Explosion-proof Temperature Transmitter
Commonly Measured Media
Measured media includes gas, liquid, steam and so on.
Classified by media type
| Category | Typical Media | Typical Scenarios / Description |
| Flammable / Toxic Gases | Natural gas, hydrogen, acetylene, methane, coal gas (coke oven / blast furnace gas), hydrogen sulfide, carbon monoxide, chlorine, ammonia | Temperature measurement at inlet and outlet of pipelines, storage tanks, compressors, and gas transmission pipelines |
| Petroleum / Refined Oil | Crude oil, gasoline, diesel oil, naphtha, heavy oil, residual oil, asphalt, heat conduction oil | Refinery units, storage and transportation tank farms; heavy oil / asphalt has high viscosity, so attention shall be paid to the selection of temperature measurement sleeves and coke removal |
| Chemical liquids | Various acid, alkali and salt solutions, organic solvents (benzene, toluene, methanol, ethanol), and liquid ammonia | Reactors, storage tanks, pipelines; for corrosive media, 316L stainless steel, Hastelloy, PTFE coatings or ceramic sleeves shall be selected |
| Steam | Saturated steam and superheated steam | Boilers, steam turbines, heating pipe networks; pay attention to the pressure bearing capacity of casings under high-temperature and high-pressure working conditions |
| Water Category | Cooling water, circulating water, boiler feed water, sewage, fire water | Under normal operating conditions, ordinary materials are an option for price-sensitive scenarios |
| Cryogenic / Low-temperature Medium | Liquefied Natural Gas (LNG), liquid nitrogen, liquid oxygen, liquid argon | Air separation units, LNG stations; low-temperature sensors and special seals are required |
| Food / Pharmaceutical Media | Purified water, water for injection, CIP/SIP cleaning solution, and feed solution | Sanitary clamp connection, with material requirements complying with FDA / sanitary standards |
| high-temperature heat medium | Molten salt, high-temperature flue gas, furnace/kiln temperature | Metallurgy, solar thermal power generation, incinerators; commonly used thermocouples (Type K/S) equipped with wear-resistant or ceramic protective tubes |
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