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File ME13544 Vol. 1 Sec. 2 Page 4 Issued: 2-1-91 <br />and Report <br />RS232 Interface - The interface is intended for connection <br />to Listed equipment such as an externally powered computer, a <br />display terminal (CRT) or a printing terminal. <br />MARKING: <br />See Sec. Gen. and ILLS. A and B. Gauge probe part number <br />and Listee's name is provided on a metal label, secured to the <br />cap by rivets. <br />. For probes used with the EMS3000, the Listee's name and part <br />-number are applied to the probe body using a Recognized Component <br />Marking and Labeling System (PGD02) manufactured by M -Print Label <br />Inc. System designation CHMA (suitable fore oil and gasoline <br />exposure) seefor addonal detects. <br />Temnerature Code - Each gauge probe housing cover is marked <br />with a No. T3A temDerature code. See ILL. C. <br />Hazardous Locations - The connectors on the control unit for <br />the intrinsically safe circuits are identified as being <br />intrinsically safe for use in areas where gasoline vapors may be <br />present. "Intrinsically safe outputs for use in Class 1, Group D <br />hazardous locations." See ILL. D. <br />Ground Connection external grounding connection on the <br />console is marked "Earth Ground". <br />Substitution of Comments - The following mArking or <br />equivalent re-g-a-TUing substitution of components is marked on each <br />control unit and probe and is included in the installation <br />instructions. See <br />"WARNING - Substitution Of Components May Impair Intrinsic <br />Safety." <br />Reference to Installation Manual - The markings on t <br />console and probes make reference to the manufacturer's <br />installation manual. <br />Partitions - The internal partition which provides <br />separation bet een the intrinsically safe wiring and all other <br />wiring in the control unit is marked with the following: <br />"Secure panel in place after installation. Failure to <br />comply may result in a dangerous condition." <br />RAF/M7M:d:c <br />?C I *-) r .,. <br />4 <br />