The pointer is designed for discrete electric signalling of the end positions of the shut-off valve DN 50 to 300 mm, can be used on other units and structures, where it is necessary to register the end positions of moving parts with the angle of rotation not exceeding 90.The pointer is designed for operation in conditions normalised for execution UHL, category 1.1 according to GOST 15150-69, but for operation at temperatures from minus 60 to plus 55 C and upper value of relative humidity 98% at temperature 25 C and lower temperatures without moisture condensation. Place of placement: outdoors.
The indicator has the explosion protection level "explosion-proof electrical equipment", type of explosion protection "flameproof enclosure", explosion protection marking 1 Ex d IIB T4 Gb and can be installed in hazardous areas. The pointer is not a measuring instrument, but has accuracy characteristics with mechanical change-over contacts in the microswitch P1M10-1VA.
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