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Overview

This digital sensor hat creates a simple interface for measuring humidity, pressure, and temperature. The HTU21D sensor is a self-contained humidity and temperature sensor that is fully calibrated during manufacturing. The sensor can operate from 1.5V to 3.6V, has selectable resolution, low battery detection, and checksum capability. The HTU21D has a low power stand-by mode for power-sensitive applications. The MS5637 sensor is a self-contained pressure and temperature sensor that is fully calibrated during manufacturing. The sensor can operate from 1.5V to 3.6V. The sensor module includes a

high-linearity pressure sensor and an ultra-low power 24-bits ΔΣ ADC with internal factory-calibrated coefficients. The temperature system sensor -TSYS-01 series is a self-contained temperature sensor that is fully calibrated during manufacturing. The sensor can operate from 2.2V to 3.6V. The TSYS01 has a low power stand-by mode for power-sensitive applications. The TSD305-1C55 is a contactless temperature measurement system located in a TO5 package. The TSD includes an infrared sensor (thermopile) and a sensor signal conditioner.
 

PERFORMACE

  • 0% to 100% relative humidity range (HTU21D sensor)
  • Operating pressure range: 300 to 1200 mbar (MS5637 sensor)
  • Measures temperature from -40°C to +125°C, accuracy from 0.1°C to 0.5°C (TSYS0101 sensor)
  • Contactless temperature measurement from 0°C to +100°C (TSD305-1C55)
raspberry pi weathershield schematic

Schematic - MEAS WEATHER SHIELD FOR RASPBERRY PI

Dimensions (mm) MEAS WEATHER SHIELD FOR RASPBERRY PI MOTHERBOARD

Dimensions (mm) MEAS WEATHER SHIELD FOR RASPBERRY PI MOTHERBOARD

Humidity Sensor

HTU21D
  • Measures relative humidity from 0% to 100%
  • Measures temperature from -40°C to +125°C
  • I2C communication
  • Fully calibrated
  • Fast response time
  • Selectable resolution 8/12-bits resolution for humidity; 11/14-bits resolution for temperature)
  • Very low power consumption

Pressure Sensor

MS5637
  • Measures pressure from 300 mbar to 1200 mbar
  • Measures temperature from -40°C to +125°C
  • I2C communication
  • Fully calibrated
  • Fast response time
  • Very low power consumption  

Temperature Sensor

TSYS01
  • Measures temperature from -40°C to +125°C
  • I2C communication
  • Fully calibrated
  • Fast response time
  • Very low power consumption
  • 24/16-bits resolution for temperature 

Thermopile Temperature Sensor

TSD305-1C55
  • Measures temperature from 0°C to +100°C
  • I2C communication
  • Contactless temperature measurement
  • Fully calibrated
  • Up to ±1°C accuracy
  • Operating Temperature Range: -10°C to +85°C
  • Low current consumption

Features

Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Sensor Development & Evaluation Product Type  Shield for Raspberry Pi

  • Sensor Development & Evaluation Type  Humidity, Pressure, Temperature

Reference Number

  • TE Internal Number CAT-DCS0036

Related Materials

Datasheets & Catalog Pages

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