Sonoff Si7021 Sensor Forstør

Sonoff Si7021 Sensor


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Yderligere information

Sonoff Si7021 Temperature and Humidity Sensor is a digital temperature and humidity sensor with a calibrated digital signal output. It adopts dedicated digital module acquisition technology and temperature&humidity sensing technology to ensure that the sensor has a very high reliability and excellent long-term stability. The sensor includes an integrated single-chip temperature and humidity sensor chip, which connects to a high-performance 8-bit MCU. The Si7021 sensor has advantages such as excellent quality, ultra-fast response, anti-interference ability and cost-effective. The sensor has 2.5mm 4-pole stereo audio male plug connector, which works perfectly with Sonoff TH10/TH16

Rated Parameters

Voltage inputVCC2.23.33.6V
Operating temp. & Measuring rangeTa-40-+85
Storage temp.Ta-65-+150

Performance parameters

Operating range0100 %RH
Accuracy0-80±2±3 %RH
80-100See Figure 1
Temperture drift0.05 %RH/℃
Stability≤0.25 %RH/yr
Operating range-40+85
-40≤Ta≤125See Figure 2

Si7021 hum figure 1.jpg

Figure 1. RH Accuracy at 30℃

Si7021 temp figure 2.jpg

Figure 2. Temperature Accuracy


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