The L.S. Starrett Co. has introduced two new digital Rockwell/ Superficial Rockwell benchtop hardness testers with fully automated load/unload procedures, and capable of providing highly accurate readings.
The new Starrett hardness tester models (Nos. 3823 and 3824) use a closed-loop control unit with a load cell, a DC motor, and an electronic measurement and control unit instead of traditional dead weights, enabling high accuracy measurements at all test loads up to 0.5 percent. The testers are part of a significantly expanded line of new hardness testing solutions that Starrett is now offering.
The Starrett No. 3824 hardness tester has an automated Z-Axis. The user simply presses the start key, and the entire test process is automatically completed. The Starrett testers feature programmable scale conversions, dwell times, statistical capabilities and a test counter, and are capable of testing in a wide range of 30 different Rockwell hardness scales for carbon steel, alloy steel, cast iron, and non-ferrous metals.
Suitable for both internal and external testing via a dolphin nose design, the Starrett No. 3823 and 3824 digital testers are high-precision testing solutions that meet ISO 6508-2 and ASTM E18 standards. They feature a built-in micro-printer, touch screen control on a high definition LCD display, USB output, and are furnished with PC-based software. For memory, a maximum of 400 items of test results are stored automatically. Testing capacity is 12” (300 mm) vertical and 8.8” (220 mm) horizontal. A full range of accessories from test blocks to anvils to dust cover are also included.
Featuring a manual Z-Axis instead of an automated Z, the No. 3823 digital superficial Rockwell hardness tester is a good value alternative to the No. 3824 Tester. Both the Starrett No. 3823 and No. 3824 feature auto load test force control.
The L.S. Starrett Company is a leading global manufacturer of precision measuring tools and gages, metrology systems, and more. Starrett also manufactures laser measurement systems, custom engineered granite solutions, custom gaging, band saw blades, power tool accessory saw blades, workshop tools and jobsite tools.
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