Apparatuses Required : 

(A)  Electromagnet  - (12mm Air Gap): 7.5 Killo gauss

(B)  Electromagnet Power Supply : 5A 0 - 60V DC

(C) Hall Effect Set-up cum Gauss Meter : Digital

(D) Hall Probe

(E) Gauss Probe

(F) Probe Stand

(G) Connecting Wires

Electromagnet 5 Amps

Field Intensity : 10 KG + 5% with 10 mm air-gap. The air-gap is continuously variable up to 50 mm with two way knobbed wheel screw adjusting system.
Pole Pieces :50 mm diameter. Normally flat faced pole pieces are supplied with the magnet.

Energizing Coils : Two, each coil is wound on non-magnetic formers and has a resistance of about 12 ohms.

Yoke Material : 'U' shaped soft iron.
Power Requirement : 0 - 60 V @ 5 A, if coils are connected in parallel.
Weight : 10 Kg. Subject to Change.

Electromagnet Power Supply

Magnet current power supply to generate magnetic field up to 10 KG.

Current Range : Smoothly adjustable from 0 - 5 A per coil, i.e. 5 A.
Load Regulation : 0.1% Line Regulation : 0.1% for + 10% mains variation.
Protected : Electronically protected against overload or short circuit.
Display : 31⁄2 digit, 7 segment LED DPM.
Power : 220 V + 10%, 50 Hz.

HALL PROBE (GE CRYSTAL): Ge single crystal n or p-type as desired.
Ge single crystal with four spring - type pressure contacts is mounted on a sunmica - decorated Bakelite strip. Four leads are provided for connections with measuring devices
Resistivity :8 - 10 ohms cm Hall Voltage :25 - 35 mV / 10 mA / KG

Hall Effect set up cum Digital Gauss Meter
Measurement of steady magnetic field e.g. in loud speakers, dynamos, moving coil
Useful in laboratory experiments involving electromagnets.
Specifications :
Range : 0 - 12 KG
Resolution : 100 G at 0 - 20 KG range
Accuracy : + 0.5%
Temperature : Up to 50°C
Display : 31⁄2 digit, 7 segment LED DPM