Cisam-Ernst SRL is an Italian–Swiss manufacturer founded in 1954, specializing in metal hardness testing. The company designs and produces complete solutions for every application: portable testers, benchtop systems, automatic stations, and in-line hardness-testing integrations, supported by over 600 references including indenters, specimens, anvils, calibration blocks, and spare parts.

The mission is to provide accurate, reliable answers to all hardness-testing needs with instruments designed for certification to EN (European Norms), DIN (Deutsches Institut für Normung), ISO (International Organization for Standardization), and ASTM (ASTM International) standards.

Cisam-Ernst’s innovation is anchored by patents that ensure precise, stable force application and dependable results even under industrial conditions such as vibration, temperature variation, and dust. The company works as a consultative partner, offering personalized adaptation of standard instruments, custom in-line systems for process integration, and comprehensive after-sales service, installation, calibration guidance, operator training, and maintenance across the instrument life cycle.