Do they carry decent multimeters? Those would be small.
They usually give multimetters away for free with a coupon.
https://www.harborfreight.com/electrical/electrician-s-tools/multimeters-testers/cm1000a-1000a-t-rms-acdc-clamp-meter-64017.html
The HF near me has some of the small expensive items in a cage under the display.