Sonoff Sensor Si7021 Temperature and Humidity for Sonoff TH10 TH16 Official UK
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
Features
- Relative humidity and temperature measurement
- All calibrated, digital output
- Good long-term stability
- No additional parts required
- Ultra-low energy consumption
- The sensor is fully interchangeable
Electrical Characteristics
Rated Parameters
Parameter | Symbol | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Voltage input | VCC | 2.2 | 3.3 | 3.6 | V |
Operating temp. & Measuring range | Ta | -40 | – | +85 | ℃ |
Storage temp. | Ta | -65 | – | +150 | ℃ |
Performance parameters
Parameter | Condition | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Humidity | |||||
Operating range | 0 | — | 100 | %RH | |
Accuracy | 0-80 | — | ±2 | ±3 | %RH |
80-100 | See Figure 1 | ||||
Temperture drift | — | 0.05 | — | %RH/℃ | |
Stability | — | ≤0.25 | — | %RH/yr | |
Temperature | |||||
Operating range | -40 | — | +85 | ℃ | |
Accuracy | -10≤Ta≤85 | — | ±0.3 | ±0.4 | ℃ |
-40≤Ta≤125 | See Figure 2 | ||||
Stability | — | ≤0.01 | — | ℃/yr |
This product is for use with the Sonoff TH10 and Sonoff TH16 which can be found on my other buyhere22 listing
https://www.buyhere22.co.uk/itm/202870588796
For the full range of Sonoff products, please click here.
If you are interested in becoming a reseller for Sonoff – please contact us.
Remember we are based in the UK – NOT CHINA
6) When upgrading to 1st class post, (if the option is available), please note this is sent via Royal Mail and is not a guaranteed next day service. If you need a 48hr service please select 48hr delivery at extra cost. This will be sent via Royal Mail or courier. I do not offer a 24hr service. No weekend or public bank holiday deliveries.
7) We attempt to send out all orders received before 10.00am. This excludes weekends and public holidays.
**** Important note **** Some sellers claim the stock is in the UK, please be careful, the seller is often in China and sends the item to a UK agent who then forwards the item on with a UK stamp. Check where the seller is located not just the item location. All my items are physically with me, here in the UK and I offer a quick delivery and communication within the UK.
During busy periods there maybe a delay in delivering your package by Royal Mail. I apologies in adavnce for any inconvenience but would like to point this out before you place your order.