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Temperature Sensor - Waterproof (DS18B20)

by OEM

This sealed digital temperature probe lets you precisely measure temperatures in wet environments with a simple 1-Wire interface.

11-00010420
Gross Weight: 0.02kg
Company: OEM
Made in: China
Πληροφορίες: Το προϊόν είναι εξάρτημα και δεν αποτελεί έτοιμη συσκευή.
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DESCRIPTION

This sealed digital temperature probe lets you precisely measure temperatures in wet environments with a simple 1-Wire interface. The DS18B20 provides 9 to 12-bit (configurable) temperature readings over a 1-Wire interface, so that only one wire (and ground) needs to be connected from a central microprocessor.

SPECIFICATIONS

Sensor Type:
  • Temperature
Typical Input Voltage:
  • 3VDC
  • 3.3VDC
  • 5VDC
  • 5.5VDC
Oparating Current:
1.5mA
Interface:
  • Digital
Communication Protocol:
  • Dallas 1-Wire

Notes

  • Συνήθως για την σύνδεση με μικροελεγκτή απαιτείται μια αντίσταση 4.7Kohm.
  • Ακριβώς ο ίδιος αισθητήρας σε τεχνικά χαρακτηριστικά με τον DS18B20 τοποθετημένος σε ένα μεταλλικό περίβλημα.

EXTRA SPECIFICATIONS

  • Temperature measuring range -55...125°C (–67°F to +257°F)
  • Temperature measurement accuracy: ±0.5°C (–10°C to +85°C)
  • Working Voltage: 3.0V - 5.5V
  • Case TO92
  • Mounting THT

FEATURES

  • Unique 1-Wire® interface requires only one port pin for communication
  • Each device has a unique 64-bit serial code stored in an onboard ROM
  • Multidrop capability simplifies distributed temperature sensing applications
  • Requires no external components
  • Thermometer resolution is user-selectable from 9 to 12 bits
  • Converts temperature to 12-bit digital word in 750ms (max.)
  • User-definable nonvolatile (NV) 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

Dimensions

  • Probe is 7mm in diameter and roughly 26mm long. Overall length (including wire) is 160cm.