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Thermometer factory group WSSX series explosion-proof electric contact bimetallic thermometer

2021-01-19

JVTIA

247

WSSX series explosion-proof electric contact bimetallic thermometer shell adopts aluminium alloy made by aluminum alloy shell inside the meter may produce a spark, arc circuit and watchcase explosive gas mixture is separated, the fire so as to achieve the goal of flame-proof. Explosion-proof electric contact bimetallic thermometer product performance meet BG3836. 1 - 2000 'explosive fire on gas environment with explosion-proof electrical equipment part 1: general requirements and GB3836. 2 - 2000 'explosive fire on gas environment with explosion-proof electrical equipment part 2: flameproof electrical equipment & quot; d” 'The standard. Explosion-proof electric contact bimetallic thermometer with electric contact device - The mechanical electric contact. When the temperature measured medium, fine axis and steering transmission mechanism on the free end turns pointer and the moving contact, on the dial indicates that the change in temperature, when its and contact ( Upper and lower limit contact) Contact or disconnect the instantaneous relay and contactor in the circuit system, to achieve the goal of automatic control and alarm. WSSX series explosion-proof electric contact bimetallic thermometer is the use of round made the bimetallic strip end of the spiral tube are fixed, the other free end connected to the pointer, as the change of temperature and rotation, and drive the pointer indicates the single needle type temperature indicating thermometers. Is oil, coking, chemical industry, medicine and so on enterprise production site such as carbide at first thing in the process of the fire - 80 ~ + 500 ℃ within the scope of liquid, steam and gas medium and the temperature measurement of solid surface. The main technical parameters of the dial nominal diameter: 100 thermal response time: 40 s or less flame-proof level: DIIBT4 rated power: 10 va high working voltage: 220 v high working current: 0. 7 a explosion-proof electric contact bimetallic thermometer product selection table:

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