Feedback on TKM-459 hardness tester ("Gusar" Valves manufacturing - Gus-Khrustalniy, Russia)
"Our company purchased a portable TKM-459 series Hardness Tester by Your manufacture in 2019.
During the use, our experts noted the high precision of readings; the possibility to quickly run good quality tests, and also the ease of use.
Thank you for the professional advice on choosing the right equipment.
We hope there is more mutually beneficial cooperation in the future."
Chief Supply Department, S.A. Sidorova