Liquid Filled Compasses
U.S. Educator Price
$36

Spare compasses for the CASTLE Kit (EM-8624A). Perfect for investigating the magnetic fields around straight wires.

What to Consider

See the Buying Guide for this item's required, recommended, and additional accessories.

Product Summary

This compass is perfect for investigating the magnetic fields around straight wires. It has a 4.5-cm diameter, liquid-filled plastic case and a 2.5-cm long needle with the north end marked in red. 

Buying Guide

Replacement Parts P/N Price
CASTLE Kit EM-8624A $89
Economy CASTLE Kit EM-8654 $269

Support Documents

Safety Sheets
Compass Solvent Safety Data Sheet English - 711.29 KB

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