Idan kana son kafa dakin gwaje-gwaje na lantarki, daya daga cikin mahimman kayan aikin da bai kamata ya ɓace ba shine oscilloscopes. Tare da su ba za ku iya ɗaukar wasu ma'auni kawai ba polymers, amma kuma za ku ga sakamako mai hoto sosai akan siginar analog da dijital. Babu shakka daya daga cikin ƙwararrun ƙwararru da kayan aikin da aka yi amfani da su a cikin dakunan gwaje-gwaje na lantarki, kuma a nan za mu nuna maka abin da yake daidai, yadda za a zabi mafi dacewa a gare ku, kuma muna ba da shawarar wasu samfurori da samfurori tare da mafi kyawun darajar kuɗi.
mafi kyau oscilloscopes
Idan ba ku san abin da na'urar za ku saya ba, nan ku tafi zaɓi tare da mafi kyawun oscilloscopes me za ku iya saya. Kuma akwai na masu farawa, masu yin da ƙwararru, tare da bambance-bambancen farashin farashi. Don wannan zaɓin, na zaɓi mafi kyawun nau'ikan nau'ikan 3, kuma daga kowannensu ana ba da nau'ikan nau'ikan nau'ikan 3: zaɓi mai rahusa kuma mafi arha don masu farawa da masu son shiga, matsakaicin matsakaici, da zaɓi mafi tsada ga masu sana'a.
Brand Rigol
Rigol DS1102Z-E (farashi mafi kyau)
Rigol yana da mafi kyawun oscilloscopes na dijital da zaku iya samu, kamar wannan nau'in dijital, tare da tashoshi 2, 100 Mhz, 1 GSa/s, 24 Mpts da 8-bits. Yana ba da damar zuƙowa a kan wani yanki da aka zaɓa, ikon gungurawa, kyakkyawar haɗin kai, saurin ɗaukar igiyoyin ruwa har zuwa 30.000 wfms/s, ikon nunawa da tantance har zuwa 60.000 rikodi na rikodi. Duk bayyane akan babban allon launi na 7 ″ tare da TFT panel da ƙudurin WVGA (800 × 480 px), haske mai daidaitacce, kewayon sikelin tsaye daga 1mV/div zuwa 10V/div, haɗin USB, 2 bincike da igiyoyi sun haɗa, da sauransu. .
Rigol DS1054Z (matsakaicin kewayon)
Babu kayayyakin samu.
Wannan shine ɗayan mafi kyawun oscilloscopes na dijital. Rigol ya ƙirƙiri na'ura mai ban mamaki tare da tashoshi 4 maimakon biyu kamar na baya. Tare da fasali masu ban sha'awa na gaske, irin su 150Mhz, 24Mpts, 1Gsa/s, 30000 wfms/s, haka kuma yana da abubuwan faɗakarwa, yanke hukunci, goyan bayan abubuwa daban-daban, haɗin USB, da raba wasu fasaloli da yawa tare da na baya, kamar su. 7 inci da ƙudurin px 800 × 480, kewayon sikelin sa, da sauransu. Za ta auna ta atomatik har zuwa sigogin waveform 37, tare da kididdigar kan tashi da lokacin faɗuwa, girman igiyar ruwa, faɗin bugun bugun jini, zagayowar aiki, da sauransu.
Rigol MSO5204 (mafi kyawun amfani da ƙwararru)
Rigol MSO5204 shine ɗayan mafi kyawun ƙwararrun oscilloscopes. Wannan na'urar ta zo da tashoshi 4, 200Mhz, 8 GSa/s, 100 Mpts, da 500000 wfms/s. Ya haɗa da allon taɓawa mai launi 9 ″ ( taɓawa da yawa), tare da panel LCD mai ƙarfi, da kayan aiki mai ƙarfi na ban mamaki. Zai kama da wakiltar ko da mafi ƙarancin daki-daki. Wannan allon yana da ƙaƙƙarfan ƙuduri, tare da daidaiton launi, kuma har zuwa matakan 256 don daidaitawa. Kuna iya auna ta atomatik har zuwa sigogi 41 daban-daban na nau'in igiyar ruwa a cikin ƙwaƙwalwar ajiya. A wannan yanayin, za ka iya amfani da daban-daban musaya, kamar LAN, USB, HDMI, da dai sauransu.
