User Manual Q&AAnswer
Sep 02, 2025 - 11:09 AM
To connect and set up the AVT 3122 Digital LED Display Thermometer, follow these steps based on the provided manual:
1. Power Supply:
- Connect a DC voltage source within the range of 7 to 15V to the POWER connector of the thermometer.
- Ensure the power supply can deliver a minimum current of 0.3A.
- Use any DC power supply unit with the required specifications.
2. Sensor Connection:
- Attach the waterproof temperature sensor to the thermometer using the xxxx connector on the PCB.
- Connect the yellow sensor cable to the 1W pin and short and connect the black and red cables to the GND pin as indicated in Figure 2 of the manual.
3. Assembly Steps:
- Follow the assembly instructions provided in the manual, starting from soldering the smallest components and progressing to the largest ones.
- Connect both PCBs together using the angled goldpins after assembly.
- Ensure components are placed correctly and soldered properly to avoid any issues.
4. Troubleshooting Tips:
- If the thermometer does not operate after assembly, check for proper soldering of components and correct placement.
- Verify the power supply voltage and current meet the requirements specified in the manual.
- Ensure the sensor is connected correctly and securely to the thermometer.
- If there are any discrepancies in temperature readings or display issues, refer to the troubleshooting section of the manual for further guidance.
By following these steps and guidelines from the manual, users can effectively connect and set up the AVT 3122 Digital LED Display Thermometer for accurate temperature measurement within the specified range.
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