Quick Answer: The Magnetic Compass, Large (Magnetometer) is a 75 mm to 100 mm compass with a 0–360° dial, used for measuring the direction of magnetic fields in deflection experiments. Its steel needle turns on a hardened steel pivot in a synthetic jewel bearing.
Last updated: October 2026
Key Features
Large 75 mm to 100 mm diameter for easy reading
0–360° dial with 1° or 2° subdivisions and cardinal points
Magnetised steel needle on a hardened steel pivot with synthetic jewel bearing
Non-magnetic aluminium or brass housing with glass face
Technical Specifications
Specification
Value
Diameter
75 mm to 100 mm
Scale
0–360°, 1° or 2° subdivisions, cardinal points marked
Needle
Magnetised steel
Pivot
Hardened steel, synthetic jewel bearing
Housing
Non-magnetic aluminium / brass, glass face
About This Product
The large compass is used in deflection experiments, where the turn of its needle caused by a nearby magnet is read on the dial to compare magnetic fields. Its size and finely divided scale help when reading small angles. Educational Instrument can arrange export supply of the Magnetic Compass, Large (Magnetometer) to Lebanon, Philippines, Belize, Egypt and Cameroon.
Frequently Asked Questions
What scale does the Magnetic Compass, Large (Magnetometer) have?
It has a 0–360° scale with 1° or 2° subdivisions, and the cardinal points are marked.
