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Hanmatek LM50 Laser Distance Meter: Complete Guide to Usage & Unit Switching
The Hanmatek LM50 is a professional-grade laser distance meter that combines precision, durability, and ease of use in a compact design. With a range of 165 ft (50 m) and accuracy of ±1/16 inch, it’s the perfect tool for contractors, DIY enthusiasts, real estate agents, and interior designers.
Key Features at a Glance
- 165 ft (50 m) measuring range
- ±1/16 inch high accuracy
- 2-inch backlit LCD display
- Dual bubble levels for alignment
- 6 switchable units (m, ft, in, ft+in, etc.)
- 99 data memory storage
- IP54 dust & water resistant
- Auto shut-off & low battery indicator
How to Switch Units (e.g., Inches to Feet)
One of the most common questions: “How do I change from inches to feet?” It’s simple!
Step 1: Turn on the LM50 by pressing the red MEAS button.
Step 2: Press and hold the UNIT button (marked with “U”) for 2 seconds.
Step 3: The display will cycle through units:
Step 4: Release when your desired unit (e.g., ft) appears.
Step 2: Press and hold the UNIT button (marked with “U”) for 2 seconds.
Step 3: The display will cycle through units:
m → ft → in → ft+in etc.Step 4: Release when your desired unit (e.g., ft) appears.
Pro Tip: The unit setting is saved even after power-off. No need to reset every time!
How to Use the LM50 – Step-by-Step
1. Power On & Prepare
Press the red MEAS button to power on.
Ensure the device is perpendicular to the target surface (use the dual bubble levels for accuracy).
Ensure the device is perpendicular to the target surface (use the dual bubble levels for accuracy).
2. Take a Single Measurement
Aim the laser dot at your target.
Press MEAS once → Laser emits → Result appears instantly.
Press MEAS once → Laser emits → Result appears instantly.
3. Area & Volume Calculation
Press FUNC → Select Area or Volume.
Measure length → Press MEAS → Measure width (and height for volume).
Result auto-calculates.
Measure length → Press MEAS → Measure width (and height for volume).
Result auto-calculates.
4. Continuous Measurement (Max/Min)
Long-press MEAS for 2 seconds → Enters continuous mode.
Move the device → Display shows real-time distance, MAX, and MIN values.
Move the device → Display shows real-time distance, MAX, and MIN values.
5. Pythagorean Mode (Indirect Measurement)
Press FUNC → Select Pythagoras (3-point).
Measure hypotenuse and one leg → LM50 calculates the missing side.
Measure hypotenuse and one leg → LM50 calculates the missing side.
Advanced Tips
| Function | How to Access |
|---|---|
| Mute Mode | Long-press CLEAR/OFF → Beeps off |
| Data Review | Press STORAGE → Scroll with ▲/▼ |
| Manual Delete | In storage mode, long-press CLEAR |
| Add/Subtract | After measurement, press + or − |
What’s in the Box?
- Hanmatek LM50 Laser Distance Meter
- 2× AAA Batteries (pre-installed)
- Protective Carrying Pouch
- Wrist Strap
- Multi-language User Manual
- Gift Box Packaging
Warranty: 2 Years | Support: Lifetime Technical Help
Why Choose Hanmatek LM50?
| Feature | LM50 | Typical Competitor |
|---|---|---|
| Price | $25.77 | $40–$60 |
| Backlit Display | ✅ 2-inch | Smaller or none |
| Bubble Levels | ✅ Dual | ❌ |
| Data Storage | ✅ 99 sets | Limited or none |
| IP54 Rating | ✅ | Not always |
Resources
- User Manual: Download PDF
- Video Tutorial: Watch on Hanmatek.com
- Support: Email support@hanmatek.com (24-hr response)
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