LEEM-21 Digital Multimeter Assembly Experiment Featured Image

Kev Sib Dhos Ua Ke ntawm LEEM-21 Digital Multimeter

Kev Piav Qhia Luv:

Cov cuab yeej piav qhia txog lub hauv paus ntsiab lus ua haujlwm ntawm peb-thiab-ib-ib-nrab-tus lej analog-rau-digital hloov pauv chip ICL7107, thiab yuav ua li cas ntsuas cov khoom siv lub cev yooj yim xws li voltage, resistance, thiab tam sim no, thiab siv cov voltage dividers, shunts thiab binning resistors los ntsuas voltage, resistance, thiab tam sim no. Kev sim tsim qauv txuas ntxiv, tsim thiab ntsuas tus nqi hFE ntawm triode thiab tus nqi voltage poob rau pem hauv ntej ntawm diode.

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Cov Khoom Qhia Txog Khoom

Cov Cim Npe Khoom

Cov kev tsis tseem ceeb
1. Qhov ntau yam tsis kam: 200Ω, 2KΩ, 20KΩ, 200KΩ, 2MΩ;
2. Tam sim no ntau yam: 200μA, 2mA, 20mA, 200mA, 2A;
3. Qhov ntau ntawm qhov hluav taws xob: 200mV, 2V, 20V, 200V, 1000V;
4. Nrog AC/DC hloov pauv Circuit Court, diode thiab triode ntsuas Circuit Court;
5. Muaj peb thiab ib nrab tus lej hloov kho lub taub hau, voltage divider, shunt, kev tiv thaiv circuit thiab lwm yam khoom;
6. DC fais fab mov: 0 ~ 2V, 0.2A; 0 ~ 20V, 20mA;
7. Tsim cov ntaub ntawv hlau, AC 220V fais fab mov.

Yav dhau los: Kev Hloov Kho thiab Kev Ntsuas Hluav Taws Xob LEEM-20 (Milliammeter)

Tom ntej no: LEEM-22 Kev Ntsuas Kev Ntsuas Qhov Tsis Sib Haum Plaub Lub Qhov Kawg

Sau koj cov lus ntawm no thiab xa tuaj rau peb