1. Koniec produktuview
The AMONIDA TB446 SHT30 is a high-precision digital temperature and humidity sensor module designed for various applications requiring accurate environmental monitoring. It features a real I2C interface for communication and provides fully calibrated, linearized, and temperature-compensated digital output.
This sensor is compatible with both 3V and 5V microcontrollers, making it versatile for integration into different systems. It offers a wide measurement range for both temperature and humidity, ensuring reliable data collection.

Figure 1: Two AMONIDA SHT30 Temperature Humidity Sensor modules with their respective connecting cables, illustrating the compact design and wiring.
2. Główne cechy
- Wyjście cyfrowe: Provides fully calibrated, linearized, and temperature-compensated digital signals.
- Interfejs I2C: Real I2C communication with speeds up to 1MHz.
- Szeroki zakrestage Kompatybilność: Operates with 2.5V to 5.5V DC power supply.
- Zakres temperatur: Measures from -40°C to 125°C (operational environment -40°C to 80°C due to cable/shell limitations).
- Zakres wilgotności: Measures 0% to 100% Relative Humidity (RH).
- Wysoka dokładność: ±0.2°C for temperature, ±2% RH for humidity.
- Złącze standardowe: XH2.54 4P terminal for easy connection.

Figure 2: The SHT30 sensor module shown against a circuit board background, emphasizing its digital output capabilities with calibration, linearization, and temperature compensation.
3. Konfiguracja i połączenie
Follow these steps to properly connect your AMONIDA TB446 SHT30 sensor:
- Zidentyfikuj połączenia: The sensor uses an XH2.54 4P terminal. The wires are typically color-coded for easy identification:
- Czerwony: VCC (Power Supply, 2.5V-5.5V DC)
- Czarny: GND (uziemienie)
- Żółty: SDA (I2C Data Line)
- Biały: SCL (I2C Clock Line)
- Podłącz zasilanie: Connect the Red wire to your microcontroller's 2.5V-5.5V DC power output and the Black wire to the microcontroller's Ground (GND).
- Connect I2C Interface: Connect the Yellow wire (SDA) to your microcontroller's I2C Data pin and the White wire (SCL) to your microcontroller's I2C Clock pin. Ensure your microcontroller's I2C pins are properly configured.
- Bezpieczne połączenia: Ensure all connections are firm and correctly aligned to prevent short circuits or improper data transmission.
The I2C address for the SHT30 sensor is 0x44.
4. Instrukcja obsługi
Once connected, the SHT30 sensor communicates via the I2C protocol. You will need to write code for your microcontroller (e.g., Arduino, Raspberry Pi) to interact with the sensor.
- Initialize I2C: In your code, initialize the I2C communication bus on your microcontroller.
- Send Measurement Commands: Send appropriate I2C commands to the sensor to initiate a temperature and humidity measurement. Refer to the SHT30 datasheet for specific command details (e.g., single shot measurement, periodic measurement).
- Odczyt danych: After a measurement is complete, read the digital output data from the sensor via the I2C bus. The sensor will provide raw digital values for temperature and humidity.
- Convert Data: Convert the raw digital values into meaningful temperature (°C or °F) and humidity (%RH) readings using the conversion formulas provided in the SHT30 datasheet. Many libraries for common microcontrollers handle this conversion automatically.

Figure 3: The SHT30 sensor module displayed with a focus on its humidity measurement range of 0-100% RH, set against a digital circuit background.
5. Konserwacja
The AMONIDA TB446 SHT30 sensor is designed for reliable operation with minimal maintenance. Observe the following guidelines:
- Warunki środowiskowe: While the sensor itself can measure up to 125°C, the external shell and connecting wires are rated for -40°C to 80°C. Ensure the sensor is operated within this environmental temperature range to prevent damage to the housing or cables.
- Czystość: Keep the sensor clean and free from dust, dirt, or moisture accumulation on the sensing element, as this can affect accuracy. Use a soft, dry cloth for cleaning if necessary. Avoid using liquids or abrasive materials.
- Ochrona fizyczna: Protect the sensor from physical impact or excessive mechanical stress.
- Składowanie: When not in use, store the sensor in a dry, non-condensing environment within its specified temperature range.
6. Rozwiązywanie Problemów
If you encounter issues with your SHT30 sensor, consider the following troubleshooting steps:
- No Readings or Incorrect Readings:
- Sprawdź okablowanie: Verify that all connections (VCC, GND, SDA, SCL) are correctly made and secure.
- Zasilanie: Ensure the sensor is receiving adequate power (2.5V-5.5V DC).
- Adres I2C: Confirm that the I2C address (0x44) in your code matches the sensor's address.
- I2C Pull-ups: Ensure your I2C bus has appropriate pull-up resistors (typically 4.7kΩ) on SDA and SCL lines, if not already provided by your microcontroller board.
- Logika kodu: Review your microcontroller code for correct I2C initialization, command sending, and data reading/conversion.
- Ograniczenia środowiskowe: Check if the sensor is operating outside its specified environmental temperature or humidity range, which can affect performance.
- Odczyty przerywane:
- Luźne połączenia: Re-check all wiring for any loose contacts.
- Hałas: Ensure the sensor and its wiring are shielded from excessive electrical noise, especially in industrial environments.
7. Specyfikacje

Figure 4: The SHT30 sensor module with its connecting cable, illustrating the approximate cable length of 36 cm (14.2 inches).
| Parametr | Wartość |
|---|---|
| Model | TB446 SHT30 |
| Objętość roboczatage | 2.5 V - 5.5 V prądu stałego |
| Typ wyjścia | IIC Digital Signal |
| Interfejs wyjściowy | XH2.54 4P Terminal |
| Zakres pomiaru temperatury | -40°C do 125°C |
| Recommended Operating Temperature (due to shell/line) | -40°C do 80°C |
| Zakres pomiaru wilgotności | Wilgotność względna od 0% do 100% |
| Dokładność temperatury | ±0.2°C |
| Dokładność wilgotności | ±2% wilgotności względnej |
| IIC Address | 0x44 |
| Długość kabla | Około 36 cm (14.2 cali) |
8. Gwarancja i wsparcie
For warranty information and technical support, please refer to the documentation provided with your purchase or contact AMONIDA customer service. Keep your purchase receipt for warranty claims.