Caterpillar catalytic converterTest and Measurement Instruments C.C.(TMI) - "For Good Measure". Test & Measurement Instruments Suppliers in Johannesburg, South Africa. "Tomorrow's Instruments Today" in Electrical & Electronic Measuring equipment from Fluke, Megger, FLIR, Lutron. Vhdl code for distance measurement using ultrasonic sensorPfisterer medium voltage detectors offer reliable voltage detection from 3kV to 33kV/36kV and are suitable for indoor and outdoor medium voltage switchgear and overhead line applications – all detectors can be used outdoors and in harsh weather conditions such as rain and snow. All Pfisterer medium voltage detectors are designed and type tested to Standard IEC 61243-1 and have an integrated audible signal for reliable voltage detection even in extremely noisy environments.