List and explain the types of instrumentation is provided for safe plant operation.

List and explain the types of instrumentation is provided for safe plant operation.
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Answer :

Instrumentation provided for safe plant operation: After understanding various types of chemical hazards in foregoing parts, we should process to know instruments, equipment and other control measure. To maintain, control, measure, alarm and record process parameters, various industrial instruments and safety devices are used. Their proper selection, application and maintenance are most important. Some instruments are mentioned below. 

Basic Instruments: Anemometer; barometer, bolometer, pyrometer, pressure gauges, Atomometer, calorimeter, dilatometer, hydrometer, thermocouple etc.

Specific instruments: Gas/Fume/Vapour detector & alarm leakage warning instrument. This is an electrical instrument Having a sensor and audible alarm to give warning, when preset, air gas mixture exceeds the set TLV or LEL limit. It detects flue gases, LPG, smoke, petrol vapours, Paraffin fumes, hydrocarbons, ammonia, Freon, hexane, acetone, benzene, chloroform fumes, CO2, H2S, methane, solvent vapours and many poisonous /explosive gases, various type of glass detector hand models are also available.
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