1. Introduction
The WINTACT WT8825 is a portable, handheld carbon monoxide (CO) detector designed for accurate and reliable measurement of CO gas concentrations. This device features a highly sensitive sensor, a clear display, and user-friendly controls, making it suitable for various applications where CO detection is critical. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your WT8825 detector.
2. Setup
2.1 Battery Installation
The WT8825 detector requires three (3) 1.5V AAA batteries for operation. Follow these steps to install or replace the batteries:
- Locate the battery compartment cover on the back of the device.
- Slide or unclip the cover to open the compartment.
- Insert three 1.5V AAA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
2.2 Power On/Off
Press and hold the LIGHT button (power symbol) to turn the device on or off.
3. Operating Instructions
The WT8825 features a highly sensitive sensor for quick and accurate detection of carbon monoxide. The device is equipped with an LED alarm light and soft silicone buttons for ease of use.
3.1 Basic Measurement
Once powered on, the device will automatically begin measuring CO levels. The current concentration will be displayed on the screen in PPM (parts per million) by default.
3.2 Button Functions
- LIGHT: Press briefly to toggle the display backlight on/off. Press and hold to power the device on/off.
- HOLD: Press to freeze the current reading on the display. Press again to release.
- MAX/MIN: Press to cycle through maximum, minimum, and current readings.
- UNIT: Press to change the measurement unit (e.g., PPM, %VOL, %LEL, mg/M³).
3.3 Advanced Features
The WT8825 includes several advanced functions for enhanced usability:
- Alarm Setting: Allows users to set custom alarm thresholds for CO concentration. Refer to the on-screen menu or specific button combinations for adjustment.
- Calibration: The device supports calibration to maintain accuracy. This should typically be performed by qualified personnel or according to manufacturer guidelines.
- Timed Shutdown: An automatic shutdown feature to conserve battery life.
4. Maintenance
4.1 Cleaning
Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these may damage the casing or display. Keep the sensor area clean and free from obstructions.
4.2 Battery Replacement
Replace batteries when the low battery indicator appears on the display to ensure continuous and accurate operation. Refer to section 2.1 for battery installation instructions.
4.3 Storage
When not in use for extended periods, remove the batteries to prevent leakage. Store the device in a cool, dry place within the specified environmental conditions:
- Temperature: 0~50°C (32-122°F)
- Humidity: 15~90% RH
5. Troubleshooting
If you encounter issues with your WT8825 detector, refer to the following common problems and solutions:
- Device does not power on:
- Check if batteries are installed correctly with proper polarity.
- Replace with fresh batteries.
- Inaccurate or fluctuating readings:
- Ensure the sensor area is clean and unobstructed.
- Avoid using the device in environments with extreme temperature or humidity fluctuations outside the specified range.
- Consider professional calibration if readings remain inconsistent.
- Alarm not sounding:
- Verify that alarm settings are configured correctly and thresholds are appropriate for the detected CO level.
- Check battery level.
6. Specifications
| Feature | Specification |
|---|---|
| Model Number | WT8825 |
| Type | Carbon Monoxide Analyzer |
| Measurement Range | 0~1000ppm; 0-0.1%VOL; 0~0.8%LEL; 0~1250mg/M³ |
| Maximum Overload | 2000PPM |
| Response Time | <30s |
| Operating Temperature Range | 0~50°C (32-122°F) |
| Operating Humidity Range | 15~90% RH |
| Power Supply | 3 x 1.5V AAA batteries |
| Dimensions | 67.98 x 28.47 x 119.98 mm |
| Weight (Without battery) | 111.9g |
| Warranty | 1 year |
| Customized Support | OEM, ODM |
| Place of Origin | Guangdong, China |
7. Warranty and Support
7.1 Warranty Information
The WINTACT WT8825 Carbon Monoxide Detector comes with a 1-year warranty from the date of purchase, covering manufacturing defects. This warranty does not cover damage caused by misuse, unauthorized modification, accident, or operation outside the specified environmental conditions.
7.2 Technical Support
For technical assistance, warranty claims, or service inquiries, please contact your original point of purchase or the manufacturer's customer support. Ensure you have your product model number (WT8825) and purchase details available when contacting support.
8. User Tips
Based on available information, no specific user tips from reviews or Q&A are provided at this time. Always ensure the device is used in well-ventilated areas and regularly check battery levels for optimal performance.