Brand Hantek
Hantek 6022BE (dijigi mai arha)
Wannan Hantek yana da arha sosai, dijital, kuma yana haɗa ta USB zuwa PC. Ba ya haɗa da allo, amma ya haɗa da software (wanda aka haɗa a cikin CD) don shigarwa a cikin Windows kuma yana iya yin abubuwan gani ta fuskar kwamfutarku tare da wannan software. An tsara shi a cikin aluminum anodized high quality. Yana da 48 MSA/s, 20Mhz bandwidth, da tashoshi 2 (16 ma'ana).
Hantek DSO5102P (matsakaicin kewayon)
Wannan sauran oscilloscope na Hantek yana da allon launi, tare da girman diagonal 17,78 cm da ƙudurin WVGA na 800 × 480 px. Yana da haɗin kebul na USB, tashoshi 2, 1Gsa / s don samfurin-lokaci na ainihi, bandwidth na 100Mhz, tsayi har zuwa 40K, ayyukan lissafi guda huɗu don zaɓar daga, zaɓaɓɓen gefen / bugun bugun jini / layi / slop / yanayin faɗakarwa na lokaci, da sauransu. Ana haɗa software na PC na ainihin lokacin bincike.
Hantek 6254BD (mafi kyawun dijital don amfanin ƙwararru)
Hakanan Hantek yana da wannan samfurin, ɗayan mafi kyawun oscilloscopes don amfanin ƙwararru. Zaɓin dijital, tare da haɗin USB, 250Mhz, 1 GSa/s, tashoshi 4, tsarin motsi na sabani, ƙwarewar shigarwar sa har zuwa 2 mV-10V/div, mai sauƙin ɗauka, sauƙin shigarwa (Plug & Play), cikakke sosai. kuma tare da ayyukan ci gaba, waɗanda aka ƙirƙira tare da anodized aluminum don casing, kuma tare da yiwuwar dubawa, adanawa, da yin kowane nau'in ayyuka akan allon PC godiya ga software.
Alamar Silent
Silent SDS 1102CML (mafi araha zaɓi)
Wannan ɗayan yana ɗaya daga cikin mafi araha wanda zaku iya samu ƙarƙashin alamar Siglent. Waɗannan samfuran oscilloscope suna da allon TFT LCD mai launi 7 ″, tare da ƙudurin 480 × 234 px, kebul na dubawa, tare da software na PC don duba nesa da bincika komai ta hanyar allo, 150Mhz nisa na band, 1 GSa/s, 2 Mpts , kuma tare da tashoshi biyu.
Silent SDS1000X-U Series (matsakaicin kewayon)
Yana da matsakaicin Siglent samfurin, tare da tashoshi 4, nau'in dijital, bandwidth 100Mhz, 14 Mpts, 1 GSa/s, allon TFT LCD mai inch 7 tare da ƙuduri na 800 × 480 px, super phosphor, tare da masu dikodi don musaya da yawa. , Sauƙi mai sauƙin amfani da godiya ga gaban panel ɗinsa, sabon tsarin tare da fasahar SPO don inganta aminci da aiki, babban hankali, ƙarancin jitter, ɗaukar har zuwa 400000 wfmps, daidaitawa mai ƙarfi a cikin matakan 256, yanayin nuni na yanayin launi da dai sauransu.
Silent SDS2000X Plus Series (mafi kyawun amfani da ƙwararru)
Idan kuna son Siglent don amfanin ƙwararru, wannan ɗayan ƙirar shine abin da kuke nema. Na'urar da ke da babban allon taɓawa da yawa 10.1 ″ don saka idanu da sigina da bayanai. Tare da faɗakarwa mai kaifin baki (gefe, gangara, bugun jini, taga, runt, tazara, dropout, tsari da bidiyo). Yana da tashoshi 4 da raƙuman dijital 16, bandwidth 350Mhz, zurfin ƙwaƙwalwar ajiya 200 Mpts, daidaiton ƙarfin lantarki daga 0.5 mV/div zuwa 10V/div, halaye daban-daban, 2 GSa/s, da damar 500.000 wfm/ s, 256 matakan ƙarfin daidaitacce. , Nunin zafin jiki na launi, fasahar SPO don inganta aminci, kuma cike da siffofi masu tasowa.
