Profile: Shijiazhuang Suin Instruments Co., Ltd specializes in providing measurement instruments, electrical products, and application software. TFG2900A series arbitrary waveform generator has 6 functions, including function generator, any waveform generator, noise generator, pulse generator, harmonic generator and frequency counter. The series includes dual and four channel models, which are completely equal. SA2100 power quality analyzer is a handheld multi-functional device which is designed to measure and analyze single or three-phase power system. This portable class S device can provide safe, convenient and accurate measurements for troubleshooting power networks.