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The LM520 is a touch-type red laser level. Compared with the ordinary red laser level, while maintaining the high stability of the red light itself, the brightness of the laser line is increased by 8 times, the brightness is almost green, and the sunlight is still clearly visible. At the same time, it also has automatic leveling function, making it a professional laser level with superior performance and stability.
| Model | LM520 | LM530 | LM550 |
| Laser type | Red | ||
| Laser wavelength | 635nm (650nm) | ||
| Laser power | < 1 mW | ||
| Laser level | CLASS II | ||
| Laser line | 2 | 3 | 5 |
| On the point | Yes | ||
| Laser enhancement point | Yes | ||
| Laser line width | 3.5mm/10m | ||
| Level precision | ±1mm/7m | ||
| Vertical accuracy | ±1mm/7m | ||
| Orthogonal precision | 90°±60″ | ||
| Lower point accuracy | ±0.5mm/1.5m | ||
| Accuracy of zenith | / | ±2mm/3m | |
| Angle | Vertical line≥110°,Horizontal line≥130° | ||
| Working distance | The indoor working radius is about 10m; Laser detector, working radius 50m | ||
| Temperature range | -10°C-45°C | ||
| Automatic anping function | Yes | ||
| Anping range | ±2.5° | ||
| Anping alarm | Buzzer goes off, laser line goes off | ||
| Outdoor reception mode | Yes | ||
| Battery type | 3.7v polymer lithium battery | ||
| Battery capacity | 1050mAh | 1800mAh | |
| Working time | About 6 hours (laser tube is fully lit) | ||









We provide 30 days warranty counting from the arrival date of the item.
If the parts you purchased from us are not of perfected quality or they don't work, please simply return them to us for replacement or refund.
If the part is defective, please notify us within 3 days after arrival.
Any parts must be returned in their original condition to qualify for a refund or replacement.

Q: Are you trading company or manufacturer ?
A: We are UNI-T Original factory.
Q: How long is your delivery time?
A: Generally it is 3-5 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
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