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Expert Thermocouple & RTD &Temperature Sensor Manufacturer.

Digital temperature sensor DS18B20 is introduced

DALLAS the latest single line digital temperature sensor DS18B20 introduction 'new' 1-wire devices smaller and wider applied voltage and more economic.

Maxim mation Dallas semiconductor, digital temperature sensor DS1820 is the world's first piece of support '1-wire bus' interface temperature sensor. Unique 1-wire bus and the characteristic of economic, the user can easily form a sensor network, for the construction of measurement system is introduced into a completely new concept. DS18B20, DS1822 '1-wire bus' with digital temperature sensor DS1820, DS18B20 also supports '1-wire bus' interface, measuring temperature range for - 55℃— + 125 ℃, in - 10℃— To + 85 ℃ range, accuracy of + 5 ℃.

DS1822 poor precision of plus or minus 2 ℃. The scene temperature directly with '1-wire bus' way of digital transmission, and greatly improve the anti-interference of the system. Suitable for bad environment field temperature measurement, such as: environmental control, device, or process control, temperature measuring consumer electronics etc. Unlike previous generation products, new product support 3 v ~ 55 v voltage range, the system design more flexible and convenient. And a new generation of products is more cheaper, smaller.

can DS18B20, the features of DS1822 DS18B20 procedures set the resolution of the 9 ~ 12, accuracy of + / - 5 ℃. Optional smaller encapsulation way, wider voltage scope. Resolution setting, and the user to set the alarm temperature in the block are stored in EEPROM, after power off still preserved. DS18B20's performance is the best in a new generation of products, cost performance is very good.

DS1822 compatible with DS18B20 software, is a simplified version of DS18B20. Omitted to store user defined alarm temperature, resolution parameter block of EEPROM, reduced accuracy to + 2 ℃, suitable for performance requirements is not high, the application of strict cost control, is economical products. After '1-wire bus' early products of DS1820 opened up a new concept of temperature sensor technology. DS18B20 and DS1822 voltage, features and packaging have more choice, let us can build a suitable for their own economic temperature measuring system.

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