Ernst NR3D Economical Regular & Superficial Rockwell Hardness Testers
The NR3D Rockwell Tester is a sturdy, cost effective Rockwell Tester that is able to operate accurately even in the Superficial Rockwell test range, unlike many other lower cost testers. The unit comes with either a regular or superficial test head or both and the test heads can be swapped in a minute.
- Uses interchangeable test heads for regular and superficial ranges
- Digital display of Rockwell test results
- The test head can be removed for factory calibration/repairs- very convenient for companies not located near a calibration/ service company.
- Operates according to ASTM E18 or for light load Brinell and plastic hardness
| || || |
|The load is changed using the wheel at |
the top of the test hand. Load is applied
with the lever on the side.
|The tester is very precise and is |
often purchased with the superficial
Rockwell tester head.
|The tester is ideal for optional testing |
of plastics, from rubber to acrylic plastic,
according to ASTM D-785.