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DS18B20


Rs.150

Availibility : In Stock
Warranty : None

Model : RKI-1085
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The DS18B20 Digital Thermometer provides 12–bit centigrade temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18B20 communicates over a 1-wire bus that by definition requires only one data line (and ground) for communication with a central microprocessor/microcontroller. It has an operating temperature range of –55°C to +125°C and is accurate to ±0.5°C over the range of –10°C to +85°C. In addition, the DS18B20 can derive power directly from the data line (“parasite power”), eliminating the need for an external power supply.

Each DS18B20 has a unique 64-bit serial code, which allows multiple DS18B20s to function on the same 1–wire bus; thus, it is simple to use one microprocessor to control many DS18B20s distributed over a large area. Applications that can benefit from this feature include HVAC environmental controls, temperature monitoring systems inside buildings, equipment or machinery, and process monitoring and control systems.


Features

  • Calibrated directly in ° Celsius (Centigrade)
  • Unique 1-wire interface requires only one port pin for communication
  • Each device has a unique 64-bit serial code stored in an on-board ROM
  • Multi-drop capability simplifies distributed temperature sensing applications
  • Requires no external components
  • Can be powered from data line. Power supply range is 3.0V to 5.5V
  • Measures temperatures from –55°C to +125°C (–67°F to +257°F)
  • ±0.5°C accuracy from –10°C to +85°C
  • 12-bit thermometer resolution
  • Converts temperature in 750 ms (max.)
  • User-definable nonvolatile alarm settings
  • Alarm search command identifies and addresses devices whose temperature is outside of programmed limits(temperature alarm condition)
  • Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system

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DS18B20 Datasheet

DS18B20
Rs. 150 In Stock
The DS18B20 Digital Thermometer provides 12–bit centigrade temperature measurements and has an alarm function with nonvolatile user-programmable upper and l
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