Scientech Technologies Pvt. Ltd. Supplies Transistor Analyzer with On-board Curve Tracer Circuit, ST2321. Scientech Technologies Pvt. Ltd. Is an ISO 9001:2000 certified company. The Transistor Analyzer with On-board Curve Tracer Circuit facilitates transistor static test and curve tracing and this analyzer can also be used as a laboratory experiment board showing the complete circuit arrangements. It also suits for both study of Testing of Transistor and Transistor Testers and helps in testing NPN and PNP transistors. Salient features of this Transistor Analyzer with On-board Curve Tracer Circuit are as follows: