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EVDL-10A Quartz Oscillator Vacuum Gauge

Tsanangudzo Pfupi

EVDL-10A quartz vacuum meter is vacuum meter ine quartz crystal oscillator sesensor.Iine hupamhi hwakawanda uye yakakwirira chaiyo.Iyo vacuum gauge ine regulation uye control unit, uye iyo yedhijitari chubhu ye control unit inoratidza kukosha kwekumanikidza.


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1.Chigadzirwa chepamusoro

EVDL-10A quartz vacuum meter is vacuum meter ine quartz crystal oscillator sesensor.Iine hupamhi hwakawanda uye yakakwirira chaiyo.Iyo vacuum gauge ine regulation uye control unit, uye iyo yedhijitari chubhu ye control unit inoratidza kukosha kwekumanikidza.

2.Technical tsanangudzo

1. Kuyera huwandu: 5×10-1-105Pa

2. Simba rekushandisa: AC 220V, 50Hz

3. SIMBA:7W

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

5. Cable kureba 2m

3.Kushanda musimboti

EVDL-10A quartz vacuum meter is vacuum mita inogadzirwa nekushandisa maitiro equartz crystal oscillator resonance impedance uye gasi kumanikidza.Quartz crystal oscillator muEVDL-10A quartz vacuum gauge haisi chikamu che oscillator chete, asiwo sensor yekuyera gasi remhepo.Quartz crystal oscillator inoiswa mualuminium shell kuita gauge pombi ine dhayamita ye15.5mm, inogona kuiswa muhurongwa kuburikidza neiyo interface.Iyo yekuyera dunhu resonance impedance inoratidzwa muMufananidzo 1:

Mufananidzo 1 Resonant impedance yekuyera dunhu

 

Resonant impedance Z= V AB

VABndiyo voltage pakristaro

Ndini ikozvino inoyerera kuburikidza nekristaro

Parizvino ini ndinoyerera kuburikidza neresistor R munhevedzano nekristaro, uye iyo voltage pane inopikisa iVBD

∴ I = V BD

Z=V AB R

VABinenge yakaenzana nevoltage V0mhiri kweAC, VBD inenge yakaenzana nevoltage V1mhiri kweDC, uye iyo impedance inogona kuverengerwa kubva kuyerwa V0, V1uye kupikisa kukosha.Iyo single-chip microcomputer inoshandura iyo impedance kuita yekumanikidza, uye iyo yedhijitari chubhu inoratidza kukosha kwekumanikidza.

4.Unhu hwequartz vacuum gauge

 

Iyo quartz vacuum mita inoratidzirwa nediki sensor volume.Iyo crystal vibration size yeEVDL-10A quartz vacuum mita ndeye 3.2mm × 1.5mm × 0.8mm.Nenzira iyi, pamusoro pekuyera gasi kudzvanywa semamwe mavhacuum metres, iyo vacuum mita inogona kuyera gasi kudzvanywa kwevhoriyamu diki, senge 1cm3 saizi yakavharwa mudziyo, uye kuona iyo vacuum inobata mamiriro.

5.EVDL-10A Quartz vacuum gauge kuiswa

 

Kuiswa kweEVDL-10A quartz vacuum gauge inoratidzwa muMufananidzo 2:

Iyo quartz crystal oscillator uye inotenderera yedunhu inoiswa mu probe.Iyo inotungamira tambo inopinzwa musocket yepaneri yekumashure ye control unit kuburikidza ne5-pin plug, uye pombi ine dhayamita yeprobe Φ15.5 inopinzwa muvacuum system.Batanidza tambo yemagetsi mune reshure repaneru socket ye control unit uye plug imwe magumo mumagetsi.Iyo magetsi inofanirwa kuve newaya yepasi yekudzika iyo control unit chassis.Batidza switch yemagetsi uye iyo control unit yedhijitari chubhu inoratidza kukosha kwekumanikidza.Digital chubhu inoratidza 3.2 E 2 inoreva kukosha kwekumanikidza ndeye 3.2 × 102Pa.

6.Quartz vacuum gauge calibration

 

Kana iyo ambient tembiricha yachinja, iyo EVDL-10A inofanirwa kuyerwa sezvinotevera:

1. Zero point adjustment: Mushure mokunge muchina wacho wakagadzikana kwehafu yeawa, apo dzvinyiriro iri pasi pe10-3Pa, shandisa bhatani mu zero gomba repamberi repaneti rekutonga ne screwdriver kuti usunungure.Kana iyo vacuum system isingasviki 10-3Pa, iyo zero bhatani haigone kudzvanywa.

2. Atmospheric regulation: Ratidza mamiriro ekunze kune mutemo, dzvanya bhatani mugomba remuchadenga repamberi pepaneru yekudzora unit ine screwdriver kuti isunungurwe.

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