EIGHT QUESTIONS TO ASK YOUR SUPPLIER
Purchasing a new Hardness Tester?
Eight questions to ask your supplier
- ARE THE TEST FORCES VERIFIED DIRECTLY? United’s model TRU-BLUE II forces are verified automatically using a force measuring device traceable to NIST --both at the factory and in the field!
- IS THE DEPTH SCALE VERIFIED DIRECTLY? United’s model TB-II depth measurements are verified using a scale traceable to NIST-- both at the factory and in the field!
- ARE THE TEST-CYCLE TIMES PRECISELY CONTROLLED? United’s model TB-II utilizes a microprocessor with a quartz clock to control all its test-cycle times, minimizing operator error.
- DOES THE TESTER MEET ALL OF THE LATEST ASTM E-18 CHANGES? The United TB-II hardness tester hardware and software were designed to comply with the latest revision of ASTM E-18. United guarantees compliance.
- CAN THE SUPPLIER PROVIDE ACCREDITED FIELD SERVICE SUPPORT? United's Quality System conforms to ISO 17025 and we offer calibration services accredited by NVLAP and/or A2LA.
- IS THE TESTER CERTIFIED WITH THE NEW NIST-TRACEABLE STANDARDS? United’s test blocks are traceable to the new NIST standards. Our standardizing diamonds are traceable to NAMAS in Europe.
- CAN IT MAKE TESTS ON OVERSIZE PARTS WITHOUT THE USE OF A JACK REST? United’s TB-II comes standard with a clamping device allowing for accurate testing on oversize or awkwardly shaped parts.
- WHERE IS THE TESTER MANUFACTURED? Every United TB-II hardness tester is manufactured and assembled at our facility located in Huntington Beach, California.
If you can’t get the right answers from your current hardness tester supplier, you can contact us.