EVDL-10A Quartz Oscillator Vacuum Gauge

1.Bayyanar samfur

EVDL-10A ma'adini injin injin mitar injin injin injin tare da ma'aunin crystal oscillator a matsayin firikwensin.Yana da fadi da kewayon da babban madaidaici.Ma'aunin injin ya ƙunshi tsari da na'ura mai sarrafawa, kuma bututun dijital na sashin sarrafawa yana nuna ƙimar matsa lamba.

2.Technical ƙayyadaddun bayanai

1. Ma'auni: 5 × 10-1-105Pa

2. Wutar Lantarki: AC 220V, 50Hz

3. WUTA:7W

4.Chassis girma: 180mm × 80mm × 200mm (L * W * D)

5. Tsawon igiya 2m

3.Ka'idar aiki

EVDL-10A quartz vacuummeter shine injin injin da aka yi ta amfani da halayen ma'aunin ma'adini crystal oscillator resonance impedance da matsin gas.Ma'adini crystal oscillator a cikin EVDL-10A quartz vacuum ma'auni ba kawai ɓangaren oscillator ba ne, har ma da firikwensin auna matsa lamba gas.An shigar da oscillator na ma'adini a cikin harsashi na aluminum don yin bututun ma'auni tare da diamita na 15.5mm, wanda za'a iya saka shi cikin tsarin ta hanyar dubawa.Ana nuna da'irar ma'auni na impedance resonance a cikin hoto 1:

Hoto 1 Resonant impedance auna kewaye

Resonant impedance Z=V AB

V_ABshine ƙarfin lantarki a fadin crystal

Ni ne halin yanzu yana gudana ta cikin crystal

I na yanzu yana gudana ta hanyar resistor R a cikin jerin tare da crystal, kuma ƙarfin lantarki a fadin resistor shine VBD

∴ I = V BD

Z=V AB R

V_ABkusan daidai yake da ƙarfin lantarki V₀a fadin AC, VBD kusan daidai yake da ƙarfin lantarki V₁a ko'ina DC, kuma ana iya ƙididdige impedance daga ma'aunin V₀, V₁da juriya dabi'u.Microcomputer mai guntu guda ɗaya yana jujjuya abin ƙyama zuwa matsa lamba, kuma bututun dijital yana nuna ƙimar matsa lamba.

4.Halayen ma'aunin ma'auni na quartz

Mitar injin quartz yana da ƙaramar ƙarar firikwensin.Girman girgizar kristal na EVDL-10A ma'adini injin injin injin shine 3.2mm × 1.5mm × 0.8mm.Ta wannan hanyar, baya ga auna matsi na iskar gas kamar sauran mitoci, injin injin na iya auna matsewar iskar gas na ƙaramin ƙara, kamar na'urar da ke da girman girman 1cm3, kuma ta gano yanayin da ke riƙe da injin.

5.EVDL-10A Quartz injin ma'auni shigarwa

Ana nuna shigarwa na ma'aunin ma'aunin ma'aunin ma'aunin ma'aunin EVDL-10A a cikin Hoto 2:

Ana sanya kristal oscillator na quartz da da'irar oscillating a cikin binciken.Ana shigar da kebul na gubar a cikin soket na sashin baya na sashin sarrafawa ta hanyar filogi na 5-pin, kuma an saka bututu tare da diamita na binciken Φ15.5 a cikin tsarin injin.Toshe kebul ɗin wuta a cikin soket ɗin baya na naúrar sarrafawa kuma toshe ɗayan ƙarshen cikin tashar wutar lantarki.Wurin wutar lantarki yakamata ya kasance yana da waya ta ƙasa don ƙasa chassis naúrar sarrafawa.Kunna wutar lantarki kuma naúrar dijital bututu yana nuna ƙimar matsa lamba.Nunin bututu na dijital 3.2 E 2 yana nufin ƙimar matsa lamba shine 3.2 × 102Pa.

6.Quartz injin ma'auni calibration

Lokacin da yanayin zafi ya canza, EVDL-10A yakamata a daidaita shi kamar haka:

1. Daidaita ma'anar sifili: Bayan injin ya tsaya tsayin daka na rabin sa'a, lokacin da matsa lamba ya kasa da 10-3Pa, danna maɓallin a cikin ramin sifili na gaban panel na sashin sarrafawa tare da screwdriver don saki shi.Idan tsarin injin bai kai 10-3Pa ba, ba za a iya danna maɓallin sifilin ba.

2. Tsarin yanayi: Bayyana yanayin ga ƙa'idar, danna maɓallin a cikin ramin yanayi na gaban panel na sashin sarrafawa tare da na'urar sukudireba don sakin shi.