1. Okwu mmalite
The AUTOOL LM55 is a versatile digital temperature clamp meter designed for precise temperature measurement in various applications. It features a high-precision sensor, real-time temperature display, data waveform visualization, and historical data storage. This manual provides essential information for the safe and effective use of your LM55 device.

2. Nkọwapụta
The following table outlines the technical specifications of the AUTOOL LM55 Digital Temperature Clamp Mita:

| Njirimara | Nkọwapụta |
|---|---|
| Nrụ ọrụ Voltage | 4.5V (3 x 1.5V batteries) |
| Na-arụ ọrụ ugbu a | <30mA |
| Nnwale nso | -50°C ruo 260°C |
| Okpomọkụ ziri ezi | ±0.3C |
| Okpomọkụ na-arụ ọrụ | -10°C ruo 70°C |
| Oke ihuenyo | 0.96-inch LCD screen with backlight (80RGB x 160 dots) |
| Akụkụ ngwaahịa | 180 x 100 x 35mm (7.09 x 3.94 x 1.38 sentimita) |
| Ihe nchịkọta | 125 x 50 x 210mm |
The device features a high-precision temperature sensor, ensuring an error margin within ±0.3°C.

The 0.96-inch TFT color screen provides clear display of information from all angles, with a resolution of 80RGB x 160 dots.

3. Nhazi
- Iwepu: Carefully remove the LM55 Digital Temperature Clamp Meter from its packaging. Verify that all components are present.
- Nwụnye batrị: The device requires 3 x 1.5V batteries. Locate the battery compartment, typically on the back or side of the unit. Insert the batteries, ensuring correct polarity.
- Ike Na: Press and hold the power button (usually marked with a power symbol) to turn on the device. The color screen should illuminate.

4. Ntuziaka ọrụ
The AUTOOL LM55 is designed for user-friendly operation. Follow these steps for accurate temperature measurements and data management.
4.1 Real-time Temperature Measurement
- Ike Na: Gbaa mbọ hụ na agbanyere ngwaọrụ ahụ.
- Clamp onto Object: Mepee clamp jaws and securely attach the meter to the object or pipe whose temperature you wish to measure. Ensure good contact for accurate readings.
- Gụọ ihe ngosi: The current temperature will be displayed in real-time on the screen. The measurement range is from -50°C to 260°C.

4.2 Data Waveform Display
The device can display temperature data as a waveform, providing a visual representation of temperature changes over time.
- Access Waveform Mode: Navigate to the "Wave" or "REC" option on the screen using the navigation buttons.
- View Ebugharị: The screen will show a real-time display of the temperature/time curve.

4.3 Data akụkọ ihe mere eme Viewing
The LM55 can store up to 8 sets of waveform data, each lasting 150 seconds, allowing users to review past measurements.
- Access History Mode: Navigate to the "Save" or "REC" option on the screen.
- Browse Records: Use the navigation buttons to select and browse through the stored records (e.g., Record_1 to Record_8).

4.4 Mgbanwe nkeji
You can switch between Celsius (°C) and Fahrenheit (°F) temperature units.
- Ntọala nnweta: Navigate to the "Setup" or "Unit" option on the screen.
- Change Unit: Use the navigation buttons to toggle between °C and °F.
4.5 Adjustable Brightness
The screen backlight brightness can be adjusted from 0% to 100% to suit different lighting conditions.
- Access Brightness Settings: Navigate to the "Setup" or "Bright" option on the screen.
- Gbanwee ihie: Use the navigation buttons to increase or decrease the backlight intensity.

4.6 Video ngosi ngwaahịa
For a visual guide on the operation and features of the AUTOOL LM55, please watch the official product video below:
5. Nlekọta
- Nhicha: Jiri akwa dị nro dị nro hichaa ngwaọrụ ahụ. Ejila ihe nchacha abrasive ma ọ bụ ihe mgbaze.
- Nchekwa: Store the LM55 in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, remove the batteries to prevent leakage.
- Ngbanwe batrị: Replace batteries when the low battery indicator appears on the screen to ensure accurate readings and proper device function.
- Nlekọta ihe mmetụta: Debe ihe clamp jaws and sensor area clean and free from debris to maintain measurement accuracy.
6. Nchọpụta nsogbu
- Ngwaọrụ anaghị agbanye:
- Lelee nrụnye batrị ma hụ na batrị anaghị agwụcha. Dochie ma ọ dị mkpa.
- Ọgụgụ okpomọkụ na-ezighi ezi:
- Gbaa mbọ hụ na clamp jaws are making good contact with the object. Clean the sensor area if there is any dirt or residue. Verify the operating temperature range of the device is suitable for your environment.
- Screen is dim or unreadable:
- Adjust the screen brightness settings as described in Section 4.5. Check battery level.
- Cannot record or view historical data:
- Ensure you are following the steps in Section 4.3 correctly. The device stores a limited number of records; older records may be overwritten.
7. Ndụmọdụ onye ọrụ
- For consistent readings, ensure the clamp is fully closed around the measurement point.
- When measuring pipes, try to clamp onto a clean, uninsulated section for best thermal transfer.
- Utilize the data waveform display to observe temperature trends over time, which can be useful for diagnosing system performance.
8. Akwụkwọ ikike na nkwado
The AUTOOL LM55 Digital Temperature Clamp Meter comes with a 3-year warranty, ensuring quality and reliability.

For technical support, warranty claims, or further assistance, please contact AUTOOL Direct Store customer service. Refer to your purchase documentation for specific contact details.