šaukuwa oscilloscopes
Siglent SHS800 jerin (ƙwararrun oscilloscope na hannu)
Ƙwararriyar Oscilloscope na Hannu tare da Tashoshi 2, Bandwidth 200Mhz, Zurfin Ƙwaƙwalwar Ƙwaƙwalwar 32Kpts, Nuni na Ƙididdiga na 6000 don Daidaitaccen Ma'auni, Zane-zane na Har zuwa 32 Ma'auni, 800K Point Range, 24 Hour Record Time, da kuma babban ikon kai. Hakanan, yana da lokacin rikodi na 0.05 Sa/s.
HanMatek H052 (mafi kyawun ƙimar kuɗi)
Karamin girman oscilloscope tare da allon TFT 3.5 inci, tare da aikin multimeter (2 cikin 1). Allon yana da baya, yana da aikin daidaitawa, tare da matsakaita ta atomatik 7, har zuwa 10000 wfms / s, 50 Mhz, 250 Msa / s, maki rikodin 8K, ƙimar inganci a ainihin lokacin, multimeter mai zaman kanta da shigarwar oscilloscope, kebul na dubawa -C don iko da caji, da sauransu.
Menene oscilloscope?
oscilloscopes Kayan aikin lantarki ne waɗanda ake amfani da su don wakiltar mabambantan wutar lantarki akan allon LCD ɗin su. na kewayawa, gabaɗaya sigina waɗanda suka bambanta da lokacin da aka wakilta akan madaidaicin axis (X don axis na lokaci don ganin juyin siginar kuma akan axis Y ana wakilta girman siginar a volts, misali). Suna da mahimmanci a fagen lantarki don nazarin da'irori da duba ƙimar sigina (analog ko dijital), da kuma halayensu.
Oscilloscopes suna da bincike ko tukwici waɗanda za a iya samun siginar da'ira da ake nazari. Kayan lantarki na oscilloscope zai kula wakiltar su na gani akan allo, Dubawa lokaci zuwa lokaci canje-canje (samfurin), kuma ta hanyar sarrafawar faɗakarwa zai yiwu a daidaitawa da kuma nuna nau'i mai maimaitawa.
- Samfura: shine tsari don juyar da wani ɓangaren siginar mai shigowa zuwa adadin madaidaitan ƙimar lantarki don adana shi a cikin ƙwaƙwalwar ajiya, sarrafa shi kuma nuna shi ta hanyar wakiltar shi akan allon. Girman kowane wurin samfurin zai kasance daidai da girman siginar shigarwa a lokacin da aka zana siginar. Ana iya fassara waɗannan makiran da aka zana akan allon a matsayin nau'in igiyar ruwa ta hanyar tsarin da aka sani da interpolation, haɗa maki don samar da layi ko vectors.
- Shots: Ana amfani da shi don daidaitawa da nuna maimaita sigar motsi. Akwai nau'ikan da yawa kamar Exdgering, ƙayyade idan gefen ya tashi ko faduwa a cikin siginar, daidai ga sigina na dijital. Hakanan za'a iya amfani da jawo faɗaɗa nisa don bincika ƙarin hadaddun sigina. Har ila yau, akwai wasu hanyoyi, kamar faɗakarwa guda ɗaya, inda oscilloscope zai nuna alama kawai lokacin da siginar shigarwa ta cika yanayin faɗakarwa, sabunta nuni da daskare shi don kula da alamar.
Sigina sigogi
Oscilloscopes na iya auna jerin jerin Sigina sigogi ya kamata ka sani:
- m darajar
- Matsakaicin darajar
- Mafi qarancin darajar
- kololuwa zuwa kololuwar darajar
- Mitar sigina (ƙananan da babba)
- lokacin sigina
- jimlar sakonni
- Lokacin tashin sigina da faɗuwa
- Ware siginar daga hayaniyar da za a iya haɗawa
- Yi ƙididdige lokutan yaduwa a cikin da'irori na microelectronic
- Yi lissafin FFT na sigina
- Duba canje-canjen impedance
Sassan Oscilloscope
Dangane da mahimman sassan oscilloscope waɗanda dole ne ku sani don samun damar sarrafa shi, sune:
- Allon: shine tsarin wakilci na sigina da dabi'u. Wannan nuni ya kasance CRT akan tsofaffin oscilloscopes, amma akan oscilloscopes na zamani yanzu nunin TFT LCD na dijital ne. Waɗannan allon na iya zama masu girma dabam dabam, kuma tare da ƙuduri daban-daban, kamar VGA, WXGA, da sauransu.
