All ProductsFlirProduction ProductsTest And Measurement FLIR Production ProductsTest And MeasurementEquipment - Electrical Testers, Current ProbesEquipment - Environmental Testers EMF450 SPECIALTY FOR MEASURING ELECTROMAGNETIC FIELDS (EMF), EXTREMELY LOW FREQUENCY (ELF) INCLUDES BATTERY MFR. Name: Flir FLIR C2 MFR. Name: Flir PRT200 PHASE ROTATION INDICATOR CAT IV 600V DETECTS THE ROTARY FIELD OF THREE-PHASE SYSTEMS MFR. Name: Flir