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Introduction Aspirating smoke detection ensures reliable fire detection in demanding application areas, where very early fire detection is required and business continuity is paramount. Aspirating smoke detectors continually draw samples of air from the areas requiring protection and evaluate these samples for…
Introduction Mass spectrometry is a powerful analytical technique used to quantify known materials, identify unknown compounds within a sample and to elucidate the structure and chemical properties of different molecules. The complete process involves the conversion of the sample into gaseous ions,…
Introduction Laser Smoke Detector senses the earliest particles of combustion. And that provides early warning of fire. Its high sensitivity is balanced with high stability to minimise false alarms. Like an ionization detector,Laser technology gives you fast response detection in high sensitivity…
Introduction Pneumatic valves control the path of the compressed air. The direction of flow is indicated by an arrow. Actuation can take place manually, mechanically, pneumatically or electrically. Automated systems generally use solenoid-actuated valves that form the interface between pneumatic and electrical…
The positive displacement pump used in reservoirs commonly works in Sucker Rod Pumping mechanism. Sucker rod pump equipment: The rotary motion of the crank is translated to a reciprocating motion of the polished rod by the Pitman and the walking beam; the…
What is a sensor and How it works? A sensor is a device that detects and responds to some type of input from the physical environment. The specific input could be light, heat, movement, humidity, pressure,flow etc.The purpose of sensors is to…
Introduction Electronic temperature sensors come in two basic varieties: resistance devices and voltage devices. A resistance device is one in which the resistance varies with temperature. Resistance devices can be further classified as a PTC (Positive Temperature Coefficient) device, or an NTC…
Introduction There are two basic actions of PID with respect to the control direction of MV. These are direct action and reverse action. Direct action will lead the MV to increase when the PV is larger than the SV.(For example, cooling application)·…
Introduction Sensors used to measure vibration come in three basic types: displacement, velocity, and acceleration. Displacement sensors measure changes in distance between a machine’s rotating element and its stationary housing (frame). Displacement sensors come in the form of a probe that threads…
Pneumatic Actuators A set of devices into with one or more pneumo engines, which are determined to start mechanisms or some other objects by means of pressed working gas is called pneumatic actuator,or pneumo actuator.The devices intended for transformation of potential and kinetic…