Scientific Mes-Technik Pvt. Ltd. Manufactures 1.6 GHz Universal Frequency Counter. Calibration Lab of Scientific Mes-Technik Pvt. Ltd. Is accredited to ISO/IEC 17025:2005. The model number of 1.6 GHz Universal Frequency Counter is SM5052. This is a microprocessor-based instrument with self-test and auto-calibration features two highly sensitive inputs now with an extended frequency range of DC to 1.6GHz. The reciprocal frequency measurement technique provides high resolution of low frequency signals: at least seven digits for a 1s measuring time.