直流电源, 0-20 V, 0-5 A
Experiment: Magnetic field of the Earth (230 V, 50/60 Hz)
Experiment: Magnetic field of the Earth (115 V, 50/60 Hz)
![倾斜角测量仪, 1006799 [U8495258], 磁场](/imagelibrary/U8495258/U8495258_01_倾斜角测量仪.jpg)
![直流电源, 0-20 V, 0-5 A
, 1003312 [U33020-230], 供电器](/thumblibrary/U33020-230/U33020-230_01_140_140_直流电源-0-20-V-0-5-A.jpg)
![Experiment: Magnetic field of the Earth (230 V, 50/60 Hz), 8000624 [UE3030700-230], Magnetic fields](/thumblibrary/UE3030700-230/UE3030700-230_01_140_140_Experiment-Magnetic-field-of-the-Earth-230-V-5060-Hz.jpg)
![Experiment: Magnetic field of the Earth (115 V, 50/60 Hz), 8000623 [UE3030700-115], Magnetic fields](/thumblibrary/UE3030700-115/UE3030700-115_01_140_140_Experiment-Magnetic-field-of-the-Earth-115-V-5060-Hz.jpg)
![一对赫尔姆霍茨线圈, 1000906 [U8481500], 感应现象](/thumblibrary/U8481500/U8481500_01_140_140_一对赫尔姆霍茨线圈.jpg)
![可变电阻器100 Ohm, 1003066 [U17354], 电循环](/thumblibrary/U17354/U17354_01_140_140_可变电阻器100-Ohm.jpg)
![15根安全实验导线套件，75mm, 1002843 [U138021], 电循环](/thumblibrary/U138021/U138021_01_140_140_15根安全实验导线套件-75mm.jpg)
![数字万用表 P1035, 1002781 [U11806], 手持数字测量仪器](/thumblibrary/U11806/U11806_01_140_140_数字万用表-P1035.jpg)
![Oersted's Device, 1009710 [U29310], 磁力](/thumblibrary/U29310/U29310_01_140_140_Oersteds-Device.jpg)
![磁极间距可调的永磁体, 1002660 [U10370], 磁场中的电导体](/thumblibrary/U10370/U10370_01_140_140_磁极间距可调的永磁体.jpg)
![铁制锉末, 1000580 [U11451], 磁场](/_images/ProductImageComingSoon/140zh.gif)
![4个不同间距的双狭缝, 1000597 [U14101],
光阑](/thumblibrary/U14101/U14101_01_140_140_4个不同间距的双狭缝.jpg)
![磁力线的演示，透明, 1003092 [U19560], 磁场](/thumblibrary/U19560/U19560_01_140_140_磁力线的演示-透明.jpg)
![光栅, 1003181 [U21874],
光栅](/thumblibrary/U21874/U21874_01_140_140_光栅.jpg)
![磁力线实验装置，三维, 1009765 [U8491925], 磁场](/thumblibrary/U8491925/U8491925_01_140_140_磁力线实验装置-三维.jpg)
![直流电源 1 – 32 V / 0 – 20 A, 1012857 [U11827-230], 供电器](/thumblibrary/U11827-230/U11827-230_01_140_140_直流电源-1-32-V-0-20-A.jpg)
![磁场和感应线圈 120mm, 1000592 [U12253], 磁场](/thumblibrary/U12253/U12253_01_140_140_磁场和感应线圈-120mm.jpg)
![一套接插线，15个，长度 75 cm, 1002841 [U13801], 电循环](/thumblibrary/U13801/U13801_01_140_140_一套接插线-15个-长度-75-cm.jpg)
![光栅, 1003179 [U21872],
光栅](/thumblibrary/U21872/U21872_01_140_140_光栅.jpg)
![Red Laser Diode, 650 nm, 1003201 [U22000], 光源在柄上](/thumblibrary/U22000/U22000_01_140_140_Red-Laser-Diode-650-nm.jpg)
![Laser Module, Green, 1003202 [U22001], 光源在柄上](/thumblibrary/U22001/U22001_01_140_140_Laser-Module-Green.jpg)
![磁场指示器, 1003555 [U8491900], 磁场](/thumblibrary/U8491900/U8491900_01_140_140_磁场指示器.jpg)
![旋转框架中的平面线圈, 1013131 [U8496320], 感应现象](/thumblibrary/U8496320/U8496320_01_140_140_旋转框架中的平面线圈.jpg)