UT568A - Measurement Uni-T - Free user manual and instructions
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| Product Type | Digital Sound Level Meter |
| Brand | Uni-T |
| Model | UT568A |
| Measurement Range | 30 dB to 130 dB |
| Accuracy | ±1.5 dB |
| Frequency Weighting | A and C |
| Resolution | 0.1 dB |
| Sampling Rate | 2 times per second |
| Display | LCD with backlight |
| Functions | MAX/MIN hold, Data hold, Auto power off, Low battery indication |
| Power Supply | 9V battery (6F22 or equivalent) |
| Battery Life | Approximately 30 hours |
| Dimensions | 265 x 72 x 35 mm |
| Weight | 300 g (including battery) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -10°C to 50°C (14°F to 122°F) |
| Humidity Range | 10% to 90% RH (non-condensing) |
| Accessories Included | Battery, User manual, Windscreen, Carrying case |
| Maintenance | Clean with a soft dry cloth; store in a dry, dust-free environment |
| Safety | Do not expose to extreme temperatures or moisture; remove battery if not used for long periods |
| Spare Parts | Battery (9V), Windscreen (optional) |
| Reparability | Refer to qualified technician; no user-serviceable parts inside |
| General Information | IEC 61672-1 Class 2 compliant |
Frequently Asked Questions - UT568A Uni-T
How do I change the battery in the UT568A?
Open the battery compartment on the back, remove the old 9V battery, and install a new one, observing polarity.
What is the measurement range of the UT568A?
The UT568A measures sound levels from 30 dB to 130 dB.
How accurate is the UT568A?
The accuracy is typically ±1.5 dB at reference conditions.
Can I use the UT568A to measure noise at low frequencies?
Yes, select the C-weighting mode for low-frequency noise measurement.
How do I enable the backlight on the UT568A?
Press the backlight button (usually marked with a lamp icon) to toggle the display backlight.
What does the MAX/MIN function do?
The MAX/MIN function stores and displays the maximum and minimum sound levels measured during a session.
How do I calibrate the UT568A?
The UT568A is factory-calibrated. For field calibration, a separate sound calibrator (e.g., UT568A calibrator) is required; follow the calibrator's instructions.
Why does the meter turn off automatically?
The auto power-off feature saves battery. It turns off after about 15 minutes of inactivity. Press any button to wake it.
What does the A-weighting and C-weighting mean?
A-weighting mimics human hearing (used for environmental noise). C-weighting is flatter and used for low-frequency sounds. Select via the weighting switch.
Is the UT568A waterproof?
No, it is not waterproof. Avoid exposure to water and high humidity.
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USER MANUAL UT568A Uni-T
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Product information
Brand : Uni-T
Model : UT568A
Category : Measurement