Scientech Technologies Pvt. Ltd. Supplies Frequency Counter, Caddo 9250. Scientech Technologies Pvt. Ltd. Is an ISO 9001:2000 certified company and is the manufacturer and supplier of test and measurement instruments. The Frequency Counter offers both auto and manual power off facility. It is a compact and hand held instrument and has a LCD display for showing low power consumption and clear read-out even in bright ambient light condition. Salient features of the Frequency Counter are as follows: