7Semi SHT40 Humidity and Temperature Sensor Probe I2C (Plastic)

7Semi
SKU
ES-13525

Measures temperature and relative humidity through an I²C sensing probe.

7Semi SHT40 Humidity and Temperature Sensor Probe I2C (Plastic)

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$9.40
20 in stock

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About this product

The 7Semi SHT40 Humidity and Temperature Sensor I²C Probe is a compact digital environmental sensing solution designed for reliable temperature and relative humidity monitoring. Built around the Sensirion SHT40, it provides +/-0.2 C typical temperature accuracy and +/-1.8% RH typical humidity accuracy, making it suitable for HVAC systems, environmental monitoring, smart buildings, data logging, IoT devices, and industrial applications.

The probe communicates through a digital I2C interface with a fixed 0x44 address and supports a full 0–100% RH measurement range. The complete probe is designed for an operating temperature range of −10°C to +70°C, providing a practical operating range for long-term environmental monitoring.

The sensing assembly features a ventilated plastic sensing cap that allows ambient air to reach the sensing element while the probe enclosure provides mechanical protection to the internal sensing assembly. Its 1 m remote cable allows flexible placement of the sensing point away from the host electronics.

Key Features

  • High-Accuracy Temperature Measurement: Provides +/-0.2 C typical accuracy for reliable environmental temperature monitoring.
  • High-Accuracy Humidity Measurement: Provides +/-1.8% RH typical accuracy across a 0–100% RH measurement range.
  • −10 C to +70 C Probe Operating Range: Designed for reliable temperature and humidity monitoring across a wide range of environmental applications.
  • Digital I2C Interface: Provides direct digital measurements for easy integration with microcontrollers, data loggers, and monitoring systems.
  • Fixed I2C Address: Uses a fixed 0x44 I2C address for simple and consistent communication with the host controller.
  • Integrated Heater: Features an internal heater to support reliable operation under high-humidity and condensation-prone conditions.
  • Ventilated Probe Design: The sensing cap features openings that allow ambient air to reach the sensing element for effective temperature and humidity measurement.
  • Protected Sensing Assembly: The probe enclosure provides mechanical protection to the internal sensing element while maintaining the airflow required for measurement.
  • Remote Probe Design: Features a 1 m cable for flexible positioning of the sensing point away from the host electronics.

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