Electromagnets
1. Electromagnet, Model EMH-20 (H Shape)
Application : General purpose research laboratory electromagnet
Pole pieces : 100 mm diameter tapered to 50 mm (inner side) flat for uniform field in a large area
Field : 20 K Gauss at 10 mm air gap. The air gap is continuously variable upto 100 mm with two-way knobbed wheel,
screw adjusting system
Coils : Two (wound on non-magnetic aluminum former)
Power : 0-180 Volt D.C., 6 Amp. (max.)
2. Power Supply, Model PS-6
Application : Suitable for electromagnet EMH-20
Output : 0-240 Volts D.C. continuously variable
Current : 6 Amp. (max.)
Ripple : Less than 1%
Metering : 4½” good quality moving coil meter
Power : 220 V + 10%, 50 Hz
Protection : Fuse in input and output circuit
3. Electromagnet, Model EM-11 (U Shape)
Application : General purpose laboratory electromagnet
Pole Piece : 75 mm diameter flat
Field : 11 K Gauss at 10 mm air gap. The air gap is continuously variable upto 70 mm with two way knobbed wheel,
screw adjusting system.
Coil : Two (wound on non-magnetic aluminum former)
Power : 0-90 volt D.C., 3.5 Amps. (max.)
4. Constant Current Source, Model CS-11 (IC Regulated)
Application : Suitable for electromagnet EM-11
Current : Smoothly adjustable, 0-3.5 Amp. per coil
Load Regulation: + 0.2% for no to full load
Line Regulation : + 0.2% for 10% mains variations
Display : 3 ½ digit, 7 segment, LED display
Power : 220 V + 10%, 50 Hz
Protection : Protected against over load and short circuit
5. Electromagnet, Model EM-10 (U-Shape)
Application : Low cost electromagnet specially designed for susceptibility (Quinck’s tube method) experiment
Pole pieces : 50 mm tapered poles
Field : 10 K Gauss at 10 mm air gap. The air-gap is continuously variable upto 50 mm with two way knobbed wheel,
screw adjusting system
Coils : Two ( wound on nonmagnetic aluminum former)
Power : 0-40 volt D.C., 4.0 Amp. (max.)
6. Electromagnet, Model EM-07 (U-Shape)
Application : Low cost electromagnet generally used for Hall Effect, magnetoresistance and other laboratory experiments
Pole pieces : 50 mm diameter flat
Field : 7 K Gauss at 10 mm air-gap. The air gap is continuously variable upto 50 mm with two way knobbed wheel,
screw adjusting system
Coils : Two (wound on nonmagnetic aluminum former)
Power : 0-36 volt D.C., 4.0 Amp. (max.)
7. Constant Current Source, Model CS-07 (IC Regulated)
Application : Suitable for electromagnet EM-10 & EM-07
Current : 0-3.5 Amp or as required
Load Regulation : + 0.2% for 10% mains variation
Line Regulation : + 0.2% for no to full load
Display : 3 ½ digit, 7 segment, LED display
Power : 220V + 10%, 50 Hz
Protection : Protected against over load and short circuits