- tsarin tsaye: yana da alhakin samar da tsarin wakilci tare da bayanin siginar don axis Y ko axis a tsaye. Yawancin lokaci ana wakilta shi a gaban oscilloscope kuma yana da yankin sarrafa kansa mai lakabin VERTICAL. Misali:
- Sikeli ko riba a tsaye: Yana daidaita hankali a tsaye ko akai-akai a cikin volts/rabo. Za a sami iko ga kowane tashoshi wanda oscilloscope ke da shi. Misali, idan kun zaɓi 5V/div to kowane ɓangaren allo zai wakilci 5 volts. Dole ne ku daidaita shi bisa ga ƙarfin siginar, ta yadda za a iya wakilta shi da kyau a kan jadawali.
- menu: ba ka damar zaɓar tsakanin daban-daban jeri na zaɓaɓɓen tashar, kamar shigar da impedance (1x, 10x,…), sigina hada biyu (GND, DC, AC), riba, bandwidth gazawar, tasha inversion (inverts polarity), da dai sauransu.
- Matsayi: shine umarnin da ake amfani dashi don matsar da alamar siginar a tsaye kuma sanya shi inda kuke so.
- TFF: Saurin Saurin Canji, zaɓi don amfani da aikin lissafi don yin nazarin sigina. Don haka kuna iya ganin siginar ta tarwatse zuwa mitar asali da jituwa.
- Math: Digital oscilloscopes suma sukan haɗa da wannan saitin don zaɓar ayyuka daban-daban na lissafin don amfani da sigina.
- a kwance tsarin: shine bayanan da aka wakilta a kwance, tare da janareta mai sharewa da ake amfani da shi don sarrafa saurin sharewa kuma ana iya daidaita su cikin lokaci (ns, µda, ms, seconds, da dai sauransu). Duk saituna ko sarrafawa na wannan axis X an haɗa su a cikin yanki mai lakabin HORIZONTAL. Alal misali, dangane da samfurin za ka iya samun:
- Matsayi: ba ka damar matsar da sigina tare da axis X don daidaita su, misali, sanya sigina a farkon zagayowar, da dai sauransu.
- Escala: Wannan shi ne inda za a iya saita naúrar lokaci a kowane bangare na allo (s/div). Misali, zaku iya amfani da ɗaya daga cikin 1 ms/div, wanda zai sa kowane yanki na jadawali ya wakilci tsawon lokaci na millisecond ɗaya. Ana iya amfani da Nanoseconds, microseconds, milliseconds, seconds, da sauransu, dangane da hankali da sikelin da ke goyan bayan samfurin. Hakanan ana iya fahimtar wannan iko azaman nau'in "zuƙowa", don bincika ƙarin cikakkun bayanai na sigina a cikin ƙaramin lokaci.
- Saukarwa: Ana canza bayanan da aka samu zuwa tsarin dijital, kuma ana iya yin hakan ta hanyoyi 3 masu yiwuwa kuma zai shafi samfurin, wato, saurin da aka samo bayanan. Hanyoyi guda uku sune:
- Samfura: Samfuran siginar shigarwa a tsaka-tsakin lokaci na yau da kullun, amma yana iya rasa wasu saurin saɓani a cikin siginar.
- Matsakaicin: Wannan yanayin da aka ba da shawarar sosai don lokacin da aka sami jerin raƙuman ruwa, ɗaukar matsakaicin duka duka kuma yana nuna siginar da aka samu akan allon.
- Gane kololuwa: dace idan kuna son rage hayaniyar haɗe-haɗe wanda sigina zai iya samu. A wannan yanayin, oscilloscope zai nemi matsakaicin kuma mafi ƙarancin ƙimar sigina mai shigowa, don haka wakiltar siginar a cikin bugun jini. Koyaya, dole ne a kula, saboda a cikin wannan yanayin, hayaniyar haɗe zata iya bayyana girma fiye da yadda take.
