Scientech Technologies Pvt. Ltd. Manufactures Power Quality Analyzer, PS4000. Scientech Technologies Pvt. Ltd. Is an ISO 9001:2000 certified company and is the manufacturer and supplier of test and measurement instruments. The Power Quality Analyzer provides complete harmonic analysis on every cycle. It helps in capturing swells and sags on every half cycle, and transients with a resolution of 8 micro-seconds. It comes in a hand-sized package which weighs less than 2 pounds. Salient features of this Power Quality Analyzer are as follows: