Air temperature and humidity sensor SHT40, 1m

Product detailed description

The SHT 40 air temperature and humidity sensor is a top-notch digital sensor from the renowned Swiss company Sensirion. It offers high measurement accuracy and reliability, making it ideal for demanding applications such as air conditioning, industrial metering or smart homes.

Thanks to its robust construction and high-quality housing, the sensor provides fast response, low hysteresis, and long-term stability. If you're looking for a precise temperature and humidity measurement solution with easy connectivity, the SHT40 is the obvious choice!

Sensor Refresh:

• We recommend that you refresh the sensor before the first start-up to remove any contamination and ensure that the sensor measures within the specified parameters. The refresh procedure consists of starting the internal heating of the sensor at a temperature of approximately 120°C for approximately 90 minutes until the measured humidity value drops to approximately 0–100 % RH. It is better to perform this procedure in a room with a humidity of about 50% RH and a temperature of about 23°C. Depending on the temperature and humidity in the room, the procedure time may vary. For this purpose, we have created a program for Arduino, where its basic properties are incorporated into the control of the internal heating and simultaneous measurement of the current humidity value. When the measured humidity drops to 5% RH, the cycle stops and switches to the standard measurement. The accurate values are then available after the sensor has cooled down to ambient temperature.
• This procedure can be used even if the sensor stops measuring the correct values over time.

Specifications:

• Power: 1.1-3.6V DC - typically 3.3V DC
• Resolution: 16bit
• Temperature measurement range: -40-125°C
• Temperature measurement resolution: 0.01°C
• Temperature measurement accuracy: ±0.2°C
• Humidity measurement range: 0-100% RH
• Humidity measurement resolution: 0.01 RH
• Humidity measurement accuracy: ±1.8% RH
• Conductors: red = VCC, black = GND, yellow = SCL, green = SDA
• Sensor body material: chrome plated brass
• Cable length: 100cm, with connector 103cm
• Dimensions: ø13x40mm

Scope of Delivery:

• 1pc Temperature and humidity sensor SHT40, 1m

Note:

• Before first use, it is necessary to activate the internal heating element for a minimum of one hour to dry the sensor.
• This product is not a standalone functional unit and may require professional installation.
• Product images are for illustrative purposes only and may sometimes differ from the actual appearance of the item. However, this does not change their basic properties.