LEAT-4 Thermal Conductivity Measurement Apparatus

Tsanangudzo Pfupi:

Pane nzira mbiri dzekuyera kupisa kwekushisa- steady-state nzira uye ine simba nzira, chiridzwa ichi chiri steady-state nzira mhando.
Munzira yakadzikama, tinopisa sampuli kutanga, uye kusiyana kwekushisa mukati memuenzaniso kunoita kuti kupisa kwekushisa kubva kune yakakwirira kusvika kune yakadzika, uye kutonhora kwechinhu chimwe nechimwe mukati memuenzaniso kuchachinja nekupisa kwekupisa uye kutengesa kupisa; apo mamiriro ekuedza uye maparamendi akadzorwa zvakanaka kuita kuti kupisa uye kupisa kwekushisa kusvike kune yakaenzana mamiriro, kugadzika kwekushisa kwekushisa kunogona kuumbwa mukati memuenzaniso Thermal conductivity inogona kuverengwa kubva pakugoverwa kwekushisa.

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Main technical features:
1. Inotora yakatsaurwa yakaderera-voltage kupisa, iyo yakachengeteka uye iri nyore kushandisa;
2. Uchishandisa yenyika chiyero thermocouple kuyera tembiricha uye Teflon inochinjika yekudzivirira chubhu, iyo thermocouple haisi nyore kutyora;
3. Thermoelectric simba rinoyerwa nepamusoro mukati mekudzivirira, high precision, low drift amplifier uye matatu nehafu digital voltmeter;
4. PID tembiricha yekudzora kupisa kunoshandiswa kudzikamisa tembiricha yekudziya yemhangura ndiro uye kunatsiridza chokwadi chekuyedza.

Main technical parameters:
1. Digital voltmeter: 3.5 bit display, range 0 ~ 20mV, kuyerwa kwechiyero: 0.1% + 2 mazwi;
2. Digital stopwatch: 5-digit stopwatch ine zvishoma kugadzirisa kwe0.01s;
3. Tembiricha yekudzora huwandu hwetembiricha controller: kamuri tembiricha ~ 120 ℃;
4. Heating voltage: high end ac36v, low end ac25v, kupisa simba pamusoro pe100W;
5. Heat dissipation mhangura ndiro: radius 65mm, ukobvu 7mm, uremu 810g;
6. Test materials: duralumin, silicone rabha, rubber board, mhepo, nezvimwewo.
7. Thermocouple freezing point compensation circuit inogona kuwedzerwa kuchengetedza dambudziko rekushandisa musanganiswa wemvura yechando;
8. Mamwe ma sensor tembiricha anogona kushandiswa kuyera tembiricha, senge PT100, AD590, nezvimwe.