zafi

An ba da fifiko kan ingantaccen ƙirar zafi. Ya kamata a rage halin yanzu na aiki daidai gwargwado dangane da yanayin zafin muhalli na aikace-aikace da iyawar sarrafa zafi. Masu ƙira ya kamata su koma ga lanƙwasa rage ƙima (ana nufin, ko da yake ba a nuna su a fili a cikin abin da aka cire ba) don tabbatar da amincin dogon lokaci.

6. Bayanin Fakitin da Oda

6.1 Ƙayyadaddun Fakitin

An yi fakitin LED ɗin don hana fitar da lantarki (ESD) da lalacewar danshi.
Adadin Fakitin:
1. Guda 200 a kowace jakar hana lantarki.
2. Jakuna 4 a kowace akwati na ciki.
3. Akwatuna na ciki 10 a kowace babban akwati (waje).
Wannan ya zama jimillar guda 8,000 a kowace babban akwati.

6.2 Bayanin Alamar

Alamar fakitin ta haɗa da lambobi da yawa:
• CPN: Lambar Sashen Abokin Ciniki
• P/N: Lambar Sashen Masana'anta (misali, 333-2UYD/S530-A3-L)
• QTY: Yawa
• CAT: Matsayi ko rukuni na aiki
• HUE: Mafi Rinjaye Tsawon Tsawon
• REF: Bayanin tunani
• LOT No: Lambar kaya mai iya gano don sarrafa inganci

7. Bayanan Aikace-aikace da Abubuwan Ƙira

7.1 Aikace-aikace na Yau da Kullun

An ƙera wannan LED array azaman alamar nuna matsayi, digiri, yanayin aiki, ko matsayi a cikin kayan aikin lantarki daban-daban da allunan sarrafawa. Misalai sun haɗa da kayan aikin sauti, na'urori na gwaji da ma'auni, tsarin sarrafa masana'antu, da na'urorin lantarki na mabukaci inda ake buƙatar maki na alamomi da yawa, masu daidaitawa.

7.2 Abubuwan Ƙira na Da'ira

Resistan mai iyakance halin yanzu ya zama dole lokacin tuƙi LED daga tushen ƙarfin lantarki. Ana iya ƙididdige ƙimar resistor ta amfani da Dokar Ohm: R = (Vsupply- VF) / IF. Ta amfani da madaidaicin VFna 2.0V da IFda ake so na 20 mA daga wadataccen 5V: R = (5V - 2.0V) / 0.020A = 150 Ω. Ana yawan amfani da ƙimar da ta fi girma kaɗan (misali, 180 Ω) don gefe da kuma rage rushewar wutar lantarki. Don daidaitaccen haske a cikin bambance-bambancen wadataccen ƙarfin lantarki ko zafin jiki, ana ba da shawarar da'irar direban halin yanzu na akai-akai.

7.3 Abubuwan Ƙira na Zafi

Duk da yake na'urar tana da ƙarancin rushewar wutar lantarki (60 mW matsakaici), ingantaccen sarrafa zafi a cikin aikace-aikace yana da mahimmanci har yanzu don kiyaye ƙarfin haske da tsawon rai, musamman lokacin aiki kusa da matsakaicin halin yanzu ko a cikin yanayin zafi mai girma. Tabbatar cewa PCB yana ba da isassun taimako na zafi kuma a yi la'akari da tasirin abubuwan haɗin gwiwa masu samar da zafi.

7.4 Abubuwan Ƙira na Gani

Resin ɗin rawaya mai yaduwa yana ba da faɗaɗa kusurwar dubawa (digiri 30). Don aikace-aikacen da ke buƙatar ƙunƙuntaccen katako, ana iya amfani da ruwan tabarau na waje ko bututun haske. Fitarwar da aka yada tana taimakawa rage haske kuma tana haifar da bayyanar da ya fi dacewa, wanda ya dace da alamomin bangon gaba.

