$30 can indeed get you a pretty decent and reliable pair. (may need to forgo a digital readout for accuracy)
Just be cautious about ones that seem to good to be true for the price. One of our previous EEs went on tool shopping spree at AliExpress and the calipers they bought (prolly ~$5/each) had a 1.5mm variation in it’s reading and it’s physical scale was just a vinyl label that wasn’t even on straight.
$30 can indeed get you a pretty decent and reliable pair. (may need to forgo a digital readout for accuracy)
Just be cautious about ones that seem to good to be true for the price. One of our previous EEs went on tool shopping spree at AliExpress and the calipers they bought (prolly ~$5/each) had a 1.5mm variation in it’s reading and it’s physical scale was just a vinyl label that wasn’t even on straight.