They often have a "Where to Buy" section that lists authorized distributors and dealers.

Used Equipment Sellers: Consider checking with companies that specialize in selling used industrial equipment. They might have second-hand Rockwell hardness testers available.

Industrial Auctions: Keep an eye on industrial equipment auctions, both physical and online. Sometimes you can find testing equipment being sold at these events.

Local Distributors: Look for industrial equipment distributors in your local area. They might have Rockwell rockwell hardness tester for sale hardness testers available or be able to source one for you.

Trade Shows and Exhibitions: Attend relevant trade shows, exhibitions, or industry events where you might have the opportunity to see different models of hardness testers and potentially make a purchase.

Networking: Reach out to professionals in your industry who might have recommendations or leads on where to find Rockwell hardness testers for sale.

Remember to do thorough research on the specific model, brand, and condition of the hardness tester you're considering. It's important to ensure that the equipment meets your requirements and is in good working condition before making a purchase.