Qmax Test Equipments Pvt Ltd. Manufactures Short Locator with 4 Wire Resistance Measurements. Qmax Test Equipments Pvt Ltd. Is ISO 9001 certified company and its marketing and customer support operations are ISO 9002 certified. The Short Locator with 4 Wire Resistance Measurements is available as `QT25 - Unique Low Cost Short Locator` under PCBA Repair & Recovery category. It consists of back-lit 16 character alpha numeric displays. This Short Locator has complimenting modulated audio tone, resistor range of 200 milliohms, 2 ohms and 200 ohms and100 micro ohm resolution in 200 milli ohm range and auto offset capability of up to 200 ohms.