- Trigger: tsarin faɗakarwa yana nuna lokacin da muke son siginar ta fara zane akan allon. Misali, yi tunanin cewa kun yi amfani da ma'aunin tushe na lokaci 1 µs da X-axis graph of time yana da sassa 10 a kwance, to oscilloscope zai tsara hotuna 100.000 a cikin minti daya, kuma idan kowannensu ya fara a wani wuri daban zai zama hargitsi. Don kada hakan ya faru, a cikin wannan sashin zaku iya yin aiki da shi. Wasu sarrafawa sune:
- menu: mai zaɓi don zaɓuɓɓuka daban-daban ko yanayin harbi mai yiwuwa (manual, atomatik,...).
- Mataki ko Mataki: wannan potentiometer yana ba da damar daidaita matakin faɗakarwa don sigina.
- tilasta jawo: tilasta harbin a lokacin danna shi.
- Nemo: su ne tashoshi ko wuraren gwajin da za su yi hulɗa da sassan na'urar ko kewaye da za a tantance. Dole ne su dace, in ba haka ba kebul ɗin da ke haɗa bincike zuwa oscilloscope zai iya aiki azaman eriya kuma ya ɗauki siginar parasitic daga wayoyin da ke kusa, na'urorin lantarki, rediyo, da sauransu. Yawancin bincike suna zuwa tare da potentiometer don rama waɗannan batutuwa kuma suna buƙatar daidaitawa don nuna daidaitattun ƙima akan nunin, daidai da zaɓaɓɓen ma'auni akan gatura mai nuni.
Oscilloscope Tsaro
Wani muhimmin al'amari lokacin amfani da oscilloscope a cikin dakin gwaje-gwaje shine a kiyaye matakan tsaro don kar a kawo karshen lalata na'urar ko tare da hadurran da zasu iya shafar ku. Yana da mahimmanci koyaushe karanta jagorar masana'anta don mutunta shawarwari don aminci da amfani. Wasu ƙa'idodin gama gari gama gari ga kowane samfuri sune:
- Guji aiki a cikin mahalli tare da samfuran masu ƙonewa ko fashewa.
- Saka kayan kariya don gujewa ƙonawa ko ƙarar wuta.
- Yi ƙasa duk filaye, duka binciken oscilloscope da kewaye da ke ƙarƙashin gwaji.
- Kar a taɓa abubuwan da'ira ko nassoshin bincike waɗanda ke raye.
- Koyaushe haɗa kayan aiki zuwa amintacciyar hanyar sadarwar samar da wutar lantarki.
Aplicaciones
Idan har yanzu ba ku same shi ba aikace-aikace Don wannan na'urar, ya kamata ku san duk abin da ke ba ku damar yin oscilloscopes a cikin dakin gwaje-gwaje na lantarki:
- Auna girman sigina
- auna mitoci
- auna sha'awa
- auna hawan keke
- Matsakaicin jujjuya lokaci na sigina biyu
- Ma'aunin XY ta amfani da adadi Lissajous
To, kuma wannan ya bayyana ta hanyar da ta fi dacewa. za a iya amfani da:
- Bincika abubuwan haɗin lantarki, igiyoyi ko bas
- Gano matsaloli a cikin da'ira
- Bincika siginar analog ko dijital a cikin da'ira
- Ƙayyade ingancin siginar lantarki a cikin mahimman tsarin
- Juya aikin injiniya na na'urorin lantarki
- Kuma ko oscilloscopes na iya wuce na’urorin lantarki da amfani da kaddarorinsu na auna wasu siginonin lantarki don gyara su da kuma lura da sigogin nazarin halittu na marasa lafiya a asibiti, kamar hawan jini, yawan numfashi, ayyukan jijiya na lantarki, da sauransu. Hakanan ana iya amfani dashi don auna ƙarfin sauti, girgiza, da ƙari
Nau'in oscilloscopes
Akwai daban-daban iri oscilloscopes. Misali, dangane da yadda ake daukar ma'aunin siginar, muna da:
- Analog: ƙarfin lantarki da aka auna ta hanyar bincike za a nuna shi akan allon CRT, ba tare da canzawa daga analog zuwa dijital ba. A cikin waɗannan, ana ɗaukar sigina na lokaci-lokaci, yayin da al'amura masu wucewa ba su kan bayyana akan allon ba, sai dai idan an maimaita su lokaci-lokaci. Bugu da ƙari, irin wannan nau'in oscilloscope yana da iyakancewa, kamar cewa ba ya ɗaukar siginonin da ba na lokaci-lokaci ba, lokacin da ake ɗaukar sigina masu sauri suna rage haske a fuskar allo saboda raguwar adadin wartsakewa, da sigina masu jinkirin. ba zai samar da burbushi ba (kawai zai iya a cikin manyan bututun dagewa).
- dijital: kwatankwacin na baya, amma suna samun siginar analog ta hanyar bincike kuma su mayar da ita zuwa dijital ta amfani da ADC (A/D Converter), wanda za a sarrafa ta hanyar dijital kuma a nuna shi akan allon. A halin yanzu sun fi yaɗuwa idan aka yi la'akari da fa'idodin su, kamar samun damar haɗawa da PC don tantance sakamakon ta amfani da software, adana su, da sauransu. A gefe guda kuma, godiya ga kewayawarsu za su iya ƙara ayyukan da na'urorin analog ɗin ba su da shi, kamar aunawa ta atomatik na ƙimar kololuwa, gefuna ko tazara, kama mai wucewa, da ƙididdige ci gaba kamar FFT, da dai sauransu.
Hakanan ana iya lissafta su gwargwadon iyawar sa ko amfaninsa:
- šaukuwa oscilloscope: su ne ƙananan kayan aiki da haske, don sauƙaƙe ɗaukar su daga wannan wuri zuwa wani don aiwatar da ma'auni. Suna iya zama mai ban sha'awa ga masu fasaha.
- Laboratory ko masana'antu oscilloscope: sun fi girma, na'urorin benchtop, sun fi ƙarfi kuma an tsara su don a bar su a wuri mai mahimmanci.
A gefe guda, bisa ga fasaha amfani, wanda kuma zai iya bambanta tsakanin:
- DSO (Oscilloscope na Ajiye Dijital): Wannan oscilloscope na ajiya na dijital yana amfani da tsarin sarrafa serial. Shi ne nau'in da ya fi kowa a cikin oscilloscopes na dijital. Suna iya ɗaukar abubuwan da suka faru na wucin gadi, adana su cikin fayiloli, bincika su, da sauransu.
- DPO (Digital Phosphor Oscilloscope): Waɗannan ba za su iya nuna matakin ƙarfin sigina a ainihin lokacin kamar yadda ya faru a cikin analog ɗin ba, amma DSO ba zai iya ba. Shi ya sa aka kirkiro DPO, wanda har yanzu dijital ce amma ta magance matsalar. Waɗannan suna ba da izinin kama sigina da sauri da bincike.
- Samfur: kasuwanci mafi girman bandwidth don ƙananan kewayo mai ƙarfi. Ba a rage yawan shigarwar ko haɓakawa ba, samun damar ɗaukar cikakken kewayon sigina. Wannan nau'in oscilloscope na dijital yana aiki ne kawai tare da sigina masu maimaitawa, kuma ba zai iya kama masu wucewa fiye da ƙimar samfurin al'ada ba.
- MSO (Mixed Signal Oscilloscope): haɓakawa ne tsakanin DPOs da mai nazarin dabaru na tashoshi 16, gami da yanke hukunci da kunna ka'idar bas ɗin layi ɗaya-serial. Sun fi dacewa don dubawa da kuma gyara da'irori na dijital.
- PC tushen: Har ila yau, an san su da oscilloscope na USB kamar yadda ba su da nuni, amma sun dogara da software don nuna sakamako daga PC mai haɗin gwiwa.
Kodayake ana iya samun wasu nau'ikan, waɗannan sune mafi mashahuri, kuma waɗanda galibi za ku samu.
Yadda za a zabi mafi kyawun oscilloscope
A lokacin zabi mai kyau oscilloscope, yakamata kuyi la'akari da wasu halaye masu zuwa. Ta wannan hanyar, zaku iya zaɓar mafi kyau kuma mafi dacewa don amfani da ku:
- Me kuke so oscilloscope don? Yana da mahimmanci a ƙayyade abin da za ku yi amfani da shi don shi, tun da oscilloscope don nazarin da'irori na dijital a matakin tunani ba ɗaya ba ne da na RF, ko kuma dole ne ku yi jigilar kaya daga wuri zuwa wani, da dai sauransu. Bugu da ƙari, yana da mahimmanci don ƙayyade idan kuna son shi don amfanin ƙwararru ko don amfanin sha'awa. A cikin akwati na farko, yana da daraja zuba jari kaɗan don samun ƙarin ƙwararrun kayan aiki da daidaitattun kayan aiki. A cikin akwati na biyu, yana da kyau don zaɓar wani abu tare da matsakaici-ƙananan farashi.
