EVDL-10A Quartz Oscillator Vacuum Gauge

Kufotokozera Kwachidule:

EVDL-10A quartz vacuum mita ndi vacuum mita yokhala ndi quartz crystal oscillator ngati sensa.Ili ndi mitundu yambiri komanso yolondola kwambiri.Vacuum gauge imakhala ndi gawo lowongolera ndi kuwongolera, ndipo chubu cha digito cha unit control unit chikuwonetsa kupanikizika.

Titumizireni imelo

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

1.Chidule cha mankhwala

2.Technical specifications

1. Muyeso osiyanasiyana: 5×10-1-105Pa

2. Magetsi: AC 220V, 50Hz

3. MPHAMVU:7W

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

5. Chingwe kutalika 2m

3.Mfundo yogwira ntchito

EVDL-10A quartz vacuum mita ndi vacuum mita yopangidwa pogwiritsa ntchito mawonekedwe a quartz crystal oscillator resonance impedance ndi kuthamanga kwa gasi.Quartz crystal oscillator mu EVDL-10A quartz vacuum gauge sikuti ndi gawo la oscillator, komanso sensor yoyezera kuthamanga kwa gasi.Quartz crystal oscillator imayikidwa mu chipolopolo cha aluminiyamu kuti ipange chitoliro cha gauge chokhala ndi mainchesi a 15.5mm, chomwe chitha kuyikidwa mu dongosolo kudzera pa mawonekedwe.Dera loyezera la resonance impedance likuwonetsedwa mu Chithunzi 1:

Chithunzi 1 Resonant impedance kuyeza dera

Resonant impedance Z= V AB

V_ABndi voteji kudutsa kristalo

Ine ndikuyenda mu kristalo

Panopa ine ndikuyenda kudzera resistor R mu mndandanda ndi kristalo, ndi voteji kudutsa resistor ndi VBD

∴ Ine = V BD

Z=V AB R

V_ABpafupifupi ofanana ndi voteji V₀kudutsa AC, VBD ndi pafupifupi wofanana voteji V₁kudutsa DC, ndipo cholepheretsacho chikhoza kuwerengedwa kuchokera muyeso wa V₀, V₁ndi kukana mfundo.Kachilombo kakang'ono kachipangizo kakang'ono kamene kamatembenuza cholepheretsa kukhala choponderezedwa, ndipo chubu cha digito chimasonyeza kupanikizika.

4.Makhalidwe a quartz vacuum gauge

The vacuum mita ya quartz imadziwika ndi voliyumu yaying'ono ya sensor.Kukula kwa kristalo kugwedera kwa EVDL-10A quartz vacuum mita ndi 3.2mm × 1.5mm × 0.8mm.Mwanjira imeneyi, kuwonjezera pa kuyeza kuthamanga kwa gasi monga ma vacuum mita ena, mita yowulutsira imatha kuyeza kuthamanga kwa mpweya wa voliyumu yaying'ono, monga chipangizo chosindikizidwa cha 1cm3, ndikuzindikira malo osungira.

5.EVDL-10A Quartz vacuum gauge kukhazikitsa

Kuyika kwa EVDL-10A quartz vacuum gauge ikuwonetsedwa pa Chithunzi 2:

The quartz crystal oscillator ndi oscillating dera amayikidwa mu kafukufuku.Chingwe chotsogolera chimalowetsedwa mu socket ya gulu lakumbuyo la control unit kudzera pa pulagi ya pini 5, ndipo chitoliro chokhala ndi mainchesi a probe Φ15.5 chimayikidwa mu vacuum system.Lumikizani chingwe chamagetsi mu socket yakumbuyo ya unit yowongolera ndikulumikiza mbali inayo mu chotengera chamagetsi.Potulutsira magetsi ayenera kukhala ndi waya wapansi kuti azitsitsira chassis ya unit control.Yatsani chosinthira mphamvu ndipo chowongolera cha digito chubu chimawonetsa kupanikizika.Chiwonetsero cha chubu cha digito 3.2 E 2 chimatanthawuza kuti mtengo wapakati ndi 3.2 × 102Pa.

6.Quartz vacuum gauge calibration

Kutentha kozungulira kukasintha, EVDL-10A iyenera kusanjidwa motere:

1. Kusintha kwa mfundo za zero: Makinawo akakhazikika kwa theka la ola, pamene kupanikizika kuli kochepa kuposa 10-3Pa, dinani batani mu dzero la zero la kutsogolo kwa gulu lolamulira ndi screwdriver kuti mutulutse.Ngati vacuum system sifika 10-3Pa, batani la zero silingathe kukanikizidwa.

2. Kuwongolera kwamlengalenga: Onetsani mlengalenga ku malamulo, dinani batani mu dzenje lamlengalenga la gawo lakutsogolo la gawo lowongolera ndi screwdriver kuti mutulutse.