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General| Type | Laser Distance Meter |
|---|---|
| Accuracy | ± 2 mm |
| Laser Class | Class 2 |
| Power Supply | 2 x AAA batteries |
| Display | LCD |
| Dimensions | 120 x 50 x 25 mm |
| Weight | 100g (including batteries) |
| Single Measurement | Yes |
| Continuous Measurement | Yes |
| Area Measurement | Yes |
| Volume Measurement | Yes |
| Indirect Measurement (Pythagorean) | Yes |
| Addition and Subtraction | Yes |
| Max/Min Value | Yes |
| Beeper | Yes |
| Measuring Range | 0.05m to 40m |
| Resolution | 1 mm |
| Auto Laser Off | Yes |
| Auto Power Off | Yes |
| Operating Temperature | 0°C~40°C |
| Storage Temperature | -10°C to 50°C |
| Measurement Range | 0.05m to 40m |
| Response Time | 0.5s |
| Laser Type | 635nm, <1mW |
| Battery Life (Single Measurement) | Up to 5000 measurements |
| Battery Life | Up to 5000 measurements |
Check contents for damage or loss. Contact sales agency if issues arise.
Details laser safety, classification (Class II), and eye exposure warnings.
Identifies and explains the function of each button on the keypad.
Describes the symbols and indicators shown on the LCD screen.
How to switch the instrument on/off and use the clear button.
Setting measurement reference and controlling display brightness.
How to change the unit of measurement (m, ft, in, ').
Instructions for performing a single distance measurement.
How to perform continuous measurements and capture max/min values.
Procedures for measuring area and volume.
Method for measuring heights using two or three measurements.
How to access and scroll through historical measurement data.
Lists detailed technical specifications and parameters of the UT390B meter.
Step-by-step guide for installing and replacing batteries safely.
Guidance on cleaning, storing, and general upkeep of the instrument.
Lists common error codes and their corresponding solutions and remedies.
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