High-quality interchangeable board with an undoped germanium crystal for investigating the conductivity of undoped germanium as a function of temperature. With contacts for transverse current, integrated resistive heating element with temperature sensor directly under the crystal, and multi pin plug for connecting the circuit board to the basic Hall effect apparatus (U8487000).
![Undoped Germanium on Printed Circuit Board, 1008522 [U8487010], El. Conduction in Semiconductors](/imagelibrary/U8487010/U8487010_01_Undoped-Germanium-on-Printed-Circuit-Board.jpg)
![Undoped Germanium on Printed Circuit Board, 1008522 [U8487010], El. Conduction in Semiconductors](/imagelibrary/U8487010/U8487010_02_Undoped-Germanium-on-Printed-Circuit-Board.jpg)
![Undoped Germanium on Printed Circuit Board, 1008522 [U8487010], El. Conduction in Semiconductors](/thumblibrary/U8487010/U8487010_01_1200_1200_Undoped-Germanium-on-Printed-Circuit-Board.jpg)
![Undoped Germanium on Printed Circuit Board, 1008522 [U8487010], El. Conduction in Semiconductors (Small)](/thumblibrary/U8487010/U8487010_02_50_50_Undoped-Germanium-on-Printed-Circuit-Board.jpg)
![Basic Hall Effect Apparatus, 1009934 [U8487000], Hall Effect](/thumblibrary/U8487000/U8487000_01_140_140_Basic-Hall-Effect-Apparatus.jpg)
![Experiment: Electrical Conduction in Semiconductors (230 V, 50/60 Hz), Basic Equipment, 8000724 [UE6020100-230], Conduction Phenomena](/thumblibrary/UE6020100-230/UE6020100-230_01_140_140_Experiment-Electrical-Conduction-in-Semiconductors-230-V-5060-Hz-Basic-Equipment.jpg)
![Experiment: Electrical Conduction in Semiconductors (115 V, 50/60 Hz), Basic Equipment, 8000723 [UE6020100-115], Conduction Phenomena](/thumblibrary/UE6020100-115/UE6020100-115_01_140_140_Experiment-Electrical-Conduction-in-Semiconductors-115-V-5060-Hz-Basic-Equipment.jpg)
![N-Doped Germanium on Printed Circuit Board, 1009760 [U8487030], Hall Effect](/thumblibrary/U8487030/U8487030_01_140_140_N-Doped-Germanium-on-Printed-Circuit-Board.jpg)
![P-Doped Germanium on Printed Circuit Board, 1009810 [U8487020], Hall Effect](/thumblibrary/U8487020/U8487020_01_140_140_P-Doped-Germanium-on-Printed-Circuit-Board.jpg)
![Barrel Foot, 1 kg, 1002834 [U13265], Bases](/thumblibrary/U13265/U13265_01_140_140_Barrel-Foot-1-kg.jpg)
![Set of 15 Safety Experiment Leads, 75 cm, 2.5 mm², 1002843 [U138021], Franck-Hertz – Accessories](/thumblibrary/U138021/U138021_01_140_140_Set-of-15-Safety-Experiment-Leads-75-cm-25-mm.jpg)
![DC Power Supply,
0 – 20 V, 0 – 5 A, 1003312 [U33020-230], Power Supplies](/thumblibrary/U33020-230/U33020-230_01_140_140_DC-Power-Supply-0-20-V-0-5-A.jpg)
![Transformer with Rectifier,
3/ 6/ 9/ 12 V, 3 A, 1003316 [U33300-230], Power Supplies](/thumblibrary/U33300-230/U33300-230_01_140_140_Transformer-with-Rectifier-3-6-9-12-V-3-A.jpg)
![Pair of Pole Shoes and Clamping Brackets D for Hall Effect, 1009935 [U8497205], Demountable Transformer D](/thumblibrary/U8497205/U8497205_01_140_140_Pair-of-Pole-Shoes-and-Clamping-Brackets-D-for-Hall-Effect.jpg)
![Coil D with 600 Turns, 1000988 [U8497430], Demountable Transformer D](/thumblibrary/U8497430/U8497430_01_140_140_Coil-D-with-600-Turns.jpg)
![Digital Multimeter P3340, 1002785 [U118091], Hand-held Digital Measuring Instruments](/thumblibrary/U118091/U118091_01_140_140_Digital-Multimeter-P3340.jpg)
![Safety Experiment Leads, 75 cm, 2.5 mm², blue, red, (2 pcs), 1017718 [U13816], Experiment Leads and Cables](/thumblibrary/U13816/U13816_01_140_140_Safety-Experiment-Leads-75-cm-25-mm-blue-red-2-pcs.jpg)
![Universal Clamp, 1002830 [U13255], Clamps](/thumblibrary/U13255/U13255_01_140_140_Universal-Clamp.jpg)
![U Core D, 1000979 [U8497215], Demountable Transformer D](/thumblibrary/U8497215/U8497215_01_140_140_U-Core-D.jpg)
![Safety Experiment Leads, 75 cm, 2.5 mm², black, (2 pcs), 1002849 [U13812], Experiment Leads and Cables](/thumblibrary/U13812/U13812_01_140_140_Safety-Experiment-Leads-75-cm-25-mm-black-2-pcs.jpg)
![Function Generator –
FG 100, 1 mHz - 100 kHz, 1009957 [U8533600-230], Function Generators](/thumblibrary/U8533600-230/U8533600-230_01_140_140_Function-Generator-FG-100-1-mHz-100-kHz.jpg)
![Calipers, 150 mm, 1002601 [U10071], Measurement of Length](/thumblibrary/U10071/U10071_01_140_140_Calipers-150-mm.jpg)
![Tubing, Silicone 6 mm, 1002622 [U10146], Hose, Flow hose](/thumblibrary/U10146/U10146_01_140_140_Tubing-Silicone-6-mm.jpg)
![HF Patch Cord, 1m, 1002746 [U11255], Experiment Leads and Cables](/thumblibrary/U11255/U11255_01_140_140_HF-Patch-Cord-1m.jpg)
![Digital Multimeter P1035, 1002781 [U11806], Hand-held Digital Measuring Instruments](/thumblibrary/U11806/U11806_01_140_140_Digital-Multimeter-P1035.jpg)
![Teslameter E, 1008537 [U8533982], Magnetic Fields](/thumblibrary/U8533982/U8533982_01_140_140_Teslameter-E.jpg)