8. Kwatancen Fasaha da Bambance-bambance

A203B/UY/S530-A3 ya bambanta kansa ta hanyar tsarinsa na array. Idan aka kwatanta da amfani da LED ɗin da yawa masu hankali, wannan haɗaɗɗiyar array tana ba da fa'idodi masu mahimmanci:
Sauƙaƙe Haɗawa:Kayan aiki ɗaya yana maye gurbin sanya da ayyukan solder da yawa.
Ingantaccen Daidaituwa:LED ɗin da ke cikin array suna daga rukunin samarwa ɗaya, suna tabbatar da mafi kyawun daidaiton launi da haske.
Sassauci na Ƙira:Siffar da za a iya stacking tana ba da damar ƙirƙirar siffofi da alamu na alama na musamman ba tare da kayan aikin al'ada ba.
Ingantaccen Sararin Samaniya:Zai iya ba da damar shimfiɗar alamomi masu yawa fiye da yadda zai yiwu tare da abubuwan haɗin gwiwa masu hankali.
Bin ƙa'idodin RoHS, REACH, da ƙa'idodin rashin halogen shine tsammanin tushe na abubuwan haɗin gwiwa na zamani amma har yanzu wani muhimmin bambanci ne don siyarwa zuwa kasuwanni masu ƙa'ida.

9. Tambayoyin da ake yawan yi (FAQ)

Q: Menene bambanci tsakanin kololuwar tsawon tsawon da mafi rinjaye tsawon tsawon?
A: Kololuwar tsawon tsawon (λp) ita ce tsawon tsawon jiki inda fitarwar haske ta fi ƙarfi. Mafi rinjaye tsawon tsawon (λd) ƙimar ƙididdiga ce wacce ta dace da launin da idon ɗan adam ke gani. Ga LED masu launi guda ɗaya kamar wannan rawaya, yawanci suna kusa sosai (591 nm da 589 nm a nan).

Q: Shin zan iya tuƙi wannan LED a kololuwar halin yanzu na 60 mA akai-akai?
A: A'a. Kololuwar Gaba da Halin Yanzu (IFP) na 60 mA an ƙididdige shi ne kawai don aikin bugun jini a ƙaramin zagayowar aiki (1/10). Matsakaicin halin yanzu na ci gaba (IF) shine 25 mA. Wucewa da ƙimar ci gaba zai haifar da dumama da raguwa cikin sauri ko gazawa.

Q: Me yasa danshin ajiya yake da mahimmanci?
A> Fakitin LED na iya ɗaukar danshi. A lokacin babban tsarin solder na zafin jiki, wannan danshin da aka ɗauka zai iya zama tururi cikin sauri, yana haifar da rabuwa na ciki ko fashewa (\"popcorning\"). Ingantaccen ajiya yana sarrafa ɗaukar danshi.

Q: Ƙarfin lantarki na gaba yana da kewayon daga 1.7V zuwa 2.4V. Ta yaya wannan ke shafar ƙirar ta?
A: Wannan bambance-bambancen na al'ada ne saboda juzu'in masana'antu. Ya kamata a ƙera da'irar iyakance halin yanzu don sarrafa wannan kewayon. Yin amfani da direban halin yanzu na akai-akai maimakon resistor mai sauƙi zai tabbatar da daidaitaccen haske a duk raka'o'in, ba tare da la'akari da VF variation.

10. Misalin Aikace-aikace na Aiki

Yanayi: Ƙirƙirar alamar matsayi mai matakai da yawa don na'urar wutar lantarki.
Mai ƙira yana buƙatar nuna matsayi huɗu: Jiran aiki, Na al'ada, Gargadi, da Kuskure. Suna iya amfani da arrays A203B/UY/S530-A3 guda biyu da aka yi stacking a tsaye.
Shimfiɗar PCB:An ƙera sawun PCB bisa ga zanen girma na fakitin. An sanya masu iyakance halin yanzu huɗu (ɗaya ga kowane LED a cikin sashin array) a kusa. An ƙididdige ƙimar resistor don wadataccen dabaru na 3.3V, da nufin 15 mA kowane LED don isasshen haske da ƙarancin wutar lantarki: R = (3.3V - 2.0V) / 0.015A ≈ 87 Ω. An zaɓi resistor na yau da kullun 91 Ω.
Sarrafa Firmware:An haɗa fil ɗin GPIO huɗu daga microcontroller zuwa cathodes (ta hanyar resistors), tare da anodes da aka haɗa zuwa layin dogo na 3.3V. Firmware na iya haskaka LED ɗin guda ɗaya ko haɗuwa don wakiltar matsayi huɗu (misali, LED guda ɗaya don Jiran aiki, biyu don Na al'ada, uku don Gargadi, duka huɗu don Kuskure).
Haɗawa:An sanya arrays ɗin akan PCB bayan an yi solder sauran abubuwan haɗin gwiwa na SMD. Yayin solder na igiyar ruwa, an sarrafa bayanin martaba a hankali don kada ya wuce 260°C na dakika 5, yana mutunta ƙa'idar nisa na 3mm.
Wannan hanya tana haifar da tsaftataccen, daidaitaccen, da sauƙaƙaɗɗen sashin alama ta amfani da ƙaramin sararin allon da ƙididdigar abubuwan haɗin gwiwa.

