When the range of the traditional temperature transmitter needs to be changed, it is generally adjusted by zeroing and adjusting two potentiometers, but these two potentiometers are the culprits causing large temperature drift of the product. With the advancement of science and technology, due to the cumbersome debugging of traditional analog temperature transmitters and poor comprehensive performance indicators, it has been unable to meet the needs of on-site users, nor can it meet the requirements of factory spare parts, but also unable to meet the needs of the sensor production plant stock demand.

Therefore, smart transmitters were born, one of which is to use CUP in the product to digitize the signal, install special software on the PC during debugging, and use data lines and modems to change the range of the temperature transmitter. And the index number; the other is in the smart product itself embedded in the HART communication board, through the HART protocol communicator to change the temperature transmitter temperature range and the index number; there are two kinds of PA agreement and FF agreement The temperature transmitter has a similar principle to the HART protocol. The application of HART, PA, and FF communication protocols makes it easier to program the product (in any location), but it increases the price of the product itself, causing a burden on the owner.

Traditional temperature transmitters, PC-programmed temperature transmitters, and HART-programmed temperature transmitters are the current choices for most plants. However, these methods have been used in the field for many years, and they often hear the user's response to debugging is too cumbersome, not every worker is equipped with a PC, even if there is a PC may not be used, because the debugging software of various manufacturers are not uniform, and very cumbersome Many factories do not have HART communicators. Transmitters are often not very convenient when they need to adjust the range. Is there a product that can change this situation?

From the visit to the idea to the trial production, the product after the reform has passed the assessment of various indicators, especially lightning protection and pulse train experiments are very good; also meet the matching needs of on-site users and sensor manufacturers; that is, intelligent The product is easy to operate. It only needs a screwdriver. Changing the position of the dialer can change its range. We will make micro-innovation for the temperature transmitter.

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