Shanghai Feilong Meters & Electronics Co, Ltd. is a provincial advanced enterprise, and a manufacture base of temperature sensors and temperature control instruments. We have together developed and formed a series of PR thermocouple (thermal resistances) and temperature control electronics with many R & D institutions and academies in Shanghai; they are salable in all over the country and world with the advantage in cost performance. Our products always have famous reputation in the market and win customers ‘trust as a result of excellent performance, nice appearance, high reliability, advanced technology, and good cost performance.

In 2000, we passed ISO9001:2008 Quality System Certificate and then obtained CE Certification. Our self-developed energy-efficient AC contactor obtained national invention patent and a number of utility patents, as well as China Compulsory Certification. This product has good energy saving effect, long service life and noiseless, and has participated in setting national standard GB21518-2008 .

THERMOCOUPLE AND RTD SENSOR

Resistance thermometers, also called resistance temperature detectors (RTDs), are sensors used to measure temperature by correlating the resistance of the RTD element with temperature. Most RTD elements consist of a length of fine coiled wire wrapped around a ceramic or glass core. The element is usually quite fragile, so it is often placed inside a sheathed probe to protect it. The RTD element is made from a pure material, typically platinum, nickel or copper. The material has a predictable change in resistance as the temperature changes and it is this predictable change that is used to determine temperature. They are slowly replacing the use of PR thermocouple in many industrial applications below 600 °C, due to higher accuracy and repeatability.

We, here, as well offer pressure transmitter. It is a device for pressure measurement of gases or liquids. Pressure is an expression of the force required to stop a fluid from expanding, and is usually stated in terms of force per unit area. A pressure sensor usually acts as a transducer; it generates a signal as a function of the pressure imposed.

In recent times we have developed thermocouples for particular conditions, such as solutions of liquid steel, copper water, aluminum water, and zinc water, as well as salt furnace; the thermocouples applied under special environment as cement plant and power plant, which have high accuracy and long service life; new type anti-oxidation tungsten-rhenium thermocouple with low cost and high temperature measurement, which is the ideal product displacing platinum-rhodium thermocouple, some products have reached military level. New products of wireless temperature control and measurement solved the problem for the places where are not convenient for wiring.

In 2013, we have obtained National explosion-proof production qualification certificate for explosion-proof thermocouple and thermal resistance and National Good Standardizing Practice Certificate. PTFE tube, plate, bar, gasket, and irregular part produced by our company are ideal products against strong acid, strong alkali, corrosion, and high temperature, which are green, environmental and widely used.

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