FMI - defines products in the Field Measuring Instrument category i.e. Clamp On Testers, DMM's, Battery Testers, Power Demand Meters, Phase Rotation, Mini Data Loggers, Leakage Current Testers, EMF Meters, Optical Power Meters, Tachometers, Sound Meters, Insulation Testers, Temperature Testers and Earth Resistance Testers.
HTI – defines products in the High Technology Instruments category i.e. Power Quality Analyzers, LCR Testers, Memory Recorders, Memory Loggers, Micro Ohm Meters, Bench Top Leakage Testers and Current Transformers.
