Profile: Rishabh Instruments Pvt. Ltd. is engaged in the manufacturing, design and development of test & measuring instruments. We are an ISO 9001:2000 certified company. We produce industrial control products, energy meters, tools & molds and printed circuit boards. We supply hand held digital multimeter, digital and analog insulation testers & accessories for insulation testers & digital multimeters. We also offer calibration services. Power Q plus is a genuine, portable 3-phase power quality analyzer which can be easily implemented in a variety of different situations.