19-511-101 - Tachometer UMA - Free user manual and instructions
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| Product Type | Tachometer |
| Brand | UMA |
| Model | 19-511-101 |
| Measurement Type | Non-contact (optical laser) |
| Measuring Range | 2.5 to 99,999 RPM |
| Accuracy | ±(0.05% + 1 digit) |
| Resolution | 0.1 RPM (low), 1 RPM (high) |
| Display | LCD, 5-digit |
| Sampling Time | 1 second |
| Power Source | 2 x AAA batteries |
| Battery Life | Approx. 40 hours |
| Dimensions | 150 x 60 x 30 mm |
| Weight | 120 g (with batteries) |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -20°C to 60°C |
| Features | Data hold, Max/Min, Auto power off |
| Accessories | Reflective tape, carrying case |
| Safety | Laser class II, <1mW |
| Maintenance | Clean with dry cloth; avoid solvents |
| Repairability | Not user-serviceable; contact support |
Frequently Asked Questions - 19-511-101 UMA
How do I measure RPM with this tachometer?
Apply a piece of reflective tape to the rotating object. Point the laser at the tape and press the measurement button. The RPM will appear on the display.
What is the maximum RPM this device can measure?
The maximum measurable RPM is 99,999 RPM in high range mode.
How do I change the batteries?
Open the battery compartment cover on the back. Insert two AAA batteries with correct polarity. Close the cover securely.
Why is there no reading when I press the button?
Check that the reflective tape is properly attached, the laser is aimed correctly, and the batteries are fresh. Also ensure the object is within the specified measuring distance (typically 50-500 mm).
Can this tachometer measure distance or length?
No, this device is designed exclusively for measuring rotational speed (RPM). It cannot measure distance.
Is the laser safe for eyes?
The laser is Class II with less than 1 mW output. Avoid direct eye exposure or pointing at reflective surfaces that could cause eye harm.
How should I clean the lens?
Use a soft, lint-free cloth to gently wipe the lens. Do not use any liquids or abrasive cleaners.
What is the auto power off feature?
The tachometer automatically turns off after 30 seconds of inactivity to preserve battery life. Press any button to wake it.
Can I use this tachometer in bright sunlight?
Bright sunlight may interfere with the laser detection. Use the included reflective tape and try to shield the measurement area from direct light if possible.
Where can I find the user manual?
The manual is included in the package. You can also download a PDF copy from the UMA support website or the product page on notice-facile.com.
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USER MANUAL 19-511-101 UMA
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Product information
Brand : UMA
Model : 19-511-101
Category : Tachometer