Relative pressure transmitter EC series

membranepiezoresistiveanalog

A pressure sensor is made up of a piezoresistor Wheatstone bridge. As shown in fig.2, the pressure is applied to the diaphragm and passes through the silicon oil onto the Wheatstone bridge. When the liquid pressure acts directly on the front face of diaphragm, the Wheatstone bridge will creates a differential voltage. This voltage difference will then be amplified to obtain a current signal of 4-20mA. When this current output is connected to an analog meter, we can scale properly to read the level of the applied liquid in a container or a vessel. The formula used here is: P= x H q q Where P is pressure, is pressure constant and H is the level of liquid in a container Feaures 1. FineTek Models include: extension cable transducer, Anti-corrosive model, flanged models & pressure transducers. 2. Can be connected to digital panel meters, recorders, PLC, signal controllers. 3. The metal diaphragm is suitable in as weak acid and alkaline liquids or sewage water treatment. 4. Our internal temperature compensation ensures long lasting reliability. 5. Customized flange/screw sizes available. Applications 1. EC1100 is a liquid measurement device which can be used in a variety of environments, including water-agitation environments. 2. EC1200 can withstand high temperature liquid environment. 3. The Standard Flange Type, EC1210 can be used in liquid & gas pressure measurement environments (i.e., mildly corrosive environments). 4. EC1300~1320 type is suitable for measurement of very deep water, such as measurement of reservoirs. 5. EC1500 is suitable for pressure measurement or control devices such as those found in hydraulic and pneumatic machines.