1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of the FPBIGCHA Plumbing Temperature Sensor Immersion QAE1612 2121 2164 2174.010 (10cm). This sensor is designed for accurate temperature measurement in plumbing systems, ventilation, and refrigeration applications. Please read this manual thoroughly before using the product.
2. Safety Instructions
Always adhere to the following safety guidelines to prevent injury or damage to the device:
- Ensure all power sources are disconnected before installation or maintenance.
- Installation should be performed by qualified personnel familiar with plumbing and electrical systems.
- Do not expose the sensor to temperatures or pressures outside its specified operating range.
- Avoid physical impact or excessive force on the sensor probe.
- Use appropriate sealing materials to prevent leaks when immersing the sensor.
- Keep the device away from strong electromagnetic fields.
3. Package Contents
Verify that all items are present and undamaged upon unpacking:
- 1 x FPBIGCHA Plumbing Temperature Sensor Immersion QAE1612 2121 2164 2174.010 (10cm)
- 1 x User Manual (this document)
Note: Additional mounting hardware or connection cables may be required depending on your specific application and are typically sold separately.
4. Product Overview
The FPBIGCHA Immersion Temperature Sensor is a robust and compact device designed for precise temperature monitoring in various fluid-based systems. Its durable construction ensures reliable performance in demanding environments.

Image: FPBIGCHA Plumbing Temperature Sensor Immersion QAE1612 2121 2164 2174.010 (10cm). This image shows the compact design of the sensor, highlighting its probe and connection housing.
Key Features:
- Material: Sturdy and durable construction for long-term use.
- Compact Size: Facilitates easy installation and disassembly in confined spaces.
- Application: Widely used in ventilation, refrigeration, and general plumbing systems.
- Functionality: Designed to regulate and control dampers based on temperature readings.
- Simplified Adjustment: No need for separate connection and adjustment procedures, streamlining setup.
5. Setup and Installation
Follow these steps for proper installation of the immersion temperature sensor:
- Select Location: Choose an appropriate location in the plumbing system or ductwork where accurate temperature measurement is required. Ensure the probe can be fully immersed in the medium.
- Prepare Mounting Point: If not already present, create a suitable opening or use a thermowell for sensor immersion. Ensure the opening is clean and free of debris.
- Insert Sensor: Carefully insert the sensor probe into the prepared mounting point.
- Secure Sensor: Secure the sensor using appropriate fittings or clamps to prevent movement and ensure a watertight or airtight seal.
- Electrical Connection: Connect the sensor to the control system according to the wiring diagram provided by your system manufacturer. Ensure correct polarity and secure connections.
- Verify Installation: After installation, check for any leaks (if in a fluid system) and ensure all connections are tight and secure.
6. Operating Instructions
The FPBIGCHA Immersion Temperature Sensor operates by continuously measuring the temperature of the medium it is immersed in and transmitting this data to a connected control system. Operation is typically automatic once installed and connected correctly.
- Power On: Once installed and wired, apply power to the control system. The sensor will begin transmitting temperature data.
- Monitoring: Monitor the temperature readings on your control system interface.
- System Response: The control system will use the sensor's data to regulate connected devices, such as dampers in ventilation systems or valves in refrigeration circuits.
- No Manual Adjustment: This sensor is designed for automatic operation and does not require manual adjustment after initial setup.
7. Maintenance
The FPBIGCHA Immersion Temperature Sensor is designed for minimal maintenance. Regular checks can help ensure optimal performance:
- Visual Inspection: Periodically inspect the sensor and its connections for any signs of physical damage, corrosion, or loose wiring.
- Cleanliness: Ensure the sensor probe remains clean and free from buildup (e.g., scale, dirt) that could affect temperature accuracy. Clean gently with a soft cloth if necessary, ensuring no liquids enter the electrical housing.
- Seal Integrity: For immersion applications, regularly check the integrity of the seal around the probe to prevent leaks.
- Recalibration: If temperature readings appear inaccurate, consult your control system's manual for recalibration procedures or contact technical support.
8. Troubleshooting
If you encounter issues with your temperature sensor, refer to the following table:
| Problem | Possible Cause | Solution |
|---|---|---|
| No temperature reading | Loose or incorrect wiring No power to control system Sensor failure | Check all electrical connections Verify power supply Test sensor with a multimeter or replace |
| Inaccurate temperature reading | Sensor probe not fully immersed Buildup on probe Sensor calibration issue | Ensure full immersion Clean the sensor probe Refer to control system for calibration or contact support |
| Leaks around sensor (fluid systems) | Improper sealing Damaged fitting | Re-seal the connection with appropriate materials Replace damaged fitting |
If the problem persists after attempting these solutions, please contact customer support.
9. Specifications
The following are the general specifications for the FPBIGCHA Plumbing Temperature Sensor Immersion QAE1612 2121 2164 2174.010 (10cm):
- Model: QAE1612 2121 2164 2174.010 (10cm)
- Brand: FPBIGCHA
- Probe Length: 10cm (as per model variant)
- Application: Plumbing, Ventilation, Refrigeration
- Material: Durable construction
- Package Dimensions: Approximately 1.18 x 0.79 x 0.39 inches
- Item Weight: Approximately 2.2 pounds
- ASIN: B0F1FLVRCS
- Manufacturer Item Model Number: FPBIGCHA
Note: Specific electrical characteristics (e.g., output signal, resistance type) may vary by exact variant (e.g., PT100, PT1000, Ni1000, 0-10V, 4-20mA). Refer to your specific product's labeling or purchase details for precise electrical specifications.
10. Warranty and Support
FPBIGCHA products are manufactured to high-quality standards. For specific warranty information, please refer to the documentation provided at the time of purchase or contact your retailer. In most cases, a standard manufacturer's warranty covers defects in materials and workmanship under normal use.
Customer Support:
For technical assistance, troubleshooting, or warranty claims, please contact the seller or FPBIGCHA customer service through the contact information provided with your purchase or on the official FPBIGCHA website.