TTD300/TTD300-N Intrinsically Safe Temperature Transmitter PESO Approval Letter

This document is an official approval letter from the Petroleum & Explosives Safety Organisation (PESO) granting ABB India Limited permission to manufacture and supply intrinsically safe temperature transmitters (models TTD300 and TTD300-N) for use in Zone 1 Gas IIC hazardous areas under the Petroleum Rules, 2002. The approval is based on compliance with IEC 60079-0:2017 and IEC 60079-11:2011 standards, supported by an IECEx Certificate of Conformity (IECEx FMG 23.0015X) issued by FM Approvals Ltd., and includes specific conditions for marking, maintenance, and customer documentation.