UT208B - Measuring equipment Uni-T - Free user manual and instructions
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| Product Type | Digital Multimeter |
| Brand | Uni-T |
| Model | UT208B |
| Measurement Functions | AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Diode Test, Continuity Test |
| Display | Large LCD with Backlight |
| Auto Range | Yes |
| Data Hold | Yes |
| Relative Mode | Yes |
| Max/Min Record | Yes |
| Safety Rating | CAT II 600V / CAT III 300V |
| Power Supply | 9V Battery (6F22 type) |
| Battery Life | Approximately 200 hours (alkaline) |
| Auto Power Off | Yes (configurable) |
| Dimensions | 190 x 88 x 31 mm |
| Weight | Approximately 400 g (including battery) |
| Accessories Included | Test leads, 9V battery, user manual |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -10°C to 50°C |
| Humidity | ≤75% RH |
| Overload Protection | Yes |
| Low Battery Indication | Yes |
| Input Impedance | 10 MΩ (DC voltage) |
| Maximum Voltage | 600V DC/AC RMS |
| Maximum Current | 10A (unfused), 200mA (fused) |
| Warranty | 1 year |
Frequently Asked Questions - UT208B Uni-T
How do I measure DC voltage with the UT208B?
Turn the rotary dial to the DC voltage position (V with straight line). Connect the test leads: black to COM and red to V/Ω. Touch the probes to the circuit. Read the value on the LCD. Auto range selects the appropriate range automatically.
What is the maximum current the UT208B can measure?
The UT208B can measure up to 10A (unfused) for 30 seconds with a 15-minute rest period. For lower currents up to 200mA, use the fused mA input. Always start with the highest range if uncertain.
How do I replace the battery in the UT208B?
Turn off the meter and disconnect test leads. Remove the battery compartment screw and slide off the cover. Replace the 9V battery (6F22) observing polarity. Replace cover and screw.
What does the continuity beep indicate?
When the dial is set to continuity (diode symbol), the meter emits a continuous beep if the resistance between the probes is less than about 50 Ω. This indicates a complete circuit.
How do I use the data hold function?
Press the HOLD button to freeze the current reading on the display. Press again to release. This is useful when you need to record a reading that is not easily visible.
What safety precautions should I take when using the UT208B?
Always follow safety rules: use the meter within its CAT rating (CAT II 600V/CAT III 300V). Inspect test leads for damage. Do not measure voltages above 600V. Never use the meter if the battery compartment is open.
How do I measure capacitance with the UT208B?
Set the dial to capacitance (symbol -|(-). Discharge the capacitor completely. Insert the capacitor leads into the CX socket (or use test leads with adapter). The display shows the capacitance value. Note: measurement may take several seconds for large capacitors.
What does the relative mode do?
Press the REL button to zero the display and show the difference from the stored value. This is useful for offset removal, such as measuring resistance after subtracting lead resistance.
Can I measure frequency with the UT208B?
Yes, set the dial to Hz position. Connect the test leads to the signal source. The meter displays the frequency in Hz. Note: input voltage must be between 1V and 30V RMS for best accuracy.
How do I clean and maintain the UT208B?
Wipe the casing with a damp cloth and mild detergent. Do not use solvents. Clean the terminal contacts occasionally with a dry cloth. Keep the meter dry and store it in a temperature-controlled environment. Remove battery if not used for long periods.
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USER MANUAL UT208B Uni-T
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Product information
Brand : Uni-T
Model : UT208B
Category : Measuring equipment