LM575R - Laser pointer Uni-T - Free user manual and instructions
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| Product Type | Laser pointer |
| Brand | Uni-T |
| Model | LM575R |
| Laser Class | Class 2 |
| Laser Wavelength | 650 nm (red) |
| Output Power | Less than 5 mW |
| Operating Range | Up to 200 meters |
| Power Source | 2 x LR44 button cells |
| Battery Life | Approximately 20 hours of continuous use |
| Body Material | Aluminum alloy |
| Color | Black / Silver |
| Dimensions | 85 x 15 x 15 mm |
| Weight | 30 g |
| Switch Type | Press-button |
| Functions | On/off switch, momentary operation |
| Safety | Avoid direct eye exposure |
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -20°C to 60°C |
| Certifications | CE, RoHS |
| Included Accessories | Batteries included |
| Installation | Not required |
| Repairability | Not user-serviceable; only battery replacement |
| Maintenance | Wipe with a soft, dry cloth |
| Country of Origin | China |
Frequently Asked Questions - LM575R Uni-T
How do I replace the batteries in the Uni-T LM575R?
To replace the batteries, unscrew the tail cap of the laser pointer and remove the old LR44 button cells. Insert two new LR44 batteries with the positive (+) side facing up, then screw the tail cap back on tightly.
Is the laser safe for eyes?
The LM575R is a Class 2 laser with an output power of less than 5 mW. It is generally safe for accidental exposure, but you should never stare directly into the beam or point it at people's eyes, as it can cause temporary flash blindness.
What is the laser wavelength of the LM575R?
The LM575R emits a red laser beam with a wavelength of 650 nm. This wavelength is highly visible in low-light conditions and is commonly used for presentations and pointing.
Can I use this laser pointer for presentations?
Yes, the LM575R is designed as a presentation laser pointer. Its lightweight aluminum body and momentary press-button make it easy to highlight key points during slideshows or lectures. The operating range of up to 200 meters ensures visibility on large screens.
What is the maximum range of the laser beam?
The LM575R has an operating range of up to 200 meters at night or in dim conditions. In daylight, the visible range is shorter, typically around 50 meters, depending on the brightness of the environment.
Does the laser pointer come with batteries included?
Yes, the LM575R includes two LR44 button cells in the package. They are pre-installed in the device, so you can use it immediately after unpacking. Replacement batteries can be purchased at most electronics stores.
How should I clean and maintain the laser pointer?
To clean the LM575R, use a soft, dry cloth to wipe the exterior. Avoid using liquids or solvents, as they can damage the finish or internal components. Do not disassemble the device except for battery replacement.
Is the LM575R water-resistant?
The LM575R is not water-resistant. It should be kept away from moisture and liquids. Exposure to water may cause electrical short circuits and permanent damage to the laser module.
What safety precautions should I take when using this laser?
Always follow these safety precautions: do not point the laser at people or animals, avoid looking directly into the beam, and never use it to view reflective surfaces. Keep the device away from children and store it in a safe place when not in use.
Can I use the laser pointer outdoors during the day?
The LM575R can be used outdoors, but the red beam may be difficult to see in bright sunlight. For best visibility, use it in shaded areas, during twilight, or at night. Indoors, the beam is clearly visible on most surfaces.
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USER MANUAL LM575R Uni-T
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Product information
Brand : Uni-T
Model : LM575R
Category : Laser pointer