1. Introduction
This manual provides detailed instructions for the safe and effective use of the PeakTech P 4980 Dual Laser Pointer IR Thermometer. This device is designed for non-contact temperature measurements across a wide range, from -50 to +800 °C. It features dual laser pointers for precise targeting of the measurement area. Please read this manual thoroughly before operating the device and keep it for future reference.

Image 1.1: The PeakTech P 4980 Dual Laser Pointer IR Thermometer, showing its ergonomic design and display.
2. Safety Information
Always observe the following safety precautions to prevent injury and avoid damage to the device:
- Laser Safety: This device uses Class 2 lasers. Do not stare directly into the laser beam or direct it at people or animals. Avoid direct eye exposure.
- Operating Environment: Do not use the thermometer in environments with explosive gases, vapor, or dust.
- Temperature Limits: Do not expose the device to extreme temperatures outside its specified operating range.
- Maintenance: Only qualified personnel should perform repairs. Do not attempt to modify the device.
- Cleaning: Use a soft, dry cloth for cleaning. Do not use abrasive cleaners or solvents.
- Battery Handling: Ensure correct battery polarity. Remove batteries if the device will not be used for an extended period. Dispose of batteries according to local regulations.
3. Product Features
The PeakTech P 4980 offers advanced features for accurate and convenient temperature measurement:
- Dual Laser Pointers: Provides precise targeting, indicating the exact measurement spot.
- Wide Temperature Range: Measures temperatures from -50 °C to +800 °C (-58 °F to +1472 °F).
- Non-Contact Measurement: Safely measure hot, hazardous, or hard-to-reach surfaces.
- LCD Display: Clear digital display for easy reading of temperature values.
- Adjustable Emissivity: Allows for accurate measurements on various surface types (refer to operating instructions for details).
- Data Hold Function: Freezes the displayed reading for easy recording.
- Backlight: Improves visibility in dimly lit conditions.
- Automatic Power Off: Conserves battery life.
4. Setup
4.1 Battery Installation
- Locate the battery compartment cover on the handle of the device.
- Open the cover by sliding or unlatching it.
- Insert the included battery, ensuring correct polarity (+ and - terminals).
- Close the battery compartment cover securely.
4.2 Powering On/Off
- To power on the device, press the trigger. The display will illuminate.
- The device will automatically power off after a period of inactivity to conserve battery life.
5. Operating Instructions
5.1 Taking a Measurement
- Point the thermometer at the target surface.
- Press and hold the trigger. The dual laser pointers will activate, indicating the measurement area.
- The measured temperature will be displayed on the LCD.
- Release the trigger to hold the reading on the display (Data Hold function).
5.2 Distance-to-Spot Ratio
The accuracy of the measurement depends on the distance-to-spot ratio. Ensure the target area is larger than the measurement spot size at your chosen distance. The dual lasers help define this spot.
5.3 Emissivity Adjustment
Different materials emit infrared energy differently. For accurate readings, adjust the emissivity setting to match the surface being measured. Consult a standard emissivity table for common materials. The P 4980 allows adjustment via dedicated buttons (refer to device interface for specific controls).
5.4 Unit Selection (°C/°F)
To switch between Celsius (°C) and Fahrenheit (°F), locate the unit selection button (usually labeled '°C/°F' or similar) and press it. The display will change accordingly.
6. Maintenance
6.1 Cleaning the Device
- Wipe the device casing with a soft, damp cloth. Do not use abrasive materials or solvents.
- For the lens, use a soft cloth or cotton swab with a small amount of isopropyl alcohol.
6.2 Battery Replacement
When the low battery indicator appears on the display, replace the battery as described in Section 4.1. Always use the specified battery type.
6.3 Storage
Store the thermometer in a cool, dry place, away from direct sunlight and extreme temperatures. Remove batteries if storing for extended periods.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Dead or incorrectly installed battery. | Check battery polarity or replace with new batteries. |
| Inaccurate readings. | Incorrect emissivity setting; distance too far; lens dirty. | Adjust emissivity; move closer to target; clean lens. |
| Laser pointers not visible. | Laser function disabled (if applicable); bright ambient light. | Check laser activation button; use in less bright conditions. |
| Display shows 'ERR' or similar. | Measurement outside range; internal error. | Ensure target temperature is within -50 to +800 °C. If error persists, contact support. |
8. Specifications
| Feature | Specification |
|---|---|
| Model | P 4980 |
| Temperature Range | -50 °C to +800 °C (-58 °F to +1472 °F) |
| Resolution | 0.1 °C / 0.1 °F |
| Display Type | LCD |
| Special Feature | Non-contact, Dual Laser Pointer |
| Power Source | Battery-powered |
| Included Components | Battery |
| Outer Material | Plastic |
| Color | White/Blue |
9. Warranty and Support
9.1 Warranty Information
This PeakTech product is backed by a 3-year manufacturer's warranty, ensuring quality and reliability. Please retain your proof of purchase for warranty claims.
9.2 Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact PeakTech customer support. Refer to the official PeakTech website or product packaging for the most current contact information.