HT Instruments

HT Instruments

HT Instruments is an Italian manufacturer of portable electrical test and measurement equipment, specializing in electrical installation testing, power quality analysis, and photovoltaic system verification. The company serves electrical contractors, certified inspectors, and facilities maintenance professionals across Europe and internationally, offering instruments compliant with IEC, EN, and national electrical safety standards.

The product range is particularly strong in multifunction electrical installation testers that combine insulation resistance, protective conductor continuity, loop impedance, RCD testing, and voltage measurement in a single instrument. HT Instruments also addresses emerging sectors with dedicated testers for EV charging station (EVSE) verification and photovoltaic installation commissioning.

Key Product Lines

• Multifunction electrical installation testers (Combi series) for IEC 60364 compliance testing
• Power quality analyzers and energy loggers for three-phase system monitoring
• Photovoltaic and solar irradiance testers for PV system commissioning and maintenance
• EV charging station (EVSE) test adapters and safety testers
• Insulation resistance meters and calibration instruments

Industries Served

HT Instruments equipment is used by electrical contractors, building inspectors, industrial maintenance teams, photovoltaic installers, and EV infrastructure engineers. Their instruments support compliance testing to European and international electrical safety standards and are widely used in residential, commercial, and industrial electrical installation verification.