1. Introduction
Thank you for choosing the Tolsen TL35074 Laser Distance Meter. This device is designed for precise and efficient distance measurement, offering various functions including single measurement, continuous measurement, area, volume, Pythagorean calculation, and angle measurement. Please read this manual carefully before using the device to ensure safe and optimal operation.
2. Safety Information
This device emits a Class 2 laser. Adherence to safety guidelines is crucial to prevent injury.
- Do not stare directly into the laser beam. Direct eye exposure can cause permanent eye damage.
- Avoid pointing the laser beam at people or animals.
- Do not disassemble or modify the device. Unauthorized modifications can lead to hazardous laser radiation exposure.
- Keep the device out of reach of children.
- Use the device only for its intended purpose as described in this manual.
- Do not operate the device in explosive environments or near flammable materials.
3. Product Overview
The Tolsen TL35074 is a compact and durable laser distance meter. It features an easy-to-read display and intuitive controls. The device is rated IP40 for resistance against dust and splashes, making it suitable for various indoor and light outdoor applications.
Figure 1: Front view of the Tolsen TL35074 Laser Distance Meter, showing the display, control buttons, and laser aperture.
3.1 Components
- Laser Emitter/Receiver: Located at the top of the device, responsible for sending and receiving laser signals.
- LCD Display: Shows measurement results, mode indicators, battery status, and other relevant information.
- Control Buttons: For power on/off, measurement activation, mode selection, and unit conversion.
- Battery Compartment: Located at the rear, for AAA batteries.
4. Setup
4.1 Battery Installation
- Locate the battery compartment cover on the back of the device.
- Slide the cover open.
- Insert two (2) AAA alkaline batteries, ensuring correct polarity (+/-). The device includes batteries.
- Close the battery compartment cover securely.
5. Operating Instructions
5.1 Power On/Off
- To Power On: Press the [MEAS] button. The laser will activate.
- To Power Off: Press and hold the [OFF] button for a few seconds. The device will also automatically power off after a period of inactivity to save battery.
5.2 Measurement Modes
Press the [FUNC] button to cycle through the different measurement modes.
5.2.1 Single Measurement
- Point the device at the target.
- Press the [MEAS] button once to activate the laser.
- Press the [MEAS] button again to take a single measurement. The result will appear on the display.
5.2.2 Continuous Measurement (Tracking)
- Select continuous measurement mode using the [FUNC] button.
- Press the [MEAS] button. The device will continuously measure and display the distance as you move it.
- Press [MEAS] again to stop continuous measurement.
5.2.3 Area Measurement
- Select area measurement mode.
- Measure the first side (e.g., length) by pressing [MEAS].
- Measure the second side (e.g., width) by pressing [MEAS] again.
- The device will automatically calculate and display the area.
5.2.4 Volume Measurement
- Select volume measurement mode.
- Measure the length, width, and height sequentially by pressing [MEAS] after each measurement.
- The device will calculate and display the volume.
5.2.5 Pythagorean Calculation (Indirect Measurement)
This mode allows indirect measurement of heights or distances using the Pythagorean theorem.
- Select Pythagorean mode (e.g., for two-point or three-point measurement).
- Follow the on-screen prompts to measure the required sides (e.g., hypotenuse and one leg for height).
- The device will calculate and display the unknown side.
5.2.6 Angle Measurement
This mode allows for the measurement of angles, often in conjunction with indirect height measurements.
- Select angle measurement mode.
- Follow the on-screen instructions to position the device and take the necessary measurements.
- The angle will be displayed.
6. Maintenance
- Cleaning: Use a soft, damp cloth to clean the device. Do not use abrasive cleaners or solvents. Pay special attention to keeping the laser lens clean.
- Storage: Store the device in a dry, cool place, away from direct sunlight and extreme temperatures. If storing for extended periods, remove the batteries to prevent leakage.
- Battery Replacement: Replace batteries when the low battery indicator appears on the display.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | Low or dead batteries; incorrect battery polarity | Replace batteries; check battery orientation |
| Inaccurate measurements | Dirty laser lens; unstable measurement surface; extreme environmental conditions | Clean lens; ensure stable measurement; avoid extreme conditions |
| Laser not visible | Bright ambient light; laser not activated | Measure in dimmer conditions; press [MEAS] to activate laser |
| Error message on display | Measurement out of range; internal error | Ensure target is within 0.2m-60m range; restart device. If error persists, contact support. |
8. Specifications
- Brand: Tolsen
- Model: TL35074
- Measurement Range: 0.2m - 60m
- Measurement Accuracy: ±2.0mm
- IP Rating: IP40 (Dust and splash resistant)
- Functions: Single measurement, Continuous measurement, Area, Volume, Pythagorean calculation, Angle measurement
- Battery Type: 2 x AAA Alkaline batteries (Included)
- Approximate Product Dimensions: 18 x 12 x 6 cm (Shipping dimensions, actual product may be smaller)
- Approximate Product Weight: 250g (Shipping weight, actual product may be lighter)
- Origin: China
9. Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your purchase or contact your retailer. Keep your proof of purchase for any warranty claims.