Arihant systems & electricals is involved in designing, integrating, and supplying state-of-art equipment in the fields of industrial electrical protection equipments and system engineering [industrial automation systems]. The company offers speciality sensors, qs50/qcx50. Features: analyses and compare 3 colours or varying intensities of one colour. R550 - detect the most difficult colours mark contrasts including 20 per cent yellow on white; low cost luminescent sensing. T-gage - senses temperature variations, including heat or cold with ability to set a custom-sensing window for each application.