Kalmomin Ƙayyadaddun LED

Cikakken bayanin kalmomin fasaha na LED

Aikin Hasken Wutar Lantarki

Kalma Naúrar/Wakilci Bayanin Sauri Me yasa yake da muhimmanci
Ingancin Hasken Wuta lm/W (lumen kowace watt) Fitowar haske kowace watt na wutar lantarki, mafi girma yana nufin mafi ingancin kuzari. Kai tsaye yana ƙayyade matakin ingancin kuzari da farashin wutar lantarki.
Gudun Hasken Wuta lm (lumen) Jimillar hasken da tushe ke fitarwa, ana kiransa "haske". Yana ƙayyade ko hasken yana da haske sosai.
Kusurwar Dubawa ° (digiri), misali 120° Kusurwar da ƙarfin haske ya ragu zuwa rabi, yana ƙayyade faɗin haske. Yana shafar kewar haskakawa da daidaito.
Zafin Launi (CCT) K (Kelvin), misali 2700K/6500K Zafi/sanyin haske, ƙananan ƙimomi rawaya/zafi, mafi girma fari/sanyi. Yana ƙayyade yanayin haskakawa da yanayin da suka dace.
CI / Ra Ba naúrar, 0–100 Ikon ba da launukan abubuwa daidai, Ra≥80 yana da kyau. Yana shafar sahihancin launi, ana amfani dashi a wurare masu buƙatu kamar shaguna, gidajen tarihi.
SDCM Matakan ellipse MacAdam, misali "5-mataki" Ma'aunin daidaiton launi, ƙananan matakai suna nufin mafi daidaiton launi. Yana tabbatar da daidaiton launi a cikin rukunin LED iri ɗaya.
Matsakaicin Tsawon Raɗaɗin Hasken nm (nanomita), misali 620nm (ja) Tsawon raɗaɗin haske daidai da launin LED masu launi. Yana ƙayyade launin ja, rawaya, kore LED masu launi ɗaya.
Rarraba Bakan Hasken Layin tsawon raɗaɗi da ƙarfi Yana nuna rarraba ƙarfi a cikin tsawon raɗaɗin haske. Yana shafar ba da launi da ingancin launi.

Ma'auni na Lantarki

Kalma Alamar Bayanin Sauri Abubuwan ƙira
Ƙarfin lantarki na gaba Vf Mafi ƙarancin ƙarfin lantarki don kunna LED, kamar "maƙallan farawa". Ƙarfin lantarki na injin dole ya zama ≥Vf, ƙarfin lantarki yana ƙara don LED a jere.
Ƙarfin lantarki na gaba If Ƙimar ƙarfin lantarki don aikin LED na yau da kullun. Yawanci tuƙi mai ƙarfi akai-akai, ƙarfin lantarki yana ƙayyade haske da tsawon rai.
Matsakaicin Ƙarfin lantarki na bugun jini Ifp Matsakaicin ƙarfin lantarki mai jurewa na ɗan lokaci, ana amfani dashi don duhu ko walƙiya. Fadin bugun jini da sake zagayowar aiki dole ne a sarrafa su sosai don guje wa lalacewa.
Ƙarfin lantarki na baya Vr Matsakaicin ƙarfin lantarki na baya da LED zai iya jurewa, wanda ya wuce zai iya haifar da rushewa. Dangane dole ne ya hana haɗin baya ko ƙarfin lantarki.
Juriya na zafi Rth (°C/W) Juriya ga canja wurin zafi daga guntu zuwa solder, ƙasa yana da kyau. Babban juriya na zafi yana buƙatar zubar da zafi mai ƙarfi.
Rigakafin ESD V (HBM), misali 1000V Ikon jurewa zubar da wutar lantarki, mafi girma yana nufin ƙasa mai rauni. Ana buƙatar matakan hana wutar lantarki a cikin samarwa, musamman ga LED masu hankali.

