Thermocouple, RTD basic characteristics
Thermocouple, RTD basic characteristics
Microcyber corporation, mainly engaged in fieldbus technology as the core of advanced industrial control devices, instrumentation, systems, chips and software research, development, production and engineering applications. rtakes a number of national scientific and technological research, high-tech industrialisation demonstration and "863" projects, and is the supporting unit of the National Engineering Research Centre of Networked Control System. ZKBM has successfully developed the first and third internationally certified FF H1 fieldbus protocol stack in China, the first set of industrial Ethernet protocol (HSE) in China, the first nationally certified intrinsically safe and explosion-proof fieldbus instrumentation and safety barriers in China, and participated in the formulation of the first Ethernet-based factory automation protocol standard (EPA) and the first industrial wireless communication standard (WIA-PA) in China.WIA-PA.
Thermocouples and RTDs are usually used with display instruments and computers to directly measure the temperature of liquid, vapour and gas media as well as solid surfaces in a variety of production processes within the range of -200~+1800℃. Due to its simple structure, accurate temperature measurement, low price and convenient maintenance, it is widely used in petroleum, chemical, metallurgy, electric power, machinery, food, plastics, heat treatment and other industrial sectors, and it is the most simple and reliable commonly used thermocouple. Reliable and commonly used contact temperature sensor.
Thermocouples and RTDs can be divided into two categories, assembled and armoured, according to the structure of the measuring element. Due to the poor shock resistance of the assembled products within the lead, components are susceptible to contamination, so the damage rate is high, the stability is not good, foreign countries have been rarely used, generally retained for the measurement of high temperature precious metal thermocouples; armouring structure is the heat electrode or lead, insulating materials (generally high-purity magnesium oxide powder) and metal casing of the three by the pulling of the formation of a solid entity, which has a small diameter, can be bent, high pressure, vibration resistance, fast thermal response and high reliability. It has the advantages of small diameter, bendable, high pressure resistance, vibration resistance, fast thermal response and high reliability.
It has the advantages of small diameter, bending, high pressure resistance, vibration resistance, fast thermal response and high reliability, and has been widely adopted in the international advanced technology.