- Budget: Sanin adadin kuɗin da kuke da shi don saka hannun jari a cikin kayan aikin ku zai taimaka muku yin watsi da samfuran da yawa waɗanda ba su da kasafin kuɗi kuma zai rage yawan yuwuwar.
- Bandwidth (Hz): Yana ƙayyade kewayon sigina da zaku iya aunawa. Ya kamata ku zaɓi oscilloscope wanda ke da isassun bandwidth don ɗaukar daidaitattun mitoci mafi girman siginar da zakuyi aiki dasu. Ka tuna ka'idar 5, wanda shine zabar oscilloscope wanda, tare da bincike, yana ba da akalla sau 5 matsakaicin bandwidth na siginar da kuke yawanci aunawa don sakamako mafi kyau.
- Lokacin tashi (= 0.35/Bandwidth): Yana da mahimmanci don nazarin bugun jini ko raƙuman murabba'in, wato, sigina na dijital. Da sauri shi ne, mafi daidaito ma'aunin lokacin. Ya kamata ku zaɓi iyakoki tare da lokutan tashin ƙasa da sau 1/5 mafi saurin lokacin tashin siginar da zaku yi amfani da su.
- Nemo: Akwai wasu oscilloscopes waɗanda ke da bincike na musamman da yawa don buƙatu daban-daban. Yawancin oscilloscopes na yau yawanci suna zuwa tare da manyan abubuwan bincike marasa ƙarfi da bincike masu aiki don ma'auni mafi girma. Don matsakaicin matsakaici yana da kyau a zaɓi bincike tare da nauyin capacitive na <10 pF.
- Matsakaicin Samfura ko mitar (Sa/so Samfuran a sakan biyu): zai ƙayyade sau nawa cikakkun bayanai ko ƙimar igiyar ruwa da za a auna aka kama kowace raka'a na lokaci. Mafi girma shi ne, mafi kyawun ƙuduri da sauri zai yi amfani da ƙwaƙwalwar ajiya. Ya kamata ku zaɓi oscilloscope wanda ke da aƙalla sau 5x mafi girman mitar da'irar da zaku bincika.
- Kunnawa ko kunnawa: Mafi kyau idan yana ba da ƙarin abubuwan haɓaka don hadaddun igiyoyin igiyoyin ruwa. Mafi kyawun shi, mafi kyawun za ku sami damar gano abubuwan da ba su da kyau waɗanda ke da wahalar ganowa.
- Zurfin ƙwaƙwalwar ajiya ko tsayin rikodin (pts): Ƙarin, mafi kyawun ƙuduri don sigina masu rikitarwa. Yana nuna adadin maki waɗanda za a iya adanawa a cikin ƙwaƙwalwar ajiya, wato, ikon adana sakamakon da ya gabata yayin yin gwaji. Ana iya yin rikodin adadin karatun kuma ana iya ganin duk ƙimar don zana madaidaicin ƙarshe ko bibiya.
- Yawan tashoshi: Zaɓi oscilloscope tare da adadin tashoshi masu dacewa, ƙarin tashoshi, ƙarin cikakkun bayanai za a iya samu. Na'urorin analog ɗin sun kasance tashoshi 2 kawai, yayin da na'urorin dijital zasu iya tashi daga 2 zuwa sama.
- Interface: Ya kamata ya zama mai hankali da sauƙi kamar yadda zai yiwu, musamman idan kun kasance mafari. Wasu ci-gaba oscilloscopes sun dace da ƙwararru kawai, tunda ƙwararren mai amfani zai buƙaci koyaushe karanta littafin.
- Analog vs dijital: masu dijital a halin yanzu suna da rinjaye a kasuwa saboda amfanin su, irin su ba da damar sauƙi mafi girma, kuma ba tare da iyakancewa akan tsawon rikodin ba. Don haka, zaɓin da aka fi so ya kamata tabbas ya zama oscilloscope na dijital don kusan dukkan lokuta.
- Brands: Mafi kyawun samfuran oscilloscope sune Siglent, Hantek, Rigol, Owon, Yeapook, da sauransu. Sabili da haka, siyan ɗayan samfuran su zai zama garantin kyakkyawan aiki da inganci.