Gudanar da Zafi & Amincewa

Kalma Ma'aunin maɓalli Bayanin Sauri Tasiri
Zazzabin Haɗin gwiwa Tj (°C) Ainihin yanayin aiki a cikin guntun LED. Kowane raguwa 10°C na iya ninka tsawon rai; yayi yawa yana haifar da lalacewar haske, canjin launi.
Ragewar Lumen L70 / L80 (sa'o'i) Lokacin da haske ya ragu zuwa 70% ko 80% na farko. Kai tsaye yana ayyana "tsawon sabis" na LED.
Kula da Lumen % (misali 70%) Kashi na hasken da aka riƙe bayan lokaci. Yana nuna riƙon haske akan amfani na dogon lokaci.
Canjin Launi Δu′v′ ko ellipse MacAdam Matsakaicin canjin launi yayin amfani. Yana shafar daidaiton launi a cikin yanayin haskakawa.
Tsufa na Zafi Lalacewar kayan aiki Lalacewa saboda yanayin zafi na dogon lokaci. Zai iya haifar da raguwar haske, canjin launi, ko gazawar buɗe kewaye.

Tufafi & Kayan Aiki

Kalma Nau'ikan gama gari Bayanin Sauri Siffofi & Aikace-aikace
Nau'in Kunshin EMC, PPA, Yumbu Kayan gida masu kare guntu, samar da hanyar sadarwa ta gani/zafi. EMC: juriya mai kyau na zafi, farashi mai rahusa; Yumbu: mafi kyawun zubar da zafi, tsawon rai.
Tsarin Guntu Gaba, Guntu Juyawa Tsarin na'urorin lantarki na guntu. Juyawar guntu: mafi kyawun zubar da zafi, inganci mafi girma, don ƙarfi mai ƙarfi.
Rufin Phosphor YAG, Silicate, Nitride Yana rufe guntu shuɗi, yana canza wasu zuwa rawaya/ja, yana haɗa su zuwa fari. Phosphor daban-daban suna shafar inganci, CCT, da CRI.
Ruwan tabarau/Optics Lefi, Microlens, TIR Tsarin gani a saman yana sarrafa rarraba haske. Yana ƙayyade kusurwar dubawa da layin rarraba haske.

Kula da Inganci & Rarraba

Kalma Abun rarraba Bayanin Sauri Manufa
Kwalin Gudun Hasken Lambar misali 2G, 2H An tattara su ta hanyar haske, kowace ƙungiya tana da ƙananan/matsakaicin ƙimar lumen. Yana tabbatar da daidaiton haske a cikin jeri ɗaya.
Kwalin Ƙarfin lantarki Lambar misali 6W, 6X An tattara su ta hanyar kewayon ƙarfin lantarki na gaba. Yana sauƙaƙe daidaitawar tuƙi, yana inganta ingancin tsarin.
Kwalin Launi Ellipse MacAdam 5-mataki An tattara su ta hanyar daidaitattun launi, yana tabbatar da ƙuntataccen kewayon. Yana ba da garantin daidaiton launi, yana guje wa launi mara daidaituwa a cikin kayan aikin.
Kwalin CCT 2700K, 3000K da sauransu An tattara su ta hanyar CCT, kowanne yana da madaidaicin kewayon daidaitawa. Yana cika buƙatun CCT na yanayi daban-daban.

Gwaji & Takaddun Shaida

Kalma Matsakaicin/Gwaji Bayanin Sauri Muhimmanci
LM-80 Gwajin kula da lumen Haskakawa na dogon lokaci a yanayin zafi akai-akai, yana rikodin lalacewar haske. Ana amfani dashi don kimanta rayuwar LED (tare da TM-21).
TM-21 Matsakaicin kimanta rayuwa Yana kimanta rayuwa a ƙarƙashin yanayi na ainihi bisa bayanan LM-80. Yana ba da hasashen kimiyya na rayuwa.
IESNA Ƙungiyar Injiniyoyin Haskakawa Yana rufe hanyoyin gwajin gani, lantarki, zafi. Tushen gwaji da masana'antu suka amince.
RoHS / REACH Tabbatarwar muhalli Yana tabbatar da babu abubuwa masu cutarwa (darma, mercury). Bukatar shiga kasuwa a duniya.
ENERGY STAR / DLC Tabbatarwar ingancin kuzari Tabbatarwar ingancin kuzari da aiki don samfuran haskakawa. Ana amfani dashi a cikin sayayyan gwamnati, shirye-shiryen tallafi, yana haɓaka gasa.