LMEC-24 Qhov Ceev ntawm Cov Kua thiab Cov Khoom Khoob Sim

Kev sim
1. Kev ntsuas qhov ceev ntawm cov khoom khov uas muaj qhov ceev ntau dua li dej;
2. Kev ntsuas qhov ceev ntawm cov khoom khov uas muaj qhov ceev tsawg dua li dej;
3. Kev ntsuas qhov ceev ntawm cov kua.
Cov kev tsis tseem ceeb
1. Lub ntsuas siab: 0 ~ 100g, lub zog fais fab 1.5 ~ 5V kho tau;
2. Lub rooj zaum sim: kho lub khib thiab iav kom txav mus rau saum thiab nqis tas li yam tsis plam, thiab qhov deb txav mus los yog 0-200 hli;
3. Kuaj cov khoom khov: txhuas hlau, tooj dag, ntoo, thiab lwm yam; Kua ntsuas: nws tus kheej muab;
4. Cov ntaub ntawv ntsuas tau tso tawm los ntawm 3 thiab ib nrab lub voltmeter digital nrog kev hloov kho tau; Nws tuaj yeem hloov kho rau xoom;
5. Pawg hnyav txheem, 70g.